/[MITgcm]/MITgcm/verification/natl_box/input/closest.m
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Contents of /MITgcm/verification/natl_box/input/closest.m

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Revision 1.1 - (show annotations) (download)
Mon Jan 30 23:51:50 2006 UTC (18 years, 2 months ago) by dimitri
Branch: MAIN
CVS Tags: checkpoint64y, checkpoint64x, checkpoint58l_post, checkpoint64z, checkpoint64q, checkpoint64p, checkpoint64s, checkpoint64r, checkpoint64u, checkpoint64t, checkpoint64w, checkpoint64v, checkpoint64i, checkpoint64h, checkpoint64k, checkpoint64j, checkpoint64m, checkpoint64l, checkpoint64o, checkpoint64n, checkpoint64a, checkpoint64c, checkpoint64b, checkpoint64e, checkpoint64d, checkpoint64g, checkpoint64f, checkpoint58e_post, checkpoint58u_post, checkpoint58w_post, checkpoint63p, checkpoint63q, checkpoint63r, checkpoint63s, checkpoint63l, checkpoint63m, checkpoint63n, checkpoint63o, checkpoint63h, checkpoint63i, checkpoint63j, checkpoint63k, checkpoint63d, checkpoint63e, checkpoint63f, checkpoint63g, checkpoint63a, checkpoint63b, checkpoint63c, checkpoint64, checkpoint65, checkpoint60, checkpoint61, checkpoint62, checkpoint63, checkpoint58r_post, checkpoint66g, checkpoint66f, checkpoint66e, checkpoint66d, checkpoint66c, checkpoint66b, checkpoint66a, checkpoint66o, checkpoint66n, checkpoint66m, checkpoint66l, checkpoint66k, checkpoint66j, checkpoint66i, checkpoint66h, checkpoint58n_post, checkpoint58x_post, checkpoint58t_post, checkpoint58h_post, checkpoint65z, checkpoint65x, checkpoint65y, checkpoint65r, checkpoint65s, checkpoint65p, checkpoint65q, checkpoint65v, checkpoint65w, checkpoint65t, checkpoint65u, checkpoint65j, checkpoint65k, checkpoint65h, checkpoint65i, checkpoint65n, checkpoint65o, checkpoint65l, checkpoint65m, checkpoint65b, checkpoint65c, checkpoint65a, checkpoint65f, checkpoint65g, checkpoint65d, checkpoint65e, checkpoint58q_post, checkpoint59q, checkpoint59p, checkpoint59r, checkpoint58j_post, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, checkpoint59j, checkpoint59, checkpoint58f_post, checkpoint58d_post, checkpoint58c_post, checkpoint58a_post, checkpoint58i_post, checkpoint58g_post, checkpoint58o_post, checkpoint62c, checkpoint62b, checkpoint62a, checkpoint62g, checkpoint62f, checkpoint62e, checkpoint62d, checkpoint62k, checkpoint62j, checkpoint62i, checkpoint62h, checkpoint62o, checkpoint62n, checkpoint62m, checkpoint62l, checkpoint62s, checkpoint62r, checkpoint62q, checkpoint62p, checkpoint62w, checkpoint62v, checkpoint62u, checkpoint62t, checkpoint62z, checkpoint62y, checkpoint62x, checkpoint58y_post, checkpoint58k_post, checkpoint58v_post, checkpoint58s_post, checkpoint61f, checkpoint61g, checkpoint61d, checkpoint61e, checkpoint61b, checkpoint61c, checkpoint58p_post, checkpoint61a, checkpoint61n, checkpoint61o, checkpoint61l, checkpoint61m, checkpoint61j, checkpoint61k, checkpoint61h, checkpoint61i, checkpoint61v, checkpoint61w, checkpoint61t, checkpoint61u, checkpoint61r, checkpoint61s, checkpoint61p, checkpoint61q, checkpoint61z, checkpoint61x, checkpoint61y, checkpoint58b_post, checkpoint58m_post, HEAD
added closest.m and rho.m to verification/natl_box/input
because they are needed by lookat.m

1 function y=closest(v,x,n)
2 % function CLOSEST(V,X,N)
3 % Return index of N element closest to value V in vector X.
4 % By default N=1.
5 % If N is zero, CLOSEST returns the two closest
6 % values in vector X that straddle value V.
7 %
8 % See also MINMAX MMAX MMIN MMEAN
9
10 % d menemenlis 8/21/95
11
12 if nargin < 3, n=1; end
13 if nargin < 2, error('insufficient number of arguments'); end
14
15 if n<0
16 error('N cannot be a negative number')
17 elseif n==0
18 y=[nan nan];
19 ix=find(~isnan(x)&x<v);
20 if ~isempty(ix)
21 [my iy]=min(abs(x(ix)-v));
22 y(1)=ix(iy);
23 end
24 ix=find(~isnan(x)&x>=v);
25 if ~isempty(ix)
26 [my iy]=min(abs(x(ix)-v));
27 y(2)=ix(iy);
28 end
29 else
30 y=nan*ones(n,1);
31 for i=1:n
32 ix=find(~isnan(x));
33 if ~isempty(ix)
34 [my iy]=min(abs(x(ix)-v));
35 y(i)=ix(iy);
36 x(y(i))=nan;
37 end
38 end
39 end

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