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Question
二重积分问题。
r=15;E=20000;v=0.25;z=40;C=56;D=32.32;q=-0.45;%基本量 R4=@(w,d)sqrt((r-d*cos(w))^2+(d*sin(w))^2+z^2);%%代入下式直接计算还是有问题 fun1=@(w,d)(...
3 years ago | 1 answer | 0
