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北京石油化工学院2026年研究生招生接收调剂公告
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wyjjf

新虫 (正式写手)

[交流] MATLAB:表格数据怎么带入到数学公式中

MATLAB:表格数据怎么带入到数学公式中

MATLAB:表格数据怎么带入到数学公式中
2222.jpg


MATLAB:表格数据怎么带入到数学公式中-1
22221.jpg

Matlab:edit,
Then,the following lines between the percent sign (%) copied to m.file, save
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function dx=myfun(t,x)
dx(1)=-6*x(2)*x(2)-9;
dx(2)=-3*x(1)*x(2)-2*x(3);
dx(3)=x(1)*x(2)+x(3)+8;
dx=dx(;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Matlab:
x0=[3,-4,2];
t0=0:0.1:2;
[t,x]=ode45('myfun',[0,2],x0);   
plot(t,x)
legend('u','v','Y')
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wyjjf

新虫 (正式写手)

The formulas above without Yvv and Yuu Matlab:edit, Then,the following lines between the percent sign (%) copied to m.file, save %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function dx=myfun(t,x) dx(1)=-6*x(2)*x(2)-9; dx(2)=-3*x(1)*x(2)-2*x(3); dx(3)=x(1)*x(2)+x(3)+8; dx=dx(; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Matlab: x0=[3,-4,2]; t0=0:0.1:2; [t,x]=ode45('myfun',[0,2],x0); plot(t,x) legend('u','v','Y')
2楼2015-02-10 19:27:13
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