scipy.signal.qspline1d

scipy.signal.qspline1d(signal, lamb=0.0)

Compute quadratic spline coefficients for rank-1 array.

Description:

Find the quadratic spline coefficients for a 1-D signal assuming mirror-symmetric boundary conditions. To obtain the signal back from the spline representation mirror-symmetric-convolve these coefficients with a length 3 FIR window [1.0, 6.0, 1.0]/ 8.0 .

Inputs:

signal – a rank-1 array representing samples of a signal. lamb – smoothing coefficient (must be zero for now.)

Output:

c – cubic spline coefficients.

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