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JK


Last seen: mehr als 2 Jahre vor |  Aktiv seit 2018

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Beantwortet
How can I make a bvp4c solution more stable?
*tada:* <</matlabcentral/answers/uploaded_files/104262/5%20membranes.jpg>> The problem was the solver for yPo at x=0. wh...

fast 7 Jahre vor | 0

Beantwortet
How can I make a bvp4c solution more stable?
ok, can't wait to try it this evening, will keep you updated. EDIT: I get a singular jacobian when the solver reaches x=1. I...

fast 7 Jahre vor | 0

Beantwortet
How can I solve the periodic function with ode45 solver?
Hi, use the mod-command to account for ther periodicality of t. tspan=linspace(0,0.08,1000); [t,y]=ode45(@odefun,...

fast 7 Jahre vor | 0

Beantwortet
How to solve for a in a double nested loop.
sorry for the late answer. Here is the code: %defining constants tic Ti=600:1:850; y_A=0.001:0.0001:0.01; ...

fast 7 Jahre vor | 0

Beantwortet
How can I make a bvp4c solution more stable?
Hi Torsten, thank you for the time you spend on this problem. The whole issue is about the calculation of yo, the retentate ...

fast 7 Jahre vor | 0

Beantwortet
Not Enough Input Arguments ode15s
Here is the code: please ask if you have any further queries. theta_0=1; % put your values here theta_dot_0=2; ...

fast 7 Jahre vor | 0

Beantwortet
How can I make a bvp4c solution more stable?
Hi Torsten, thanks for the answer. Here is the code for calling the BVP4C: % initial conditions at x=1 (retentate inlet)...

fast 7 Jahre vor | 0

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Solving non linear equation with a range in MATLAB (problem)
Hi Abdullah, here is the code with comments: x=[-40:5:30]'; % x in rad or °? Matlab uses rad n = size(x,1); ...

fast 7 Jahre vor | 0

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How to solve for a in a double nested loop.
I think you must provide more detail to get a good answer. Is g a vector of three dimensions (a,b,c) or is the result a scalar? ...

fast 7 Jahre vor | 0

Beantwortet
Store solution in linear iterative solver using CGS/biCG
Not sure if this will work, but might worth a try: Have you tried to provide A with a function handle @(x) A(x)? In the function...

fast 7 Jahre vor | 0

Frage


How can I make a bvp4c solution more stable?
Hello community, I have a problem with the stability of the BVP4C-solution when the derivative becomes very small. The equati...

fast 7 Jahre vor | 7 Antworten | 1

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Beantwortet
ode within fsolve routine
wow, if you have only spend half the time for writing as I have been spending for reading and trying to understand you have made...

fast 7 Jahre vor | 0

Beantwortet
ode within fsolve routine
ok, thanks for this. It seems I have to dig a little deeper into the arcane art of using function handles. My deductions are...

fast 7 Jahre vor | 0

Frage


ode within fsolve routine
Hello Matlab-community, I have a problem with a physical model of a membrane. I have to integrate a set of derivatives from t...

fast 7 Jahre vor | 3 Antworten | 0

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