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 1266 time(s).
Fourier Fejer Lanczos.sm (10.26 KiB) downloaded 1296 time(s).
Fourier Budapest39 Spectrum.sm (36.76 KiB) downloaded 1261 time(s).
Fourier Sampling.sm (30.71 KiB) downloaded 1293 time(s).
Fourier Sampling Complex [Scrap].sm (29.34 KiB) downloaded 1068 time(s).
Fourier IDCT-II Smath CODE.sm (38.75 KiB) downloaded 1229 time(s).
Fourier DCT-II [Data].sm (78.87 KiB) downloaded 1124 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 1289 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 1090 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 1254 time(s).
Fourier fft, ifft Reconciliation.sm (30.25 KiB) downloaded 1211 time(s).

SMath

Fourier Examples

Fourier Examples - Fourier Examples - Messages

SMath Forum

Fourier Examples - Fourier Examples - Messages