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-rw-r--r--abs/mtx_find_rowcol.pd19
-rw-r--r--abs/mtx_index2rowcol.pd28
-rw-r--r--abs/mtx_mod.pd19
-rw-r--r--abs/mtx_rowcol2index.pd21
4 files changed, 87 insertions, 0 deletions
diff --git a/abs/mtx_find_rowcol.pd b/abs/mtx_find_rowcol.pd
new file mode 100644
index 0000000..7c96e1e
--- /dev/null
+++ b/abs/mtx_find_rowcol.pd
@@ -0,0 +1,19 @@
+#N canvas 0 0 450 300 10;
+#X obj 141 13 inlet;
+#X obj 141 212 outlet;
+#X obj 141 35 t a a;
+#X obj 171 56 mtx_size;
+#X obj 141 76 mtx_find;
+#X obj 248 212 outlet;
+#X text 280 74 comment;
+#X text 256 27 finds the non-zero;
+#X text 260 58 column and row indices;
+#X text 308 89 of a matrix;
+#X obj 141 111 mtx_index2rowcol;
+#X connect 0 0 2 0;
+#X connect 2 0 4 0;
+#X connect 2 1 3 0;
+#X connect 3 1 10 1;
+#X connect 4 0 10 0;
+#X connect 10 0 1 0;
+#X connect 10 1 5 0;
diff --git a/abs/mtx_index2rowcol.pd b/abs/mtx_index2rowcol.pd
new file mode 100644
index 0000000..0b685bc
--- /dev/null
+++ b/abs/mtx_index2rowcol.pd
@@ -0,0 +1,28 @@
+#N canvas 304 424 484 300 10;
+#X obj 141 13 inlet;
+#X obj 141 212 outlet;
+#X obj 141 122 t a a;
+#X obj 141 167 mtx_int;
+#X obj 208 211 outlet;
+#X obj 141 190 mtx_+ 1;
+#X obj 208 185 mtx_+ 1;
+#X obj 141 100 mtx_- 1;
+#X text 260 58 column and row indices;
+#X obj 242 11 inlet;
+#X text 285 10 columns;
+#X text 255 40 calculates;
+#X text 280 76 for a given index vector;
+#X text 308 93 and given column size;
+#X obj 208 146 mtx_mod \$1;
+#X obj 141 146 mtx_./ \$1;
+#X connect 0 0 7 0;
+#X connect 2 0 15 0;
+#X connect 2 1 14 0;
+#X connect 3 0 5 0;
+#X connect 5 0 1 0;
+#X connect 6 0 4 0;
+#X connect 7 0 2 0;
+#X connect 9 0 15 1;
+#X connect 9 0 14 1;
+#X connect 14 0 6 0;
+#X connect 15 0 3 0;
diff --git a/abs/mtx_mod.pd b/abs/mtx_mod.pd
new file mode 100644
index 0000000..940eb8f
--- /dev/null
+++ b/abs/mtx_mod.pd
@@ -0,0 +1,19 @@
+#N canvas 0 0 450 300 10;
+#X obj 162 18 inlet;
+#X obj 162 217 outlet;
+#X obj 240 18 inlet;
+#X obj 162 69 mtx_./ \$1;
+#X obj 162 93 t a a;
+#X obj 200 115 mtx_int;
+#X obj 162 141 mtx_-;
+#X obj 162 164 mtx_* \$1;
+#X text 48 9 matrix modulo;
+#X connect 0 0 3 0;
+#X connect 2 0 3 1;
+#X connect 2 0 7 1;
+#X connect 3 0 4 0;
+#X connect 4 0 6 0;
+#X connect 4 1 5 0;
+#X connect 5 0 6 1;
+#X connect 6 0 7 0;
+#X connect 7 0 1 0;
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;