Freeware Listing: Toeplitz

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'..

  • Platform: Matlab, Scripts

The main file interpMatrix.m in this package creates a sparse Toeplitz-like matrix representing a regularly-spaced interpolation operation between a set of control points. The user can specify the interpolation kernel, the number of control points, the spacing between the control points, and certain boundary conditions governing the behavior at the first and last control point. The tool has obvious applications to interpolation, curve fitting, and signal reconstruction. More generally, the ability to represent interpolation as a matrix is useful for minimizing cost functions involving interpolation operations.

  • Publisher: Matt J
  • Date: 05-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Toeplitz: Freeware | All

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