The &92; operator performs a least-squares regression. Then the script plots the line using the entered information. p polyfit (x,y,n), where x and y are vectors containing the x and y coordinates of the data points. To add text to one point, specify x and y as scalars. As of release R2015b you can set the axes XAxisLocation and YAxisLocation properties to 'origin' to get the axes lines to cross at the origin. You can use polyfit to find the coefficients of a polynomial that fits a set of data in a least-squares sense using the syntax. For example, this code draws a horizontal line at y 5 between the points x -6 and x -2. Line Plots. x linspace (0,10); y sin (x); line (&39;XData&39; ,x, &39;YData&39; ,y). MATLAB Graphics Formatting and Annotation Labels and Annotations Legend. Specify Line Style, Color, and Marker. To add text to one point, specify x and y as scalars. When A is consistent, the least squares solution is also a solution of the linear system. I want to draw multiple constant lines in a figure. Control the active side using yyaxis. Plot Line Using Low-Level Syntax. plot (X,Y) creates a 2-D line plot of the data in Y versus the corresponding values in X. Plot the gradient and contours of the function z x e - x 2 - y 2. The need is to make xlines and ylines -- which may obscure the data and blank space -- have lower contrast with the plot background color while having the label of the line have high contrast so the viewer can easily read it. Then, add points to the line within a loop to create an animation. x 00. Live Demo. To add text to one point, specify x and y as scalars. figure ('units','normalized','outerposition', 0 0 1 1); hold on. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. Then pad the y -axis with extra space above and below the maximum and minimum plotted values. Srry for the offtop, but any ideas why it was not put in the help Looks like an easter egg, lol. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. If three or more periods occur before the end of a line, then MATLAB ignores the rest of the line and continues to the next line. Hi all, I have a signal (attached) over which I would like to plot mutiple vertical lines using x values (see image below) x 1648;2871;4022;6216;7327;8416 My approach below can you help. The display shows commonly used properties, such as Color, LineStyle, and LineWidth. First, create a grid of x- and y- values that are equally spaced. Create a plot with a purple line that has circular markers. To put them on the bottom see this answer. For example, lets plot a horizontal line on a specific vertical position on a graph. line (xlim, 0,0, 'Color', 'k', 'LineWidth', 2); Draw line for X axis. y 5; line (-6,-2, y,y) Starting in R2018b, you can use the xline and yline functions to draw vertical and horizontal lines, respectively. Find the maximum and minimum values of y. I want to insert a vertical line from my found angular frequency (found to be 0. Is there a way to show the x,y coordinates of the intersection point of yline and the f1 x-15050, 05100 hold on z50. x 00. For example, this code draws a horizontal line at y 5 between the points x -6 and x -2. Chart line appearance and behavior. Is there a way to show the x,y coordinates of the intersection point of yline and the f1 x-15050, 05100 hold on z50. lsim(sys,u,t) plots the simulated time response of the dynamic system model sys to the input history (t,u). Line Plots. plot3 (X,Y,Z,LineSpec) creates the plot using. 160; y 4. Then call the low-level version of the line function by specifying the data as name-value pair arguments. ylabel (,Name,Value) modifies the label appearance using one or more name-value pair arguments. The first and last points are enough, as in. By design, ConstantLine objects are treated as decorative objects rather than data, and so they are not meant to be obscured by data. cos (x). See the code below. To plot multiple sets of coordinates on the same set of axes, specify at least one of X or Y as a matrix. x linspace (0,10); y sin (x); line (&39;XData&39; ,x, &39;YData&39; ,y). Then pad the y -axis with extra space above and below the maximum and minimum plotted values. A 1 2 0; 2 5 -1; 4 10 -1. y sum (x) Use the sum function. x linspace (0,10,150); y cos (5x); Create a 2-D line plot of the cosine curve. For instance, lets assume that you want to display a horizontal line. xline (x,LineSpec) especifica el estilo de lnea, el color de lnea o ambos. limit the first y-line on my graph to end at the divide at x 10200. Ran in There is no built-in facility to take the intersection between yline or xline, with anything. 2 Write a MATLAB script that plots a straight line y mx c. Line properties control the appearance and behavior of a Line object. 