error "brace indexing is not supported for variables of this type" trying to import a xlsx file of 2 columns to a signal editor

i'm trying to import a signal like a time running signal builder block, but it doesn't work as i'm new to this signal editor block and i tried to understand the matlab tutorial, but i can't even import the signal as the error appears.

And the archive is a column of time from 0 to 81 seconds, and the second column of rpm that changes over time as the car goes on a track. XLSX DOCUMENT

The process is to use the rpm and link it to a lookup table, as it will have the car rpm range, and the values that will be linked with that rpm, like a heat generated from the combustion engine. As i said, i used the signal builder before and that worked as intended, but now i'm a little confused and i don't know if the data that i'm importing is "wrong" for the purpose or is really that difficult to understand the "new" block

Answer 1

[Ashutosh Thakur]

Hi Yuri,

I have tried importing this data into the Signal Editor on my end by following this documentation link https://www.mathworks.com/help/simulink/slref/signaleditortool.html and was able to import this signal successfully using the XLSX file link attached. I would suggest you try some of the troubleshooting steps mentioned below:

• Try the initial troubleshooting mentioned in the following link https://www.mathworks.com/matlabcentral/answers/2052722-how-can-i-perform-initial-troubleshooting-of-matlab-or-simulink-errors and check whether issue is still present or not.
• Now, open a fresh MATLAB instance and open the Signal Editor app by running the following command in the MATLAB command window:

    >> signalEditor

and try to import the spreadsheet again.

• Alternative methods could be to use the From Spreadsheet block in Simulink to import the data and use MATLAB code to create a timeseries object from the imported data to be used in the model. https://www.mathworks.com/help/simulink/slref/fromspreadsheet.html.

I hope the above-mentioned steps helps you.