how to set 'Fixed-step size' specified in the Configuration Parameters dialog for block diagram in a simulink model from a GUI

Question

Pankaj Jha 2016-9-20

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https://ww2.mathworks.cn/matlabcentral/answers/303799-how-to-set-fixed-step-size-specified-in-the-configuration-parameters-dialog-for-block-diagram-in

评论： OLUWASEUN ADEKOYA 2022-9-2

I am trying to run a simulink model using GUI. I have declared the configuration parameter 'Fixed-step size' as a variable "Ts" in the simulink model. While running the simulink file from the GUI, I am getting the following error: | Error evaluating expression 'Ts' for 'Fixed-step size' specified in the Configuration Parameters dialog for block diagram 'sdm_maha': Undefined function or variable 'Ts'.| I am using the _ sim('sdm_maha');_ to run the simulink model. Can anyone help me how to how to set 'Fixed-step size' specified in the Configuration Parameters dialog for block diagram in a simulink model from a GUI ??

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Answer 1

Fangjun Jiang 2016-9-20

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https://ww2.mathworks.cn/matlabcentral/answers/303799-how-to-set-fixed-step-size-specified-in-the-configuration-parameters-dialog-for-block-diagram-in#answer_235428

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You need to set a value for the variable 'Ts' in the base workspace.

assignin('base','Ts',0.01)

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OLUWASEUN ADEKOYA 2022-9-2

Yes, I just had to do this within the spmd block since each worker needs to be able to access this "Fixed Step Size" this in their base workspace as well.

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