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資源簡介

NURbs曲線繪制,通過MATLAB繪制NUrbs曲線

資源截圖

代碼片段和文件信息

clear;?
U=input(‘please?input?U:?‘);?
X=input(‘please?input?X:?‘);
Y=input(‘please?input?Y:?‘);?
Z=input(‘please?input?Z:?‘);
W=input(‘please?input?W:?‘);?
for?i=7:length(W)?
M{i-3}(14)=0;M{i-3}(34)=0;M{i-3}(24)=0;?
M{i-3}(11)=(U(i+1)-U(i)).^2/(U(i+1)-U(i-1))./(U(i+2)-U(i-1));?
M{i-3}(13)=(U(i)-U(i-1)).^2/(U(i+1)-U(i-1))./(U(i+2)-U(i-1));?
M{i-3}(23)=3.*(U(i)-U(i-1)).*(U(i+1)-U(i-1))./(U(i+1)-U(i-1))./(U(i+2)-U(i-1));?
M{i-3}(33)=3.*(U(i+1)-U(i)).^2/(U(i+1)-U(i-1))./(U(i+2)-U(i-1));?
M{i-3}(44)=(U(i+1)-U(i)).^2/(U(i+2)-U(i))./(U(i+3)-U(i));?

M{i-3}(12)=1-M{i-3}(11)-M{i-3}(13);??
M{i-3}(21)=-3.*M{i-3}(11);?
M{i-3}(22)=3.*M{i-3}(11)-M{i-3}(23);?
M{i-3}(31)=3.*M{i-3}(11);?
M{i-3}(32)=-3.*(M{i-3}(21)+M

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