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#N canvas 547 150 672 515 10;
#X text 457 17 updated for;
#X obj 545 17 iemmatrix 0.2;
#X obj 594 43 matrix;
#X text 464 42 see also help for;
#X msg 11 124 bang;
#X text 46 34 real fft in each matrix row;
#X text 7 60 you can calculate real ffts in column direction \; matrix
has to have 2^k columns \; a N/2+1 columns matrix is the result \;
;
#X obj 11 191 mtx_cumsum;
#X msg 11 147 1 16;
#X obj 11 169 mtx_ones;
#X obj 11 213 mtx_- 1;
#X obj 49 255 mtx_* 0;
#X floatatom 140 210 5 0 0 0 - - -;
#X text 184 208 <-- scroll here to select frequency;
#X obj 172 255 / 8;
#X obj 49 306 t a a;
#X obj 92 306 mtx_print original;
#X obj 49 414 mtx_print rfft_realpart;
#X obj 121 392 mtx_print rfft_imagpart;
#X text 266 419 see also:;
#X obj 49 280 mtx_cos;
#X obj 103 255 * 3.14159;
#X text 109 280 cosine wave;
#X obj 121 372 mtx_int;
#X obj 49 393 mtx_int;
#X text 89 15 [mtx_rfft];
#X obj 49 330 mtx_rfft;
#X obj 261 438 mtx_rifft;
#X obj 121 353 mtx_+ 0.5;
#X obj 49 373 mtx_+ 0.5;
#X obj 140 231 t b f;
#X connect 4 0 8 0;
#X connect 7 0 10 0;
#X connect 8 0 9 0;
#X connect 9 0 7 0;
#X connect 10 0 11 0;
#X connect 11 0 20 0;
#X connect 12 0 30 0;
#X connect 14 0 21 0;
#X connect 15 0 26 0;
#X connect 15 1 16 0;
#X connect 20 0 15 0;
#X connect 21 0 11 1;
#X connect 23 0 18 0;
#X connect 24 0 17 0;
#X connect 26 0 29 0;
#X connect 26 1 28 0;
#X connect 28 0 23 0;
#X connect 29 0 24 0;
#X connect 30 0 4 0;
#X connect 30 1 14 0;
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