How can i obtain such 3-D meshgrid image of ...

Hello,

Acutally, I want to generate a 3-D plot for a Gabor filter's (2D matrix) real part and imaginary part. But I don't know how to do so. For example, I calculate the real and imaginary parts of a Gabor filter which are like:

http://ars.els-cdn.com/content/image/1-s2.0-S009630031000336X-gr3.jpg

GR = M-by-M matrixGr =

Columns 1 through 6

    0.0000   -0.0000   -0.0000    0.0000    0.0000   -0.0000
   -0.0000   -0.0000    0.0000    0.0000   -0.0000    0.0000
   -0.0000    0.0000    0.0000   -0.0000    0.0000    0.0000
    0.0000    0.0000   -0.0000    0.0000    0.0000   -0.0001
    0.0000   -0.0000    0.0000    0.0000   -0.0002   -0.0008
   -0.0000    0.0000    0.0000   -0.0001   -0.0008    0.0051
    0.0000    0.0000   -0.0000   -0.0002    0.0028    0.0021
    0.0000   -0.0000   -0.0000    0.0005    0.0006   -0.0086
   -0.0000   -0.0000    0.0000    0.0001   -0.0014    0.0006
   -0.0000    0.0000    0.0000   -0.0001    0.0001    0.0005
    0.0000    0.0000   -0.0000    0.0000    0.0000   -0.0000
    0.0000   -0.0000    0.0000    0.0000   -0.0000   -0.0000
   -0.0000    0.0000    0.0000   -0.0000   -0.0000    0.0000

Columns 7 through 12

    0.0000    0.0000   -0.0000   -0.0000    0.0000    0.0000
    0.0000   -0.0000   -0.0000    0.0000    0.0000   -0.0000
   -0.0000   -0.0000    0.0000    0.0000   -0.0000    0.0000
   -0.0002    0.0005    0.0001   -0.0001    0.0000    0.0000
    0.0028    0.0006   -0.0014    0.0001    0.0000   -0.0000
    0.0021   -0.0086    0.0006    0.0005   -0.0000   -0.0000
   -0.0158    0.0021    0.0028   -0.0002   -0.0000    0.0000
    0.0021    0.0051   -0.0008   -0.0001    0.0000    0.0000
    0.0028   -0.0008   -0.0002    0.0000    0.0000   -0.0000
   -0.0002   -0.0001    0.0000    0.0000   -0.0000    0.0000
   -0.0000    0.0000    0.0000   -0.0000    0.0000    0.0000
    0.0000    0.0000   -0.0000    0.0000    0.0000   -0.0000
    0.0000   -0.0000    0.0000    0.0000   -0.0000   -0.0000

Column 13

   -0.0000
    0.0000
    0.0000
   -0.0000
   -0.0000
    0.0000
    0.0000
   -0.0000
    0.0000
    0.0000
   -0.0000
   -0.0000
    0.0000

Answer 1

[Walter Roberson]

Why not

mesh(GR)

?