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Re: What am I missing?
Posted:
Nov 22, 2012 5:20 PM


On 11/22/2012 4:00 PM, Nasser M. Abbasi wrote: > 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. >
hi;
follow up:
EDU>> [U,S,V] = svd(A)
U =
1 0 0 1
S = 1.7321 0 0 0 0 0 1.4142 0 0 0
V = 0.5774 0 0.5774 0.5774 0 0 0.7071 0 0 0.7071 0.5774 0 0.7887 0.2113 0 0.5774 0 0.2113 0.7887 0 0 0.7071 0 0 0.7071
Nasser



