Parameters from MATLAB function in Simulink

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Jasper Mattijs
Jasper Mattijs 2014-5-6
评论： Santosh Gnanasekaran 2018-1-1
Hi
I'm writing a function in MATLAB. In this function I call a Simulink diagram with following command: sim('diagram', 'vxin', value) The error I get is: block_diagram does not have a parameter named 'vxin'. In the diagram I have a constant block where I entered vxin. Clearly this isn't the right way.
How can I fix this?
Thanks
  1 个评论
Santosh Gnanasekaran
Santosh Gnanasekaran 2018-1-1
Probably 'vxin' is not in the base workspace as its value is undefined. you can assign any constant\variable in simulink pertaining to that particular block and then try again.

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采纳的回答

A Jenkins
A Jenkins 2014-5-6
编辑：A Jenkins 2014-5-6
It depends on how you want to manage the scope of vxin .
Simple option:
vxin=value;
sim('diagram');
or maybe you want something like:
h=get_param('diagram','modelworkspace');
h.assignin('vxin',value);
sim('diagram');

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