a=(x-b*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));这个等式用matlab画三维图怎么实现,a,x,b分别是三个坐标轴的变量!
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![a=(x-b*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));这个等式用matlab画三维图怎么实现,a,x,b分别是三个坐标轴的变量!](/uploads/image/z/3687329-65-9.jpg?t=a%3D%28x-b%2A%283-x%29%2F%281-x%29%5E3%29%2Ax%5E2%2F%28log%281-x%29%2Bx%2F%281-x%29%29%3B%E8%BF%99%E4%B8%AA%E7%AD%89%E5%BC%8F%E7%94%A8matlab%E7%94%BB%E4%B8%89%E7%BB%B4%E5%9B%BE%E6%80%8E%E4%B9%88%E5%AE%9E%E7%8E%B0%2Ca%2Cx%2Cb%E5%88%86%E5%88%AB%E6%98%AF%E4%B8%89%E4%B8%AA%E5%9D%90%E6%A0%87%E8%BD%B4%E7%9A%84%E5%8F%98%E9%87%8F%21)
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a=(x-b*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));这个等式用matlab画三维图怎么实现,a,x,b分别是三个坐标轴的变量!
a=(x-b*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));这个等式用matlab画三维图怎么实现,
a,x,b分别是三个坐标轴的变量!
a=(x-b*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));这个等式用matlab画三维图怎么实现,a,x,b分别是三个坐标轴的变量!
你的题目似乎有点不对呀
b是个常数还是一个变量呢?如果是个常数,那只能画2维图形呀
如果是变量,就相当于y对吧
clear all;clc;
syms x y
z=(x-y*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));
figure(1)
ezmesh(z,[-5,3]);
figure(2);
ezmesh(x,y,z,[-pi,pi/6,-pi,pi/2]);
figure(3);
ezsurf(z,[-5,3]);
figure(4)
ezsurf(x,y,z,[-pi,pi/6,-pi,pi/2]);
你运行一下,对比一下效果,祝顺利.
>> syms b x
>> a=(x-b*(3-x)/(1-x)^3)*x^2/(log(1-x)+x/(1-x));
>> ezmesh(a)
试试这样行不行