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Why do I get the error 'Subscript indices must either be real positive integers or logicals ' for the below code?

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Summer
Summer 2015-1-2
编辑： Summer 2015-1-2
xa = (x-xc_t(t)+bx_t(t))/(sr2*betax_t(t));
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Summer
Summer 2015-1-2
True. Time starts at t=0 and then increases. The values of t are already being read from a text file, which was already saved as a 1x61 vector.
I'll check if indexing using the time step number would resolve it.
Thx

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Image Analyst
Image Analyst 2015-1-2
t is either 0, negative, or some fractional value, like 3.00023 or something. If, before that line you put
format long
t
what does it show in the command window? How did you define t in the first place?

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