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Unable to use a value of type function_handle as an index.

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Waseem Akhtar
Waseem Akhtar 2021-2-18
评论： Waseem Akhtar 2021-2-18
hi all,
I am trying to perform double integration using following syntax:
Gxh=@(xpp,zpp) (xpp+zpp)
GXH=integral2(Gxh,aa,bb,cc,dd);
but i am getting following error message:
"Unable to use a value of type function_handle as an index."
I have already tried to change the names of Gxh and GXH but to no avail. Please help me resolve the issue!
  2 个评论
Just Manuel
Just Manuel 2021-2-18
When I assign some integers for aa, bb, cc and dd, your code works for me.
What is your full error message? What are aa, bb, cc and dd in your code?
Waseem Akhtar
Waseem Akhtar 2021-2-18
full error message is: Unable to use a value of type function_handle as an index.
The values of limits aa,bb,cc and dd are not integers, rather these +ve/-ve decimal values.
Also the expression (xpp+zpp) is simplified here, actual expresssion in my code is very long

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Walter Roberson
Walter Roberson 2021-2-18
You have accidentally assigned a value to a variable named integral2

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