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Text version of the page
| Data Analysis | |||||||||||
| Fourier Transforms abs angle cplxpair fft fft2 fftn fftshift fftw ifft ifft2 ifftn ifftshift nextpow2 unwrap Derivatives and Integrals cumtrapz del2 diff | |||||||||||
| Absolute value and complex magnitude Phase angle Sort complex numbers into complex conjugate pairs Discrete Fourier transform 2-D discrete Fourier transform N-D discrete Fourier transform Shift zero-frequency component to center of spectrum Interface to FFTW library run-time algorithm tuning control Inverse discrete Fourier transform 2-D inverse discrete Fourier transform N-D inverse discrete Fourier transform Inverse FFT shift Next higher power of 2 Correct phase angles to produce smoother phase plots | |||||||||||
| Cumulative trapezoidal numerical integration Discrete Laplacian Differences and approximate derivatives | |||||||||||
| 1-43 | |||||||||||