matlab程序:syms x y z; x=-50:0.1:50; y=-50:0.1:50; z=(4-2.1*x.
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matlab程序:syms x y z; x=-50:0.1:50; y=-50:0.1:50; z=(4-2.1*x.^2+1/3*x.^4)*x.^2+(-4+4*y.^2)*y.^2
报错:
z=(4-2.1*x.^2+1/3*x.^4)*x.^2+(-4+4*y.^2)*y.^2+x.*y.;
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Error:Incomplete or misformed expression or statement.
不是分号用错成中文了,
报错:
z=(4-2.1*x.^2+1/3*x.^4)*x.^2+(-4+4*y.^2)*y.^2+x.*y.;
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Error:Incomplete or misformed expression or statement.
不是分号用错成中文了,
clear;clc
x=-50:0.1:50; % 不用syms定义
y=-50:0.1:50;
z=(4-2.1*x.^2+1/3*x.^4).*x.^2+(-4+4*y.^2).*y.^2; % x.^2和y.^2 前用 .*
再问: 换了之后还是错误 ??? Error using ==> mpower Matrix must be square.
再答: 我的未报错
x=-50:0.1:50; % 不用syms定义
y=-50:0.1:50;
z=(4-2.1*x.^2+1/3*x.^4).*x.^2+(-4+4*y.^2).*y.^2; % x.^2和y.^2 前用 .*
再问: 换了之后还是错误 ??? Error using ==> mpower Matrix must be square.
再答: 我的未报错
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