25,&39;-&39;,&39;Freibord 75 ausgenutzt&39;,&39;HandleVisibility&39;,&39;off&39;,. x 00. I'm new to Matlab, I wanna draw a simple line x4, or y9. You need to line() or plot() the line into place, and text() the label into place. Then call the low-level version of the line function by specifying the data as name-value pair arguments. text (0,yRmin, 'yR min', 'Horiz','right', 'Vert','middle') Horizontal Line Axis Label. When A is consistent, the least squares solution is also a solution of the linear system. To create a horizontal line, we can use the Matlab built-in function yline (), which plots a horizontal line with a constant vertical value. When you call the function this way, the resulting line is black. xline (x) creates a vertical line at one or more x -coordinates in the current axes. Plot Multiple Lines Define x as 100 linearly spaced values between -2 and 2. Plotting straight line on graph. h vline (42,&39;g&39;,&39;The Answer&39;) will return a handle to a vertical line at x42 on the current axes, colored green, and with a text label "The Answer" on the axes close to the line, and in the same color of the line. fill (X1,Y1,C1,. You can use yyaxis with any 2-D plotting function. Define x, by specifying the range of values for the variable x, for which the function is to be plotted. Or, you can create an unsymmetric magic square matrix, which has equal row and column sums B magic (3). y 5; line (-6,-2, y,y) Starting in R2018b, you can use the xline and yline functions to draw vertical and horizontal lines, respectively. &39;innerposition&39; The InnerPosition property remains constant when you add, remove, or change decorations such as a title or an axis label. In MATLAB, you can find B using the mldivide operator as B XY. Assuming that they are actually two lines with linearly-increasing x-coordinates, you have some options. You also can customize the appearance of the plot by changing properties of the Line object used to create the plot. Ann-Cathrin Krause, I'm interested in seeing the section of code of plotting code where you're assigning xline and a screenshot of your plot showing the xline in the legend. Call the tiledlayout function to create a 2-by-1 tiled chart layout. Find the linear regression relation y 1 x between the accidents in a state and the population of a state using the operator. l1 (1&215;1, 1&215;2, 1&215;3, or 1&215;4 double) vector defining line 1 x1 vertical line form, m1,b1 slope-intercept form, x1,y1,m1 point-slope form, x1,y1,x2,y2 two point form, l2 (1&215;1, 1&215;2, 1&215;3, or 1&215;4 double) vector defining line 2 x2 vertical line. Then call the low-level version of the line function by specifying the data as name-value pair arguments. ColorOrder mycolors; MATLAB also cycles through different line styles in addition to colors. Matlab is going to plot whatever you pass it. However, LINE objects do not respect ALPHA values even though I am using the OPENGL renderer. x 00. By default, the units are normalized to the figure. p plot (110); c p. For example. In MATLAB R2021a or later xline and yline accept a vector of values to plot multiple lines. p (1) is the slope and p (2) is the intercept of the linear predictor. Then on the figure window, click on the insert command from the. Use sym to create an array of many numbered symbolic variables. xline (x,LineSpec,labels) adds labels to the lines. By default, it changes to the next line style only after cycling through all the colors in the ColorOrder property with the current line style. To comment out multiple lines of code, use the block comment operators, and . fill (X1,Y1,C1,. x linspace (0,10,150); y cos (5x); Create a 2-D line plot of the cosine curve. pp spline (x,y) returns a piecewise polynomial structure for use by ppval and the spline utility unmkpp. Specify ticks as a vector of increasing values; for example, 0 2 4 6. I coded below using xline () and yline () refering Vertical line with constant x-value - MATLAB xline (mathworks. cos (x). Learn more about yline, yline color. Then, find the gradient of z by specifying the spacing between points. 