lmlib.utils.beta.zero_cross_ind#

lmlib.utils.beta.zero_cross_ind(y, threshold=0)#

Returns a list of the indeces of zero crossings

Parameters

  • y (array_like of shape=(K,) of floats) – signal vector to detect zero-crossings

  • threshold (float) – crossing threshold (default: 0).

Returns

out – array with indices i where y[i]<0 and y[i+1]>=0 (i.e., indices before the threshold).

Return type

ndarray of ints

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