Fourier Examples

#1 Posted: 1/6/2016 11:23:11 PM

983 likes in 6,866 posts.

Group: User

... New/revised/added
idct2 has been doctored and repaired.
In thhe WS [ ... Scrap] Smath does seem to be willing evaluate complex ?

Jean

Fourier Budapest39 Smoothing.sm (28.12 KiB) downloaded 1435 time(s).
Fourier Fejer Lanczos.sm (10.26 KiB) downloaded 1467 time(s).
Fourier Budapest39 Spectrum.sm (36.76 KiB) downloaded 1428 time(s).
Fourier Sampling.sm (30.71 KiB) downloaded 1463 time(s).
Fourier Sampling Complex [Scrap].sm (29.34 KiB) downloaded 1210 time(s).
Fourier IDCT-II Smath CODE.sm (38.75 KiB) downloaded 1407 time(s).
Fourier DCT-II [Data].sm (78.87 KiB) downloaded 1258 time(s).

2 users liked this post

Davide Carpi 1/7/2016 5:15:00 AM, ioan92 1/7/2016 6:05:00 AM

#2 Posted: 1/8/2016 11:16:54 PM

Jean Giraud

983 likes in 6,866 posts.

Group: User

... Fourier Smpling Complex has been doctored /repaired.
Please, recycle the prevous work sheet "Fourier Sampling complex [Scarp]"
Observe the definition of 'i' imaginary in the program.

Jean

Fourier Sampling Complex.sm (41.39 KiB) downloaded 1475 time(s).

#3 Posted: 1/10/2016 6:27:16 PM

Jean Giraud

983 likes in 6,866 posts.

Group: User

... finally, the "i" imaginary does not have to be included in the program.
I have just checked "ifft" padding 0's: works great, here is proof/application.
Something wrong with "Phase_mod_pi".

Jean

Fourier ifft Padding [Dirac Filter].sm (46.06 KiB) downloaded 1245 time(s).

#4 Posted: 1/12/2016 12:36:09 AM

Jean Giraud

983 likes in 6,866 posts.

Group: User

... these two are added mostly as a saving place.

Fourier fft, ifft Sanity.sm (34.86 KiB) downloaded 1415 time(s).
Fourier fft, ifft Reconciliation.sm (30.25 KiB) downloaded 1383 time(s).

SMath

Fourier Examples

Fourier Examples - Fourier Examples - Messages

SMath Forum

Fourier Examples - Fourier Examples - Messages