#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;