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