DH.m ( File view )

  • By 宝马带斗 2013-11-27
  • View(s):186
  • Download(s):6
  • Point(s): 3
			function fz = DH(x,y,x0,y0,zx,zy,zxy)
n = length(x);
m = length(y);

for i=1:n
    if(x(i)<=x0)&& (x(i+1)>=x0)
        index_x = i;
        break;
    end
end                          %找到x0所在区间
for i=1:m
    if(y(i)<=y0)&& (y(i+1)>=y0)
        index_y = i;
        break;
    end
end                          %找到y0所在区间
hx = x(index_x+1) - x(index_x);
hy = y(index_y+1) - y(index_y);
tx = (x0 - x(index_x))/hx;          %插值坐标归一化
ty = (y0 - y(index_y))/hy;          %插值坐标归一化

Hl = [(1-tx)^2*(1+2*tx)  tx*tx*(3-2*tx) tx*(1-tx)^2  tx*tx*(tx-1)];  %左向量
Hr = [(1-ty)^2*(1+2*ty);  ty*ty*(3-2*ty); ty*(1-ty)^2 ; ty*ty*(ty-1)];  %右向量
C = [Z(index_x, index_y) Z(index_x,index_y+1) zy(ind
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...
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DH.m (9.25 kB)

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