pylops.utils.signalprocessing.convmtx¶
-
pylops.utils.signalprocessing.
convmtx
(h, n)[source]¶ Convolution matrix
Equivalent of MATLAB’s convmtx function . Makes a dense convolution matrix \(\mathbf{C}\) such that the dot product
np.dot(C, x)
is the convolution of the filter \(h\) and the input signal \(x\).Parameters: - h :
np.ndarray
Convolution filter (1D array)
- n :
int
Number of columns (if \(len(h) < n\)) or rows (if \(len(h) \geq n\)) of convolution matrix
Returns: - C :
np.ndarray
Convolution matrix of size \(len(h)+n-1 \times n\) (if \(len(h) < n\)) or \(n \times len(h)+n-1\) (if \(len(h) \geq n\))
- h :