Mercurial > repos > public > sbplib
comparison vandermonde.m @ 943:21394c78c72e feature/utux2D
Merge with default
| author | Martin Almquist <malmquist@stanford.edu> |
|---|---|
| date | Tue, 04 Dec 2018 15:24:36 -0800 |
| parents | 0090a86d8b72 |
| children |
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| 942:35701c85e356 | 943:21394c78c72e |
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| 1 % Create vandermonde matrix for points x and polynomials of order p | |
| 2 % x is a list of N points of size [N,dim], | |
| 3 % p is a list of polynomial orders of size [M, dim]. | |
| 4 % the given mononomials are evaluated and the NxM matrix V is returned. | |
| 5 function V = vandermonde(x, p) | |
| 6 assert(size(x,2) == size(p,2), 'x and p must have the same number of columns') | |
| 7 n = size(x,1); | |
| 8 m = size(p,1); | |
| 9 | |
| 10 for i = 1:m | |
| 11 V(:,i) = mononomial(x, p(i,:)); | |
| 12 end | |
| 13 | |
| 14 assertSize(V,[n,m]); | |
| 15 end |