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Diffstat (limited to 'macros/filter2.sci')
| -rw-r--r-- | macros/filter2.sci | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/macros/filter2.sci b/macros/filter2.sci new file mode 100644 index 0000000..b8b48e4 --- /dev/null +++ b/macros/filter2.sci @@ -0,0 +1,33 @@ +function Y = filter2 (B, X, SHAPE) +//Apply the 2-D FIR filter B to X. +//Calling Sequence +//Y = filter2(B, X) +//Y = filter2(B, X, SHAPE) +//Parameters +//B, X: Matrix +// SHAPE: +// 'full': pad X with zeros on all sides before filtering. +// 'same': unpadded X (default) +// 'valid': trim X after filtering so edge effects are no included. +//Description +//This function applies the 2-D FIR filter B to X. If the argument SHAPE is specified, return an array of the desired shape. +//Examples +//filter2([1,3], [4,5]) +//ans = +// 19. 5. +funcprot(0); +lhs = argn(1) +rhs = argn(2) +if (rhs < 2 | rhs > 3) +error("Wrong number of input arguments.") +end + +select(rhs) + + case 2 then + Y=callOctave("filter2",B,X) + case 3 then + Y = callOctave("filter2",B,X,SHAPE) + end + +endfunction |