want to save data from simulink, but receive "The file name is invalid because it does not have the extension ".mdl" or".slx"."

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zhexuan on 6 Mar 2024

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Commented: Mathieu NOE on 6 Mar 2024

error:The file name 'C:\Users\Jason\Desktop\fangbo.xlsx' is invalid because it does not have the extension ".mdl" or".slx".

my code:

[t_time,x_state,y_out]=sim('C:\Users\Jason\Desktop\fangbo.xlsx',[0,181]);           
filename_time='C:\Users\Jason\Desktop\fangbo.xlsx'; 			
sheet=‘sheet1’；									
position=‘A1’；										
xlsxwrite('C:\Users\Jason\Desktop\fangbo.xlsx',Out1,sheet,B);

what's wrong with my code?how to solve this problem?

HELP!

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Mathieu NOE on 6 Mar 2024

as matlab tells you, it's the wrong file extension :

[t_time,x_state,y_out]=sim('C:\Users\Jason\Desktop\fangbo.xlsx',[0,181]);

should be

[t_time,x_state,y_out]=sim('C:\Users\Jason\Desktop\fangbo.mdl',[0,181]);

or

[t_time,x_state,y_out]=sim('C:\Users\Jason\Desktop\fangbo.slx',[0,181]);

Mathieu NOE on 6 Mar 2024

you should also probably use another file name for saving your data in the excel file - using the same name for simulink and excel is prone to confusion

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