Array indices must be positive integers or logical values.

2023 3 8

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Why do I keep getting this error? Doesn't RRED should take care of indices?

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Walter Roberson 2023-3-8

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You have a symbolic variable named rref so rref(X) is a request to index the rref variable.

Hyeonjin 2023-3-8

I really appreciate your anwer.

But I did not make any symbolic variable named rref. If it is generated, how do I remove it?

Hyeonjin 2023-3-8

I solved it!

So the file is effected by other files in the folder. So I needed to get rid of rref variable there and clear workspace in home tap.

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