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Nicolas Mira Gebauer


Last seen: 1 year ago |  Active since 2020

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Are there any restrictions on the Mass matrix for solving a DAE system using ode23t?
Hello, When working with ode23t or ode15s, are there any restrictions on the Mass matrix to be used? I already know that in th...

2 years ago | 1 answer | 0

1

answer

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rank() computation cost
Hi, does anyone knows which is the computational cost of getting the rank of a matrix through the rank(M) command? (It would be ...

3 years ago | 1 answer | 0

1

answer

Question


Result for solve( ) with minimized number of parameters
I have an underdetermined system with the following variables: vars = [x1;u;x2;x1_d;u_d;x2_d] and the following equations: eq...

3 years ago | 2 answers | 0

2

answers

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Event function for ODE solver with binary values
Is there any reason why creating an event function which can only take values of 1 or 0 a bad idea? If so, why? I ask because, ...

3 years ago | 1 answer | 0

1

answer

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Error using matlabfunction with piecewise functions and intervals
I am working with the symbolic toolbox and I am trying to generate a matlab function using the command matlabfunction() with gg ...

3 years ago | 1 answer | 0

1

answer

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Empty solution in event detection
I am solving a DAE system and I am using an event function to restart the solving process at each discontinuity, which are trigg...

4 years ago | 0 answers | 0

0

answers

Question


Piecewise functions and event detection in ODE solvers
I am trying to solve a thyristor modelled as a DAE system and for that I need to detect when the thyristor turns ON and OFF. Th...

4 years ago | 0 answers | 0

0

answers

Question


Reinitialization for a piecewise-defined DAE set of equations
I am trying to model an electrical thyristor, which has the following switching equations: ON-status: Vak >= Vf & vg > Vgt; or ...

4 years ago | 0 answers | 0

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Answered
Setting assumptions for a function when solving system of ODEs
Hi, how did you solve this problem? I am currently stuck at something similar.. Thank you in advance

4 years ago | 0