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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: algebraic loop error
Replies: 6   Last Post: Dec 3, 2012 2:45 AM

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Roger Stafford

Posts: 5,811
Registered: 12/7/04
Re: algebraic loop error
Posted: Dec 2, 2012 2:35 PM
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"mado " <elec_mnf@yahoo.com> wrote in message <k9ard0$l76$1@newscl01ah.mathworks.com>...
> "Trouble solving algebraic loop containing 'chee_pv/pv6/Algebraic Constraint/Initial Guess' at time 0. Stopping simulation. 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)"
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It looks as though this error message is associated with the way you are using 'new' rather than being about 'new' itself. Are you using Simulink? If I were you, I would read that message very carefully and see if it contains a clue as what the trouble is. It seems to hint that some iteration you have set up, presumably involving 'new', is not converging properly.

Roger Stafford



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