Scilab plot12/23/2023 ![]() For more information on Scilab plots and Latex please read the article How to add Latex formatted text in a Scilab plot.Īfter running the Scilab instructions in a script file ( *.sce) or in the Scilab Console, we get the following graphical window. For more deatils on Plotting in Scilab, please click on following link. It is a graph depicting the relationship between two or more variables used, for instance, in visualising scientific data. Scilab Code to plot first six Bessel function of the first kind for x0 to x10. Plotting in Scilab A plot is a graphical technique for presenting a data set drawn by hand or produced by a mechanical or electronic plotter. Note that we used Latex notations for the y-axis. Bessel functions are J 0 (x), J 1 (x), J 2 (x), J 3 (x), J 4 (x) and J 5 (x). After, we use xlabel() and ylabel() to set the axes labels and title() for a title. Next instructions are setting the colour of the axis font and the thickness of the line. With gca() we read the current axes parameters and we assign them to the variable h1 for editing. The function y 1(x) is plotted with the instruction plot2d(). The functions are defined as: \[ \begin(x)=\sin(x)$","FontSize",3)įirst we create a colour variable c, which we are going to use as a setting for the axes and polyline (function curve). In this example we are going to plot 3 function y 1(x), y 2(2) and y 3(x) function of x, overlapping the curves, each with its own y-axis. For example, For example, > figure > hold on > plot(x,log(x),'b') > plot(x,x/10,'r') > plot(x,x. This tutorial will teach you how to plot 2 or more y-axis plot in the same graphical window using Scilab. In Matlab (and probably in Scilab) you can supply a 'line spec' argument to the plot function, which tells it what color and style to draw the line in. In this example we are going to plot 3 function y 1 (x), y 2 (2) and y 3 (x) function of x, overlapping the curves, each with its own y-axis. This tutorial will teach you how to plot 2 or more y-axis plot in the same graphical window using Scilab. With the command gca we get the handle to the current axes with which it is possible to set axis bounds. Scilab is very versatile at plotting multiple y-axes on the same graphical window. However, not all curves can be defined this way. Then, we use the command legend to add an annotation to the figure. Scilab How to plot parametric equations with Scilab How to plot parametric equations with Scilab A mathematical curve can be defined as a function y f (x), where x is the coordinate of the horizontal axis and y is the value of the function in that x point. Scilab is very versatile at plotting multiple y-axes on the same graphical window. Plotting in Scilab page 4/17 Step 2: Multiple plot and axis setting In this example we plot two functions on the same figure using the command plot twice. In this example we are going to plot 3 function y1(x), y2(2) and 圓(x) function of x, overlapping the curves, each with its own y-axis. For this we need to plot several y-axes function of the same, common x-axis. Scilab is very versatile at plotting multiple y-axes on the same graphical window. All our drivers presently on FileExchange will be updated for Scilab 6 and gathered in a single ATOMS module (then easier to document and maintain).When dealing with data we often need to compare different sets/series between themselves. A syntax is implemented to continuously display the live data coming from the multimeter (same low refresh rate ~1Hz).Ģ new Scilab drivers to come soon for new instruments (a furnace, and another popular multimeter). So no problem to get a live plot of received data.Īs well, we have written a Scilab driver for the very popular M38XR multimeter ). The refresh frequency of the powermeter is 1-2 Hz. We do it for practicals in optics: we move a translation actuator step by step (Scilab driver, plugged to port#1), and for each step we read a transmitted signal with an optical powermeter (driver, plugged to port#2). It is perfectly possible to implement such a hardware setup run from a Scilab session that plots live data.
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