plot a 6x6 matrix in 3D

I want to plot A (6,6) matrix with row number as x axis, column number as y axis and the value of A(x,y) as z axis. what is the function to use?

Answer 1

[Fangjun Jiang]

N=6;
[X,Y]=meshgrid(1:N,1:N);
surf(X,Y,A);

or plot3(),contour() depending what illustration you want.

Answer 2

[Walter Roberson]

Or just surf(A)