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Does isdouble works in MATLAB

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Abhijit on 24 Sep 2012
I have fixed-point toolbox installed for my MATLAB, but, the 'isdouble' function is not working. Is there any alternate function to check if a variable is double?

Answers (1)

Matt Fig
Matt Fig on 24 Sep 2012
Edited: Matt Fig on 24 Sep 2012
A = magic(3);
B = single(A);
If you need the isdouble function but don't have it, you can easily make your own by using the ISA function.
What version are you using? Type this at the command line:
You know that the isdouble function only works on fi objects, correct?
A = magic(3);
Afi = fi(A);
isdouble(A) % A is not an fi object, this will error.
isdouble(Afi) % A is an fi object, this won't error.
  1 Comment
Abhijit on 24 Sep 2012
Thanks Matt Fig for your response. i did not know the fi function.

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