Every function in the package starts with e_.; You start coding a visualization by creating an echarts object with the e_charts() function. That takes your data frame and x-axis column as arguments.

Begin by defining the x, y and z values for the plot, if you don't already have them. For example, at MATLAB's command prompt type the following:x = 1:0.1:10; y = sin(x); z = magic(91);This code ...

You also can plot the integral of a given function. Figure 5. You can set several options for the integral, including the precision that the numerical method must reach when calculating and plotting ...