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

Topic: What am I missing?
Replies: 5   Last Post: Nov 23, 2012 5:30 PM

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Nasser Abbasi

Posts: 5,674
Registered: 2/7/05
Re: What am I missing?
Posted: Nov 22, 2012 5:00 PM
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On 11/22/2012 3:18 PM, Greg Heath wrote:
> % help rank
> %
> % rank Matrix rank.
> % rank(A) provides an estimate of the number of linearly
> % independent rows or columns of a matrix A.
>


> A = 1 0 1 1 0
> 0 1 0 0 1


> rankA = 2
>
> Why isn't rankA = 1?
>
> Greg
>


It is the maximum number of linearly independent column or rows in A.
Which is 2. For example, the first 2 columns.

--Nasser



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