I know that constants are probably named so by a reason, but is it possible to reload or update them during a running Simulink simulation?
Cheers, Frank
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Your question is little bit unclear. If you want to change the value in aConstant Block, you can change it run time from its dialog box which appears by double click on it.
Also you can change these values from a m-file usingset_param() function.
See the attached model. I usedget_param command for this purpose. Just run the model, open theScope at the end and see the results. You can change the Constant block value and observe the change accordingly.
The block does exist in R2010b as well and was part of the Signal Processing Blockset (which has since been repackaged into the DSP System Toolbox). Perhaps you don't have Signal Processing Blockset installed in your R2010b version?
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