added some useful abstractions:

...rowcol... indexing vectors/matrices can be converted to row and
column indexing vectors/matrices.

mtx_find_rowcol ... finding nonzero row and column indices of a matrix

mtx_mod.pd ... modulo operator using division and rounding.

svn path=/trunk/externals/iem/iemmatrix/; revision=5539

1 files changed, 21 insertions, 0 deletions

diff --git a/abs/mtx_rowcol2index.pd b/abs/mtx_rowcol2index.pd
new file mode 100644
index 0000000..6eab201
--- /dev/null
+++ b/abs/mtx_rowcol2index.pd
@@ -0,0 +1,21 @@
+#N canvas 12 28 450 300 10;
+#X obj 77 12 inlet;
+#X obj 350 11 inlet;
+#X text 293 10 columns;
+#X text 118 13 row;
+#X obj 146 13 inlet;
+#X text 187 14 col;
+#X obj 77 168 outlet;
+#X obj 77 103 mtx_- 1;
+#X obj 77 125 mtx_.* \$1;
+#X obj 77 146 mtx_+;
+#X text 270 98 calculates;
+#X text 216 121 linear matrix indices;
+#X text 223 145 from row and col indices;
+#X text 232 169 and the column size;
+#X connect 0 0 7 0;
+#X connect 1 0 8 1;
+#X connect 4 0 9 1;
+#X connect 7 0 8 0;
+#X connect 8 0 9 0;
+#X connect 9 0 6 0;