5; yticks (yt); ylabels yticklabels; ylabels ylabels, "2. For example, plot y x 2 sin (x) and draw a vertical line at x 2. (It seems to not to be a property of the y-line function already). VBBV on 26 Mar 2022. if you want your plot only to exist between -2 and 2, then you should pass the data accordingly. You need to line() or plot() the line into place, and text() the label into place. xline (x,LineSpec) specifies the line style, the line color, or both. The 1st option is recommended if you&39;re using matlab r2018b or later. Anonymous functions require that you explicitly specify the input arguments as you would for a standard function, separating multiple inputs with commas. in the equation of ellipse X2a2 Y2b2 1. x 00. First, plot a line. Sep 29, 2019 Accepted Answer. Then call the low-level version of the line function by specifying the data as name-value pair arguments. example xline (x,LineSpec). text (x,y,txt) adds a text description to one or more data points in the current axes using the text specified by txt. For example, lets plot a horizontal line on a specific vertical position on a graph. Jan 5, 2021 How to produce line plot yline for matlab R2018a. dat load count. figure (&39;units&39;,&39;normalized&39;,&39;outerposition&39;, 0 0 1 1); hold on. How do I do this in Matlab Stack Overflow. Note that you cannot specify matrix coordinate data with the low-level form of the line function. if max (dtm) < 0. lsqr finds a least squares solution for x that minimizes norm (b-Ax). line (x,y) or plot (x,y) with a hold on. Then call the low-level version of the line function by specifying the data as name-value pair arguments. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. When you call the function this way, the resulting line is black. When the attempt is successful, lsqr displays a message to confirm. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. The easiest recommendation is the line function line (X,Y) adds the line defined in vectors X and Y to the current axes. ones(N))) construct the X matrix theta np. y 5; line (-6,-2, y,y) Starting in R2018b, you can use the xline and yline functions to draw vertical and horizontal lines, respectively. 5; yticks (yt); ylabels yticklabels; ylabels ylabels, "2. The function linkaxes is here without purpose. MATLAB Graphics Formatting and Annotation Labels and Annotations Legend. Should we switch to. p polyfit (x,y,7); Evaluate the polynomial on a finer grid and plot the results. Specify the interval as a two-element vector of the form tmin tmax. xl xline (4); xl. You can modify the appearance and behavior of the constant line by changing ConstantLine property values. x 00. The short demo below shows that constant line objects with HandleVisibilityoff prevents the object from appearing in the legend. columnstack((x, np. text (max (x), min (y), num2str (k)) end. Then pad the y -axis with extra space above and below the maximum and minimum plotted values. MATLAB online works on latest MATLAB version. The function accepts both real and complex inputs. Starting in R2021a, you can create multiple horizontal or vertical lines in one pass. Nov 29, 2020 I have been noticing that ConstantLine, which is plotted by xline () or yline () functions, always located on the top of other objects in an axes, no matter whether I plot the ConstantLine before or after other objects (e. So to create a horizontal line, you need to varying x while keeping y constant and vice-versa for vertical lines. Y tan (X) returns the tangent of each element of X. Or, you can create an unsymmetric magic square matrix, which has equal row and column sums B magic (3). Plot the gradient and contours of the function z x e - x 2 - y 2. Call the nexttile function to create an axes object and return the object as ax1. For example, create vertical lines at x1, x2, and x3 Theme. Here&39;s a simple example to draw the four lines of a unit square x 0 1 1 0;. Hot Network Questions Help understanding Petersons Algorithm for N Processes She was sleeping the job (inonat) How to terminate EMT into a panel in a bay extension. Hi, I have tried some diffrent metods, but so far without any luck. figure h animatedline; axis (0 4pi -1 1) for x linspace (0,4pi,10000) y sin (x); addpoints (h,x,y. Display an image of the data in C. To compute coefficient estimates for a model with a constant term (intercept), include a column of ones in the matrix X. If any positional adjustments are needed, MATLAB adjusts the InnerPosition property. Plot Line Using Low-Level Syntax. 0 1 1 0; plot (x,y); This will plot each line in a different color. The xline and yline functions create constant vertical and horizontal lines, respectively. cos (x). Call the tiledlayout function to create a 2-by-1 tiled chart layout. Change Line Object Properties. p polyfit (x,y,n), where x and y are vectors containing the x and y coordinates of the data points. Create an animated line using the animatedline function. These defaults provide a clean and consistent look. , Line, Scatter) Even rearranging it by using uistack () like this did nothing Theme. x 3 2; y 15 12; pl line (x,y);. Following example would demonstrate the concept. p polyfit (x,y,7); Evaluate the polynomial on a finer grid and plot the results. a 7 9 5 6 1 9 4 3 2. Add text to the graph that contains an integral expression using LaTeX markup. If the MATLAB version is later than R2018b, try to clear all the variables in your workspace and try to perform it again. Define a set of x and y vectors and plot them. Plot Line Using Low-Level Syntax. Utilice la notacin de puntos para establecer las propiedades. By default, the SeriesIndex property is a number that corresponds to the order in which the Line object was created, starting at 1. 