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How to deal with algebric loops and how to get rid of Nan????

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Amar
Amar 2013-4-9
I built up a full vehicle simulink model. After running the simulation i am getting the error as Algebraic state in algebraic loop containing '...../Integrator' computed at time 0 .4 is Inf or NaN. There may be a singularity in the solution. If the model is correct, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances). I have check the output at each block its showing NaN at third step. I gave all the inputs in numeric form instead of that i am getting this message. Please....can any body help me to get out of this error...please

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回答（1 个）

Yao Li
Yao Li 2013-4-9
try to add the block 'memory' and give an initial value to each closed loop
  2 个评论
Amar
Amar 2013-4-9
i have to take initial value as 0 will it work in that case also
Yao Li
Yao Li 2013-4-9
编辑：Yao Li 2013-4-9
it doesn't matter, but there must be an initial value and make sure zero will never be the denominator

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