Mercurial > octave-nkf

diff test/octave.test/matrix/tril-1.m @ 2742:eeb061f9cdbf

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[project @ 1997-02-26 04:29:07 by jwe]
author jwe
date Wed, 26 Feb 1997 04:29:48 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/octave.test/matrix/tril-1.m	Wed Feb 26 04:29:48 1997 +0000
@@ -0,0 +1,13 @@
+a = [1, 2, 3; 4, 5, 6; 7, 8, 9; 10, 11, 12];
+
+l0 = [1, 0, 0; 4, 5, 0; 7, 8, 9; 10, 11, 12];
+l1 = [1, 2, 0; 4, 5, 6; 7, 8, 9; 10, 11, 12];
+l2 = [1, 2, 3; 4, 5, 6; 7, 8, 9; 10, 11, 12];
+lm1 = [0, 0, 0; 4, 0, 0; 7, 8, 0; 10, 11, 12];
+lm2 = [0, 0, 0; 0, 0, 0; 7, 0, 0; 10, 11, 0];
+lm3 = [0, 0, 0; 0, 0, 0; 0, 0, 0; 10, 0, 0];
+lm4 = [0, 0, 0; 0, 0, 0; 0, 0, 0; 0, 0, 0];
+
+(tril (a, -4) == lm4 && tril (a, -3) == lm3
+ && tril (a, -2) == lm2 && tril (a, -1) == lm1
+ && tril (a) == l0 && tril (a, 1) == l1 && tril (a, 2) == l2)