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rotton


7 total contributions since 2018

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Question


Why is nonlinear inequality constraint not respected by fmincon?
The following script uses fmincon for minimization and works as expected: % Feeding optimization over time, with algebraic mode...

12 days ago | 0 answers | 0

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Question


Why is optimization involving ODEs so much slower than with a purely algebraic objective function?
Consider this optimization script, which is a very much boiled down version of something I am currently working on: % Parameter...

2 months ago | 0 answers | 0

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answers

Question


How to get only one or two output times from ODE solver?
I am programming a nonlinear optimization, during which an ODE is solved multiple times at each objective function call. So I wo...

2 months ago | 1 answer | 0

1

answer

Question


What is causing Invalid variable 'conjugate(B(t))' in Symbolic Math Toolbox?
While trying to solve a DAE system with Symbolic Math Toolbox, I keep getting the same error. Unfortunately, the error message d...

3 months ago | 1 answer | 0

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answer

Question


Why do MINLP solvers have such a hard time with this simple problem?
I am trying to solve a global optimization problem, belonging to the category of MINLP (mixed-integer nonlinear programming). ...

8 months ago | 0 answers | 0

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Question


How to dynamically manipulate input variables during simulation from within Simulink M-code S-function?
In Simulink, I am trying to setup the following problem: An ODE which right-hand side is depending on a discrete input value. ...

10 months ago | 0 answers | 0

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Question


How to handle discrete, non-periodic right-hand side of ODE in Matlab
I am trying to migrate an existing Simulink simulation to pure Matlab, which is necessary for several reasons. It is a stiff sys...

1 year ago | 1 answer | 0

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