convlution matrix in four lines

Version 1.0.0.0 (545 Bytes) by sri hari bhupala haribhakta
This simple function generates the convolution matrix.
3.0
(1)
1K Downloads
Updated 20 May 2008

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% CONV_MTX Convolution matrix.
% If 'x' is a column vector of length 'nx', then conv_mtx(x,nh) gives a toeplitz
% matrix 'X' of size (nx+nh-1) times (nh). 'nh' is the length of the column vector
% 'h' with which 'x' is convolved. Thus finally 'X*h' is same as conv(x,h).
% If 'x' and 'h' are row vectors, then 'X' is of size (nh) times (nx+nh-1).
% Then 'h*X' is same as conv(x,h). This does not depend on the in built command
% 'TOEPLITZ'.

Cite As

sri hari bhupala haribhakta (2025). convlution matrix in four lines (https://www.mathworks.com/matlabcentral/fileexchange/19939-convlution-matrix-in-four-lines), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2007a
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.0.0.0