1 is the maximum limit) Error Invalid expression. exp (-X. Ejemplo yline(13 20 33) muestra l&237;neas en y13, y20 e y33. 0999999999999998 0. yline (12 20 33,&39;--b&39;) . Accepted Answer. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. Graphics functions target the active side of the chart. 318 views (last 30 days) Show older comments. Use hold on to add a second plot to the axes. For example, xline (12 20 33,&39;--b&39;) creates three dashed blue lines. Then pad the y -axis with extra space above and below the maximum and minimum plotted values. Answers (2) KALYAN ACHARJYA on 30 Nov 2019. xline (x) creates a vertical line at one or more x -coordinates in the current axes. Specify limits as a two-element vector of the form ymin ymax, where ymax is greater than ymin. code Theme. Control the active side using yyaxis. The function linkaxes is used to link the x andor y andor z axes of different axes object (i. MATLAB Graphics Formatting and Annotation Labels and Annotations Legend. Dear all, i use the command bar for a plot. x linspace (0,10); y sin (x); line (&39;XData&39; ,x, &39;YData&39; ,y). contour (Z) creates a contour plot containing the isolines of matrix Z, where Z contains height values on the x - y plane. Line properties control the appearance and behavior of a Line object. Use the linspace function to define x as a vector of 150 values between 0 and 10. I think someone should write a book like "MATLAB a bunch of undocumented stuff", because it is not the first time I encounter some problem, which can be solved, but the solution isn't in the help menu). Is there a way to show the x,y coordinates of the intersection point of yline and the f1 x-15050, 05100 hold on z50. yline (2) y2 . Description. putting it a bit higher or a bit lower than what given by 'LabelVerticalAlignment'. Hi all, This code load('zmeans'); load ('zdiffs'); load ('zCRofmean') figure ('color','w'); plot(zmeans,zdiffs,'sr', 'MarkerSize', 9) hold on Plot lines plot. How to change the marker and draw a line between dots in matlab. yline (y,LineSpec) specifies the line. Plot the gradient and contours of the function z x e - x 2 - y 2. x linspace (0,10); y sin (x); line (&39;XData&39; ,x, &39;YData&39; ,y). x 0pi1002pi; y sin (x); plot (x,y) Now I would like to add vertical lines (going from the bottom of the figure to the top) at positions x 1, x 3 and x 5. yline (y,LineSpec,labels) . x linspace (0,10,100); y exp (x10). You can see that the second option creates a much thicker line until the space between the second last and last point which I interpreted as many overlapping lines but I'm not sure that's correct. To compute coefficient estimates for a model with a constant term (intercept), include a column of ones in the matrix X. Also, you can plot expressions or functions over specific intervals. Hi all, I have a signal (attached) over which I would like to plot mutiple vertical lines using x values (see image below) x 1648;2871;4022;6216;7327;8416 My approach below can you help. MATLAB - Plotting. Or maybe the confusion was caused by OP using y-line instead of yline, which can be mistaken for a line parallel to y-axis. l1 (1&215;1, 1&215;2, 1&215;3, or 1&215;4 double) vector defining line 1 x1 vertical line form, m1,b1 slope-intercept form, x1,y1,m1 point-slope form, x1,y1,x2,y2 two point form, l2 (1&215;1, 1&215;2, 1&215;3, or 1&215;4 double) vector defining line 2 x2 vertical line. C 0 2 4 6; 8 10 12 14; 16 18 20 22; image (C) colorbar. These defaults provide a clean and consistent look. You are looking for the places where (PERSF7 - 0. For example, plot two lines and a scatter plot. txt") that contains x and y coordinates of points. 4940, 0. cos (x). An array is, more generally, a vector, matrix, or. The ability to automatically draw lines at X 0 and Y 0 in an axes is not available in MATLAB. For example, yline (2) creates a line at y2. Line properties control the appearance and behavior of a Line object. Then pad the y -axis with extra space above and below the maximum and minimum plotted values. xline (x,LineSpec,labels) adds labels to the lines. lin in the name linspace refers to generating linearly spaced values as opposed to the sibling function logspace, which generates logarithmically spaced. To shift data to the left, you just need to subtract a constant value from all x-coordinates. Also, you can plot expressions or functions over specific intervals. Format the plot such that the both axes will