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Make Gaussian Matrix Kernels
Mathematica 7 introduces a flexible family of functions for constructing image processing kernels.
In[1]:=

Click for copyable input
Grid[

 Map[MatrixPlot[#, Frame -> None] &, {{GaussianMatrix[50], 

    GaussianMatrix[50, {1, 0}]},

   {GaussianMatrix[50, {0, 1}], GaussianMatrix[50, {1, 1}]}}, {2}]

 ]
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