matplotlib.mlab¶
与 MATLAB兼容的函数
MATLAB compatible functions¶
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cohere() - Coherence (normalized cross spectral density)
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csd() - Cross spectral density using Welch's average periodogram
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detrend() - Remove the mean or best fit line from an array
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find() - Return the indices where some condition is true; numpy.nonzero is similar but more general.
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griddata() - Interpolate irregularly distributed data to a regular grid.
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prctile() - Find the percentiles of a sequence
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prepca() - Principal Component Analysis
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psd() - Power spectral density using Welch's average periodogram
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rk4() - A 4th order runge kutta integrator for 1D or ND systems
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specgram() - Spectrogram (spectrum over segments of time)