filter2
2-D digital filter
Description
Examples
Input Arguments
Algorithms
The filter2
function filters data by taking
the 2-D convolution of the input X
and the coefficient
matrix H
rotated 180 degrees. Specifically, filter2(H,X,shape)
is
equivalent to conv2(X,rot90(H,2),shape)
.
Extended Capabilities
Version History
Introduced before R2006a