fmin_eig2.m

空间统计工具箱

function [mineig]=fmin_eig2(d)
%
%[mineig]=fmin_eig2(d)
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%This function computes an estimate of the minimum eigenvalue (accuracy specified to 0.005). 
%
%INPUT:
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%A symmetric n by n spatial weight matrix d.
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%OUTPUT:
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%The scalar minimum eigenvalue.
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%NOTES:
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%Written by Kelley Pace, www.spatial-statistics.com,12/31/02.

OPTS.tol=0.005;
 OPTS.disp=0;
 mineig=eigs(d,1,'SA',OPTS);