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annotate vandermonde.m @ 721:c29eca357028 feature/grids

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Change name of grid parameter in multiblock.DiffOp to avoid conflict with package
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 19 Mar 2018 17:11:15 +0100
parents 184833fe4c0e
children 0090a86d8b72
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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660
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
1 % Create vandermonde matrix for points x and polynomials of order p
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
2 % x and p are vectors
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
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3 % v is a length(x) by length(p) matrix
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
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4 function V = vandermonde(x, p)
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
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5 V = sym(zeros(length(x), length(p))); % Is there a way to make this work for both double and sym
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
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6
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
7 for i = 1:length(p)
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
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8 V(:, i) = mononomial(x,p(i));
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
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9 end
184833fe4c0e Add monomial, vandermonde and stencil cretation tools
Jonatan Werpers <jonatan@werpers.com>
parents:
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10 end