#N canvas 0 0 604 511 12;
#X floatatom 113 218 5 0 0 0 - - -;
#X obj 123 113 f;
#X obj 104 198 random 4;
#X obj 26 197 random 2;
#X floatatom 35 219 5 0 0 0 - - -;
#X obj 123 138 t b b f;
#X obj 26 253 sel 0 1;
#X obj 159 328 +;
#X obj 123 87 metro 100;
#X obj 123 65 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
;
#X obj 104 252 + 1;
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#X obj 82 309 *;
#X msg 26 282 -1;
#X obj 242 83 moses 0;
#X obj 316 83 moses 100;
#X obj 242 107 * -1;
#X obj 407 86 * -1;
#X obj 407 111 + 200;
#X msg 60 282 1;
#X text 39 9 Random walk generator;
#X text 143 64 on/off;
#X text 298 152 output;
#X text 22 375 A random walk is a special case of a Markov chain \,
in which the states are integers and the transitions add or subtract
a small amount from the previous state to get a new one. Here the "f"
holds the state. When it gets a bang \, the previous state is added
to a random number (from 1 to 4) multiplied by a random sign (-1 or
1). The new value is then coerced into the range from 0 to 100;
#X text 35 235 sign;
#X text 113 234 magnitude;
#X text 203 313 add prev value;
#X text 200 330 to random increment;
#X text 256 30 coercion to range 0-100 \; if out of range \, reflect
;
#X text 255 60 us back in.;
#X text 323 492 updated for Pd version 0.37-1;
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