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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: matrix multiplication with zero dimensions
Replies: 11   Last Post: Jan 7, 2013 10:20 AM

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Bruno Luong

Posts: 8,477
Registered: 7/26/08
Re: matrix multiplication with zero dimensions
Posted: Jan 6, 2013 6:34 PM
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"Matt J" wrote in message <kcd0g0$34t$1@newscl01ah.mathworks.com>...
> Is this documented anywhere?
>
> >> zeros(3,0)*zeros(0,3)
>
> ans =
>
> 0 0 0
> 0 0 0
> 0 0 0

Just like sum([]), prod([]), this result is no exception so to be documented separately.

Bruno

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