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Re: Syntax befuddlement
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From: |
Dmitri A. Sergatskov |
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Subject: |
Re: Syntax befuddlement |
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Date: |
Sat, 27 Dec 2003 15:59:22 -0700 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031210 |
Joe Koski wrote:
octave:2> t=[0.002:0.001:0.007]
t =
0.0020000 0.0030000 0.0040000 0.0050000 0.0060000 0.0070000
octave:3> fnormhat=0.5*(angle(-x(t+1).*conj(x(t-1)))+pi)/(2*pi)
^^^ ^^^^
t here is an index for x vector. For your t, t-1 is rounded to -1
and x(-1) is undefined (index should be a positive integer)...
error: invalid vector index = -1
error: evaluating argument list element number 1
...
Also conj(x)==x, if x is real.
Regards,
Dmitri.
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