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Re: Numerical integration with quadcc


From: Carlo De Falco
Subject: Re: Numerical integration with quadcc
Date: Mon, 10 Jun 2019 11:21:08 +0000

Hi,

> Il giorno 07 giu 2019, alle ore 21:25, BGreen <address@hidden> ha scritto:
> 
> My problem is that I get the error "integrand F must return a single,
> real-valued vector of the same size as the input" even when the integrand
> DOES return such a vector. 
...
> I wrote the loop over the length of the argument to ensure that it would
> return a vector. Furthermore, if I call something simple as a test like
> 
> integ_F0011same(linspace(1,3,10))
> 
> inside the function, a 10-element is returned as expected. Why am I getting
> this error?


I am not 100% sure this is the problem but I suspect the relevant part of the 
error 

"integrand F must return a single, real-valued vector of the same size as the 
input"

message is 

"of the same size as the input"

with your specific test it works, but if you try for example :

  integ_F0011same (ones(7,1))

the output does not have the same shape and size of input ...

Hope this helps,
c.


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