range from -2 to 2. pp spline (x,y) returns a piecewise polynomial structure for use by ppval and the spline utility unmkpp. Plot Multiple Histograms. User Defined Inline Functions MATLAB provides the option to define inline functions in the script using the inline keyword. mycolors 1 0 0; 0 1 0; 0 0 1; ax gca; ax. You can modify the appearance and behavior of the constant line by changing ConstantLine property values. By changing property values, you can modify certain aspects of the stacked plot. x linspace (0,10); y sin (x); line (&39;XData&39; ,x, &39;YData&39; ,y). This vector is an optional output from p,S,mu polyfit(x,y,n) that is used to improve the numerical properties of fitting and evaluating the polynomial p. boundhun, nao medical bronx 174th urgent care
plotyy creates two overlaid Axes objects that can get out of sync. . Y line matlab
All MATLAB &174; ODE solvers can solve systems of equations of the form y f (t, y) , or. You can see that the second option creates a much thicker line until the space between the second last and last point which I interpreted as many overlapping lines but I'm not sure that's correct. cos (x). MATLAB will only fit the data points you give it. With loop control statements, you can repeatedly execute a block of code. Define a set of x and y vectors and plot them. To plot multiple series of bars, specify. Note that you cannot specify matrix coordinate data with the low-level form of the line function. Then create a datetime vector (x) and a duration vector (y) and add the points in those vectors to the animated line. Assuming that they are actually two lines with linearly-increasing x-coordinates, you have some options. Learn more about plot, plotting MATLAB My function is just y2050 and I need to plot it wo using "yline", because it&39;s not a graph, actually. For example, create vertical lines at x1, x2, and x3 Theme. yline (2) y2 . For example, let's create a two-dimensional array a. By design, ConstantLine objects are treated as decorative objects rather than data, and so they are not meant to be obscured by data. The syntax for the same is. Each point is the onset of a stimulus. Set the Color property separately as a name-value argument. The &92; operator performs a least-squares regression. fill (X1,Y1,C1,. For example, xline (2) creates a line at x2. Open Live Script. MATLAB online works on latest MATLAB version. Is there an easy way to do this without the workaround below. What code can do this Theme. Plot three sine curves with a small phase shift between each line. to make the 2nd y-line start from x10200 to the end of the graph. Then call the low-level version of the line function by specifying the data as name-value pair arguments. Maybe there is something wrong in my code, some can point it out to me. El tipo de datos de y debe coincidir con el tipo de datos del eje y. x 00. lsqr finds a least squares solution for x that minimizes norm (b-Ax). To put them on the bottom see this answer. All you then need to do is to supply a (1x2) vector at the value of c1, and it will plot the line. Create the first scatter plot on the top axis using y1, and the second scatter plot on the bottom axis using y2. Then pad the y -axis with extra space above and below the maximum and minimum plotted values. Specify only the line and marker symbols in the linespec argument. 4940, 0. example yline (y,LineSpec) specifies the line style, the line color, or both. xline and yline plot the reference lines in the middle of the z axis. 2f&39;,n); text(x(end),H(end),str);. Starting in R2021a, you can create multiple horizontal or vertical lines in one pass. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. fitobject fit (x,y,z,fitType) creates a surface fit to the data in vectors x , y, and z. 01a); x value is from 0 to 'a' and discrete with 0. x,y ndgrid (010,05); Create two different sets of sample values at the sample points and concatenate them as pages in a 3-D array. xline (x,LineSpec) specifies the line style, the line color, or both. Beginning and ending y-coordinates, specified as a two-element vector of the form ybegin yend. (essentially gridlines, but only at x0 and y0) Is this doable easily. Answers (2) line (0,0, ylim, 'Color', 'k', 'LineWidth', 2); Draw line for Y axis. I need to add lines along the x and y axes, but I don't want to move the entire axis to the origin. syms u v eqns 2u v 0, u - v 1; S solve (eqns, u v) S struct with fields u 13 v -23. line(X,Y) adds the line defined in vectors X and Y to the. Define a set of x and y vectors and plot them. To plot multiple sets of coordinates on the same set of axes, specify at least one of X or Y as a matrix. MATLAB x y x y line plot line . Then, use the least-squares line object h1 to change the line color