?? findp.m.htm
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<html>function P = FindP(d, j)% P = FindP(d, j) returns the P matrix for B-spline scaling functions of% degree d, level j.d = fix(d);if d < 0, error('FindP: Must have d >= 0.');end;j = fix(j);if j < 1 error('FindP: Must have j >= 1.');end;if d == 0 P = [1; 1]; for i = 2:j P = [P zeros(size(P)); zeros(size(P)) P]; end;else u = Knots(d, j - 1); g = Greville(d, u); P = eye(2^(j-1) + d); for k = 0:2^(j-1)-1 [u, g, P] = InsertKnot(d, u, g, P, (2*k+1)/2^j); end;end;return;?? 快捷鍵說明
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