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# Polynomial Composition (Scripts) 1.0

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## Polynomial Composition (Scripts) Publisher's description

### POLYCOMP Polynomial composition

POLYCOMP Polynomial composition

R = POLYCOMP(P,Q) returns the composition of Q(P(x)) given polynomials P and Q with coefficients in descending order.

If Q is a scalar, with value N, it assumes shorthand notation for Q(x)=x^N.

Output is a polynomial with coefficients in descending order.

Example:
% p(x) = 2x+1
% q(x) = 2x^2 + 4x + 3
% q(p(x)) = 2[2x+1]^2 + 4[2x+1] + 3

p=[2 1]
q=[2 4 3]
r=polycomp(p,q)

% p(x) = 2x+1
% q(x) = x^3 (scalar, shorthand notation)
% q(p(x)) = [2x+1]^3

p=[2 1]
q=3
r=polycomp(p,q)

#### System Requirements:

MATLAB 7.12 (2011a)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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