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python Programming Glossary: numpy.correlatehttp://stackoverflow.com/questions/1199972/cython-and-numpy-speed FFT both signals multiply and inverse FFT the product. numpy.correlate doesn't use the FFT method in the cross correlation routine...
How to correlate two time series with gaps and different time bases? http://stackoverflow.com/questions/5130808/how-to-correlate-two-time-series-with-gaps-and-different-time-bases . The nature of the times series data makes Python's numpy.correlate unusable. I've also looked at R's Zoo package but have made..
How can I use numpy.correlate to do autocorrelation? http://stackoverflow.com/questions/643699/how-can-i-use-numpy-correlate-to-do-autocorrelation can I use numpy.correlate to do autocorrelation I need to do auto correlation of a set.. So this question is really two questions What exactly is numpy.correlate doing How can I use it or something else to do auto correlation.. python function to do that would be def autocorr x result numpy.correlate x x mode 'full' return result result.size 2 You will of course..
Computing cross-correlation function? http://stackoverflow.com/questions/6991471/computing-cross-correlation-function improve this question To cross correlate 1d arrays use numpy.correlate . For 2d arrays use scipy.signal.correlate2d . There is also.. . There is also matplotlib.pyplot.xcorr which is based on numpy.correlate. See this post on the SciPy mailing list for some links to different..
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