- added single, double and triple exponential smoothing objects based on NIST

  alorgithms (the links are included in the patches).  This was originally
  inspired by Fredrik Olofsson's f0.smooth and f0.smooth2, but I added triple
  exponential smoothing, and made them as Pd patches.

svn path=/trunk/externals/mapping/; revision=9058

1 files changed, 46 insertions, 0 deletions

diff --git a/smooth_double.pd b/smooth_double.pd
new file mode 100644
index 0000000..6c76d24
--- /dev/null
+++ b/smooth_double.pd
@@ -0,0 +1,46 @@
+#N canvas 860 490 765 388 10;
+#X obj 61 6 inlet;
+#X obj 300 6 inlet;
+#X obj 300 60 purepd/float_argument \$1 0.15;
+#X obj 311 33 loadbang;
+#X obj 99 345 outlet;
+#X text 135 220 St = a*Yt1+(1-a)*St1;
+#X obj 61 51 trigger float bang;
+#X obj 166 147 float;
+#X text 202 147 St1;
+#X obj 300 96 clip 0 1;
+#X obj 257 312 pddp/pddplink http://www.itl.nist.gov/div898/handbook/pmc/section4/pmc433.htm
+;
+#X obj 215 345 outlet;
+#X obj 490 6 inlet;
+#X obj 501 33 loadbang;
+#X obj 490 96 clip 0 1;
+#X text 233 277 bt = y * (St - St1) + (1 - y) * bt1;
+#X text 549 96 y;
+#X text 359 96 a;
+#X obj 216 259 expr $f4 * ($f1 - $f2) + (1 - $f4) * $f3;
+#X obj 334 148 float;
+#X text 372 147 bt1;
+#X obj 490 60 purepd/float_argument \$2 0.3;
+#X obj 99 201 expr $f4*$f1+(1-$f4) * ($f2 + $f3);
+#X connect 0 0 6 0;
+#X connect 1 0 2 0;
+#X connect 2 0 9 0;
+#X connect 3 0 2 0;
+#X connect 6 0 22 0;
+#X connect 6 1 7 0;
+#X connect 6 1 19 0;
+#X connect 7 0 18 1;
+#X connect 7 0 22 1;
+#X connect 9 0 22 3;
+#X connect 12 0 21 0;
+#X connect 13 0 21 0;
+#X connect 14 0 18 3;
+#X connect 18 0 19 1;
+#X connect 18 0 11 0;
+#X connect 19 0 18 2;
+#X connect 19 0 22 2;
+#X connect 21 0 14 0;
+#X connect 22 0 4 0;
+#X connect 22 0 7 1;
+#X connect 22 0 18 0;