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error 7009

Posted Aug 31, 2010, 2:53 p.m. EDT 0 Replies

Oyinlolu Adeyanju
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Has anyone ever encountered Error 7009? It states: Differential-algebraic equation encountered. Use singular mass matrix = Yes.

I'm attaching a screenshot of the error.

I am not certain how to resolve it. It occurs when attempting to run a simulation multiple times, i.e. each subsequent iteration starts with the previously resolved simulations' values as the initial value for the new simulation.

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0 Replies Last Post Aug 31, 2010, 2:53 p.m. EDT
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Hello Oyinlolu Adeyanju

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