Plot_Matrix_MathGL

use MathGL and C++ to plot a surface

• we read 3 matrix(x,y,z) from text files

• use Surf function to plot: Surf(x,y,z)

• save plot in a png file (surf.png)

Compile: g++ Surf_mathgl.cpp -o Surf_mathgl -lmgl

Run: ./Surf_mathgl