Top "Fftw" questions

FFTW, "The Fastest Fourier Transform in The West", is a C library which implements discrete Fourier Transforms.

undefined reference to `main' in C

Hi I am getting below error while compiling a c code using gcc /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../lib64/crt1.…

c gcc system-verilog fftw system-verilog-dpi
Improving FFT performance in Python

What is the fastest FFT implementation in Python? It seems numpy.fft and scipy.fftpack both are based on fftpack, …

python numpy scipy fft fftw
Implement Hann Window

I take blocks of incoming data and pass them through fftw to get some spectral information. Everything seems to be …

c signal-processing fft fftw
Computing FFT and IFFT with FFTW library C++

I am trying to compute the FFT and then the IFFT just to try out if I can get the …

c++ signal-processing fftw
How to install the fftw3 package of R in ubuntu 12.04?

I am trying to install the fftw3 package through R console >install.packages("fftw") After this command it is …

r ubuntu-12.04 fftw
Why I cannot override search path of dynamic libraries with LD_LIBRARY_PATH?

Edit: I resolved this issue, the solution is below. I am building a code in a shared computing cluster dedicated …

linux ld dynamic-linking fftw
computing fft and ifft with fftw.h in C

Hi all I am using the fftw C libraries to compute the frequency spectrum for some signal processing applications on …

c signal-processing fft fftw
unable to link to fftw3 library

I am compiling a test program to test the fftw3 (ver3.3.4). Since it is not installed with root previlidge the …

c linker linker-errors fftw
How to get FFTW++ working on windows? (for dummies)

I'm using Windows 10 and Visual Studio 2015. In C++, I need to get the Fourier-transform of an image for applying filters …

c++ windows visual-studio fftw
FFTW vs Matlab FFT

I posted this on matlab central but didn't get any responses so I figured I'd repost here. I recently wrote …

c++ matlab mex fftw