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Re: ML compatibility question...
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From: |
Ben Abbott |
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Subject: |
Re: ML compatibility question... |
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Date: |
Tue, 29 Nov 2011 22:13:44 -0500 |
On Nov 29, 2011, at 6:10 PM, fork wrote:
> Could anyone verify that magic(0)+magic(3) gives magic(3) in ML, rather than
> erroring out? If so, maybe this could be added to Jordi's bsxfun project?
>
> In Octave 3.4.3, magic(0)+magic(3) gives a nonconformant error, and so does
> magic(0).+magic(3) but magic(1)+magic(3) works ok. I am using SDPT in my
> cooks
> tour of optimization programs, and I am seeing a problem with this.
>
> Tx
"magic(0)" is empty, so "magic(0)+magic(3)" should give an error.
The ML result is ...
magic(0) + magic(3)
Error using +
Matrix dimensions must agree.
magic(0)
ans =
[]
magic(3)
ans =
8 1 6
3 5 7
4 9 2
Looking at magic(1)
magic (1)
ans =
1
magic(1) + magic(3)
ans =
9 2 7
4 6 8
5 10 3
Ben