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diff general/arrutils/submat.m @ 4:e44f49929e56

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Adding reorganised general toolbox, now in several subdirectories.
author samer
date Sat, 12 Jan 2013 19:21:22 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/general/arrutils/submat.m	Sat Jan 12 19:21:22 2013 +0000
@@ -0,0 +1,6 @@
+% submat - extract square submatrix
+%
+% submat :: [[N,M]], [[L]->[min(N,M)]] -> [[L,L]].
+%
+% submat(X,I)=X(I,I)
+function B=submat(A,I), B=A(I,I); end