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thr2=thselect(x,'heursure');%启发式阈值; thr3=thselect(x,'sqtwolog');%固定式阈值; thr4=thselect(x,'minimaxi');%极大极小值阈值; 运行结果
thr1 =
1.8065
thr2 =
3.7169
thr3 =
thr4 =
2.2163