Mesh surface plot - MATLAB mesh

This MATLAB function creates a mesh plot, which is a three-dimensional surface that has solid edge colors and no face colors.
Create three matrices of the same size. Then plot them as a mesh plot. The plot uses Z for both height and color.
Specify the colors for a mesh plot by including a fourth matrix input, C. The mesh plot uses Z for height and C for color. Specify the colors using a colormap, which uses single numbers to stand for colors on a spectrum. When you use a colormap, C is the same size as Z. Add a color bar to the graph to show how the data values in C correspond to the colors in the colormap.
Specify the colors for a mesh plot by including a fourth matrix input, CO. The mesh plot uses Z for height and CO for color. Specify the colors using truecolor, which uses triplets of numbers to stand for all possible colors. When you use truecolor, if Z is m-by-n, then CO is m-by-n-by-3. The first page of the array indicates the red component for each color, the second page indicates the green component, and the third page indicates the blue component.
Create a semitransparent mesh surface by specifying the FaceAlpha name-value pair with 0.5 as the value. To allow further modifications, assign the surface object to the variable s.

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