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Question
画二元函数图，用到了三重积分，用meshgrid报错，用循环效率太低，求大佬改进。
以下是二元函数： function fun1 = fun1(a,b) rou = 1e-3; R = 22.5; D1 = 50; x1 = 50; xmin = x1-R; xmax = x1+R; ymin = -inf; ymax ...
1 year ago | 0 answers | 0
