我用ZR=corrcoef(x)做矩阵x的自相关系数分析,得出ZR=[1 NaN 0.8468
NaN NaN NaN
0.8468 NaN 1]
NaN说明数据之间什么关系.ZR(2,2)=NaN?我觉得应该是1才对啊.自己和自己的相关系数应该是1啊,NaN说明什么问题?
x=[0.29095 0.05094 8.875
0.29311 0.0504 8.876
0.28826 0.04933 8.872
0.29095 0.05058 8.878
0.28826 0.04986 8.875
0.29063 0.04977 8.875
0.29812 0.02836 8.786
0.29517 0.02836 8.786
0.28848 0.02313 8.783
0.28944 0.03378 8.766
0.55145 0.04016 9.084
0.55652 0.0398 9.079
0.53861 0.05664 8.973
0.561 0.02409 8.85
0.56145 0.02443 8.842
0.54479 0.02406 8.836
0.66944 0.09157 9.063
0.63187 0.04618 9.507
0.64561 0.16818 8.989
2.3701 8.9497 10.201
2.3575 8.8786 10.398
2.3525 8.9443 10.385
2.3449 8.9353 10.367
2.6335 9.0108 10.534
2.6919 8.9676 10.496
2.6641 8.7521 10.503
2.627 8.5206 10.489
2.6173 8.4582 10.496
2.3876 9.1307 10.333
2.3467 8.7764 10.35
2.3229 NaN 10.34
2.2925 8.5533 10.376
2.3938 9.1416 10.351
2.3418 8.8429 10.383
2.3799 8.9988 10.361
2.3731 8.9994 10.357
2.3232 8.6172 10.348
2.2898 8.5504 10.382
2.2795 8.4885 10.377
2.3935 9.006 10.2
2.3449 8.7161 10.208
2.4112 9.1397 10.201
2.3991 9.006 10.203
2.3581 8.8346 10.207
2.3495 8.6354 10.177
2.3128 8.5755 10.228
2.3223 8.5849 10.238
2.4081 9.1343 10.104
2.3713 8.7912 10.167
2.3483 8.6236 10.149
2.3177 8.5714 10.197
2.8934 8.7675 10.552
3.5495 8.6436 10.547
2.6082 8.4681 8.904
2.5408 8.1054 10.158
2.0736 7.8512 9.555
2.5921 8.5381 10.574
2.6018 8.5206 9.803
2.6179 8.6377 10.394
2.5489 8.5264 9.007
2.5921 8.4448 10.534
2.0592 8.0542 11.074
2.9104 8.9772 10.524
2.3043 8.0486 10.932
3.2184 9.036 9.6
2.7225 9.2173 9.996
2.7225 9.2112 9.95
2.1258 8.3232 10.128
2.1229 8.3175 9.995
2.0456 9.2112 9.996
2.3901 9.2052 10.136];