Attempt to reference field of non-structure array这是什么问题
 

0.049747,0.36845,1700
0.069983,0.54874,13900
0.073918,0.5718,15100
0.076166,0.57914,16000
0.078415,0.59382,16900
0.080101,0.6001,17800
0.081225,0.60639,18600
0.084598,0.61792,19500
0.085722,0.62317,20300
0.088533,0.6326,21100
0.089657,0.63679,22000
0.09303,0.64413,22800
0.094154,0.64832,23600
0.095278,0.65147,24500
0.098089,0.65671,25300
0.099213,0.65881,26300
0.10034,0.6609,27100
0.10315,0.66509,28000
0.10483,0.66719,28800
0.10821,0.67034,29700
0.11327,0.67348,31900
0.11664,0.67453,37400
0.13294,0.67243,38500
0.13519,0.67243,39300
0.13969,0.66929,40200
0.14193,0.66824,41000
0.14418,0.66614,41800
0.14924,0.663,42700
0.15205,0.66195,43500
0.15374,0.65985,44300
0.1588,0.65566,45100
0.16105,0.65356,46000
0.16554,0.64937,46800
0.16779,0.64727,47600
0.17004,0.64518,48400
0.17229,0.64203,49200
0.17622,0.63784,50100
0.17847,0.63574,50900
0.18297,0.6305,51700
0.18465,0.62841,52500
0.1869,0.62631,53400
0.19084,0.62107,54200
0.19252,0.61897,55000
0.19477,0.61583,55800
0.19646,0.61373,56700
0.20039,0.60849,57500
0.20264,0.60639,58300
0.20601,0.60115,59200
0.20826,0.59906,60000
0.20995,0.59696,60800
0.21332,0.59172,61600
0.21557,0.58962,62500
0.21726,0.58753,63300
0.22063,0.58333,64200
0.22232,0.58124,65000
0.22569,0.57704,65900
0.22794,0.57495,66700
0.22962,0.57285,67600
0.233,0.56866,68400
0.23468,0.56656,69200
0.23637,0.56447,70000
0.23974,0.56132,70900
0.24143,0.55922,71700
0.24311,0.55713,72600
0.24592,0.55398,73500
0.24761,0.55189,74300
0.25098,0.54874,75100
0.25211,0.54665,76000
0.25379,0.5456,76800
0.2566,0.54245,77700
0.25829,0.5414,78600
0.26054,0.53826,79400
0.26166,0.53721,80300
0.26279,0.53616,81100
0.26504,0.53407,81900
0.26616,0.53302,82800
0.26728,0.53197,83600
0.26897,0.52987,84500
0.2701,0.52883,85300
0.27122,0.52778,86200
0.27178,0.52673,87100
0.27291,0.52568,87900
0.27347,0.52463,93500

上面的文件是prof要求用dmlread命令导入matlab，但是用M=dmlread(filename)的时候一直出错“Attempt to reference field of non-structure array”。
这个问题怎么解决呢？各位老师