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我尝试用二维经验模态分解(BEMD)对网格化数据进行分解的时候,matlab出现警告和报错,这是怎么回事?应该怎样修改能正常分解。
警告部分;
Warning: Rank deficient, rank = 9998, tol = 1.4520e-010.
> In bemd>gridfit at 1036
In bemd>sift at 56
In bemd at 18
In testEMD at 14
Warning: Rank deficient, rank = 9999, tol = 1.3531e-010.
> In bemd>gridfit at 1036
In bemd>sift at 57
In bemd at 18
In testEMD at 14
报错部分:
??? Error using ==> bemd>gridfit at 823
Insufficient data for surface estimation.
Error in ==> bemd>sift at 57
[zmingrid, ~, ~] = gridfit(ymin,xmin,zmin,y,x);
Error in ==> bemd at 18
[imf_temp residue_temp] = sift(h_func);
Error in ==> testEMD at 14
[ imf_matrix ] = bemd(data);
截图:
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