to red. Matrices in the MATLAB Environment. yline (y,LineSpec,labels) . randn(N) Synthesize training data X np. x 00. Then pad the y -axis with extra space above and below the maximum and minimum plotted values. When you call the function this way, the resulting line is black. (x2); plot (x,y) ylim padded. If ydata is a vector, then boxchart creates a single box chart. Since I assume you just need the slope to obtain the modulus of elasticity, I&39;d probably use polyfit. fill (,Name,Value) modifies the patches using one or more name-value arguments to set properties. MATLAB Online provides access to MATLAB from any standard web browser wherever you have Internet access. Starting in R2021a, you can create multiple horizontal or vertical lines in one pass. xline (x,LineSpec,labels) adds labels to the lines. xline (x,LineSpec,labels) adds labels to the lines. c improfile lets you select line segments interactively from the image in the current axes. Based on your location, we recommend that you select. . Sign in to comment. Concatenate multiple character vectors together using the operator. The easiest way to plot a horizontal line at c1 is simply Theme. The MarkerEdgeColor property controls the outline color, and the MarkerFaceColor controls the fill color. LineWidth 2;. Define a set of x and y vectors and plot them. (x2); plot (x,y) ylim padded. For example, xline (12 20 33,&39;--b&39;) creates three dashed blue lines. Create horizontal lines at those locations with the labels &39;Max&39; and &39;Min&39;. To plot a set of coordinates connected by line segments, specify X and Y as vectors of the same length. If you want the line to have specific end points, you can use the line function. figure plot ((110). The display shows commonly used properties, such as Color, LineStyle, and LineWidth. I think someone should write a book like "MATLAB a bunch of undocumented stuff", because it is not the first time I encounter some problem, which can be solved, but the solution isn't in the help menu). Change the line color to a shade of blue-green using an RGB color value. cos (x). The right y -axis uses the next color in the axes color order. Assign the bar series object and the chart line object to variables. I want to put the text on the top of this line " 200. x 00. When you call the function this way, the resulting line is black. If you zoom into the line you will see that it is plotted at y0. y 5; line (-6,-2, y,y) Starting in R2018b, you can use the xline and yline functions to draw vertical and horizontal lines, respectively. yl1yline (-0. example yline (y,LineSpec) specifies the line style, the line color, or both. Find the treasures in MATLAB Central and discover how the community can help you Start Hunting. VBBV on 26 Mar 2022. First, plot a line. Sign in to answer this question. 01 scale. Advertisement Step 1 Clear all active variables in the workspace by typing clear all in the command windows. For example, xline (2) creates a line at x2. Then set the ColorOrder property to that matrix. The y -axis limits do not update to incorporate the new plot. Specify Axes for Line Plot. 160; y 4. This checks if the plot is positive or negative and places the label accordingly. 5; yticks (yt); ylabels yticklabels; ylabels ylabels, "2. For example, you can create a symmetric matrix with entries based on Pascal's triangle A pascal (3) A 1 1 1 1 2 3 1 3 6. Use only cyan star markers for the third sine. xline (x,LineSpec,labels) adds labels to the lines. You can create a legend to label plotted data series or add descriptive text next to data points. x linspace (0, 2pi, 1920); HDTV resolution. MATLAB assigns styles to lines according to their order of creation. How to produce line plot yline for matlab R2018a - MATLAB Answers - MATLAB Central. The simple way is to use hold plot (X); hold on; plot (Y); hold off; The other way is to combine them into a matrix. If three or more periods occur before the end of a line, then MATLAB ignores the rest of the line and continues to the next line. Learn more about yline, yyaxis, plot, matlab MATLAB Hi i am trying to draw a constant line at y axis in a plot for a mean. Next, we use the plot() function to create a line plot of sin(x) and cos(x), specifying the color and line style of each line using the optional arguments 'r-' and 'b--', respectively. For example, this code plots two sine waves and a reference line at y0. Create some x-y test data for five data points. So e. Then call the low-level version of the line function by specifying the data as name-value pair arguments. Plot Straight Line Segments. By default, the SeriesIndex property is a number that corresponds to the order in which the Line object was created, starting at 1. . used mini motorhomes for sale by owner