convlution matrix in four lines 1.0

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'.

Requirements:	No special requirements
Platforms:	Matlab
Keyword:	039h039,  039hx039,  039nh039,  039x039,  039xh039,  Built,  Column,  Command,  Convolution,  Convolved,  Convxh,  Depend,  Finally,  Length,  Matrix,  Times,  Toeplitz,  Vector,  Vectors
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