Error in port widths or dimensions. Output port 1 of 'xxx/From File' is a one dimensional vector with 1 elements.

Hi, Got a little problem in 'FROM FILE' block in simulink.

In my system I've added 'FROM FILE' block which gets data from file and then performs calculation using 'MATLAB FUNC' block. When I tried to open '.mat' file (from which the 'FROM FILE' block extracts data) in MATLAB it imports as 2X20 array. But When I try to run in Simulink I get the following error:

"Error in port widths or dimensions. Output port 1 of 'xxx/From File' is a one dimensional vector with 1 elements."

Thanks in advance.

Answer 1

[Kaustubha Govind]

The data in the file needs to be a certain format (first row is treated as time samples, following rows as data). Make sure you conform to the one of the formats as described in the documentation.

[Joe Ajay]

I tried both 'timeseries' & 'array', now the err is 'attempt to access 5 elements of 'u', the valid index range is 1 to 1.' Is there a solution fr this Kaustubha Govind.

[Joe Ajay]

Also was this err, 'timeseries not supported by code generation'

[Kaustubha Govind]

Could you paste the format of your data here please.

[Christian Narvaez]

I am also running into this error here. I tried both as suggested by Kaustubha: ie.

1, 2, 3, 4,

120, 121, 122, 123

where the first row is the time samples and the second row the data and also that matrix transposed. I have no luck either way. Seems like a simple thing to do but it has become a hassle to get past this error.