File Exchange

image thumbnail

polyvac

version 1.0 (630 Bytes) by

Vectorized "polyval" for columns of a matrix

1 Download

Updated

No License

Vectorized "polyval" for polynomials represented by columns of a matrix Z (usually produced by POLYFIC).

Demo:
let x = a vector of length N:

DAT=polyvac(Z,x)

produces matrix DAT, so that

DAT(:,i)=polyval(Z(:,i),x(:));

Up to 10 times inctreased speed in comparison to nonvectorized version.

Comments and Ratings (2)

Ian

Ian (view profile)

MATLAB Release
MATLAB 6.1 (R12.1)

Download apps, toolboxes, and other File Exchange content using Add-On Explorer in MATLAB.

» Watch video