How can I configure , so that MATLAB will not allow duplicate built in function by re-definition ?
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M.K.H. CHANDAN
le 7 Fév 2013
Modifié(e) : M.K.H. CHANDAN
le 19 Nov 2015
MATLAB(7.5.0) has some built in functions when some body is Overwriting it by another defination in Matlab Command Window, it is allowing and meaning is changing, Somecases it is giving absurd result & some cases it is giving errors for Overwrite.
for Example:
>> M = magic(3)
M =
8 1 6
3 5 7
4 9 2
>> result = -det(M)
result =
360
>> det =1
det =
1
>> result= -det(M)
??? Index exceeds matrix dimensions.
MATLAB(7.5.0) has some built in functions when some body is Overwriting it by another defination in Matlab Command Window, it is allowing and meaning is changing, Somecases it is giving absurd result & some cases it is giving errors for Overwrite.
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Image Analyst
le 7 Fév 2013
I don't know that you can prevent it. Sometimes (rarely) this is exactly what you do want to do. You can make a habit of doing a dependency report and looking it over to see anything that looks like it might be using the wrong function.
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Azzi Abdelmalek
le 7 Fév 2013
Modifié(e) : Azzi Abdelmalek
le 7 Fév 2013
det is a Matlab function. when you do
det=1
you are creating a new variable det, and shadows the function det. To restore it
clear det
det(M)
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