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ZHUEN RUAN


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Why "Index exceeds matrix dimensions." when I use PSO to fit the parameters in ODE?
I am trying to use PSO to fit the parameters in ODE, but I get the errors as: if true Index exceeds matrix dimensions. Er...

7 years ago | 1 answer | 0

1

answer

Question


Why “Index exceeds matrix dimensions” when I use PSO to fit the parameters in ODE?
I am trying to use PSO to fit the parameters in ODE to the datas. But I got the errors: if true Index exceeds matrix dim...

7 years ago | 0 answers | 0

0

answers

Question


Why I get "Warning: Failure at t=6.856645e-02. Unable to meet integration tolerances without reducing the step size below the smallest value allowed" when use ODE15s?
I am trying to use ODE15S to solve ODE e [t,N]=ode15s(odefun,[0:10:949],NN0); But I got the warning like this: i ...

7 years ago | 0 answers | 0

0

answers

Question


Why "Error using odearguments“ and ”Error in ode15s“ ?
I am trying to solve ODE using ode15s first, when I set some parameters in the subfunction of ODE as constant, I can get the rig...

7 years ago | 1 answer | 0

1

answer

Question


How to set Variable-step in ODE15s?
I am trying to solve ODE using ODE15s, but when I change the Variable-step, the result changes. So how to set the step? Thanks. ...

7 years ago | 2 answers | 0

2

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Question


Why "Support of character vectors that are not valid variable names or define a number will be removed in a future release. " when I solve use sym and subs?
I am trying to solve population balance model using ode15s in matlab. (1) I first build a framework of equations with dimensio...

7 years ago | 1 answer | 0

1

answer