#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 89 15 [mtx_rowrfft]; #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 172 234 5 0 0 0 - - -; #X text 212 232 <-- scroll here to select frequency; #X obj 172 255 / 8; #X obj 49 330 mtx_rowrfft; #X obj 49 306 t a a; #X obj 92 306 mtx_print original; #X obj 49 394 mtx_print rfft_realpart; #X obj 121 372 mtx_print rfft_imagpart; #X obj 261 438 mtx_rowrifft; #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 121 352 mtx_int; #X obj 49 373 mtx_int; #X connect 4 0 9 0; #X connect 8 0 11 0; #X connect 9 0 10 0; #X connect 10 0 8 0; #X connect 11 0 12 0; #X connect 12 0 23 0; #X connect 13 0 15 0; #X connect 15 0 24 0; #X connect 16 0 27 0; #X connect 16 1 26 0; #X connect 17 0 16 0; #X connect 17 1 18 0; #X connect 23 0 17 0; #X connect 24 0 12 1; #X connect 26 0 20 0; #X connect 27 0 19 0;