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comparison scripts/signal/arch_fit.m @ 4030:22bd65326ec1

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[project @ 2002-08-09 18:58:13 by jwe]
author jwe
date Fri, 09 Aug 2002 19:00:16 +0000
parents 38c61cbf086c
children 4c8a2e4e0717
comparison
equal deleted inserted replaced
4029:2cc57b6169cf 4030:22bd65326ec1
53 53
54 if ((nargin < 3) || (nargin == 6) || (nargin > 7)) 54 if ((nargin < 3) || (nargin == 6) || (nargin > 7))
55 usage ("arch_fit (y, X, p, ITER, gamma, a0, b0)"); 55 usage ("arch_fit (y, X, p, ITER, gamma, a0, b0)");
56 endif 56 endif
57 57
58 if (! (is_vector (y))) 58 if (! (isvector (y)))
59 error ("arch_test: y must be a vector"); 59 error ("arch_test: y must be a vector");
60 endif 60 endif
61 61
62 T = length (y); 62 T = length (y);
63 y = reshape (y, T, 1); 63 y = reshape (y, T, 1);