"Execution of script cfunc as a function is not supported" i don't understand why i get this error, i tried making a function on multiple intervals

2 次查看（过去 30 天）

Andrei-Eduard 2023-12-21

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2063087-execution-of-script-cfunc-as-a-function-is-not-supported-i-don-t-understand-why-i-get-this-error

评论： Andrei-Eduard 2023-12-21

L=0;
A1=-0.0036;
A2=-0089;
A3=8.75e-4;
B1=1.8e-5;
B2=2.7188e-5;
B3=-4.5e-6;
L1=0.0035;
L2=0.003;
L3=0.0055;
x=(0:0.0001:L3);
function c = func(x,L1,L2,L3)
c1 = @(x)(A1*x+B1);
c2 = @(x)(E/(2*D)*(x^2)+A2*x+B2);
c3 = @(x)(A3*x+B3);
if (x>=0 && x<L1)
    c=c1(x);
end
if(x>=L1 && x<L2+L1)
    c=c2(x);
end
if(x>=L1+L2 && x<=L1+L2+L3)
    c=c3(x);
end
end

9 个评论
显示 7更早的评论隐藏 7更早的评论

Torsten 2023-12-21

If you are new to MATLAB and you want to know what you are doing, invest 2 hours of your time and pass an introductionary course for free:

https://matlabacademy.mathworks.com/details/matlab-onramp/gettingstarted

Dyuman Joshi 2023-12-21

+1 to Torsten's suggestion of MATLAB Onramp

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Walter Roberson 2023-12-21

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2063087-execution-of-script-cfunc-as-a-function-is-not-supported-i-don-t-understand-why-i-get-this-error#answer_1375757

在 MATLAB Online 中打开

You do not define D or E

L=0;
A1=-0.0036;
A2=-0089;
A3=8.75e-4;
B1=1.8e-5;
B2=2.7188e-5;
B3=-4.5e-6;
L1=0.0035;
L2=0.003;
L3=0.0055;
x=(0:0.0001:L3);
y = arrayfun(@(X)func(X,L1,L2,L3,A1,A2,A3,B1,B2,B3), x);
Unrecognized function or variable 'E'.

Error in solution>@(x)(E/(2*D)*(x^2)+A2*x+B2) (line 17)
c2 = @(x)(E/(2*D)*(x^2)+A2*x+B2);

Error in solution>func (line 23)
    c=c2(x);

Error in solution>@(X)func(X,L1,L2,L3,A1,A2,A3,B1,B2,B3) (line 12)
y = arrayfun(@(X)func(X,L1,L2,L3,A1,A2,A3,B1,B2,B3), x);
plot(x, y)
function c = func(x,L1,L2,L3,A1,A2,A3,B1,B2,B3)
c1 = @(x)(A1*x+B1);
c2 = @(x)(E/(2*D)*(x^2)+A2*x+B2);
c3 = @(x)(A3*x+B3);
if (x>=0 && x<L1)
    c=c1(x);
end
if(x>=L1 && x<L2+L1)
    c=c2(x);
end
if(x>=L1+L2 && x<=L1+L2+L3)
    c=c3(x);
end
end