Hi, i’m new in Matlab and i can’t understand what is the problem using integral, the error occured is First input argument must ne a function handle, thanks for the help.

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Antonio Sunseri
Antonio Sunseri 2018-5-31
评论： Antonio Sunseri 2018-5-31
C1=zeros(1,np);
For j=1:np
x1=0;
x=delta; %delta just defined
R_px=@(x) sqrt((dxxp-(c*x+dxx)).^2+(dyyp-(d*x+dyy)).^2+(dzzp-(f*x)+dzz)).^2);
C1(j)=integral((exp(-R_px(x)*ck)./(R_px(x).^3)),x1,x2);

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Shrestha Kumar
Shrestha Kumar 2018-5-31
Hi,
You cannot directly give a expression as a parameter to the integral function.
So you need to define a new function with definition (exp(-R_px(x)*ck)./(R_px(x).^3)) and then provide the handle(name) of the function to the integral function.
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