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# Martin Pecha

8 total contributions since 2018

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Question

Morris method graph - I need help with interpretation
Hi, I run Morris method and I need help with interpretation of these graphs. I understand the influence concpet, however, not s...

más de 1 año ago | 1 answer | 0

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Question

I run fsolve for interval and only for one x it gives me wrong value
Hi, so I have this unexplainalbe thing for me. I have system of equations. %Posylyt res=zeros(1,2*(Ncell-1+Ncell-1+Ncell)); ...

más de 1 año ago | 0 answers | 0

### 0

Question

Need help with sensitivity analysis tool
Hi, This is my model structure Pressure - calculating flowrates and pressures using balance equations and fsolve VRFB file - ...

más de 1 año ago | 0 answers | 0

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Question

Error: Failure in initial user-supplied objective function evaluation. FSOLVE cannot continue.
Hi, I am trying to solve set of nonlinear equations res - I try to calculate flow rate distribution in system of pipes lets say ...

casi 2 años ago | 1 answer | 0

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Question

I need to put data from columns in different cells into one vector
Hi, I have 1x20 cell and from each I need to take 4th column and put all of them in one long vector in order from 1-20. Moreo...

alrededor de 2 años ago | 2 answers | 0

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Question

I connected two systems of differential equations into one function file and it gives different values.
Hi, I have this original code which works fine. Ncycl=100; % - ... Number of cycles tspan=[0 6*3600]; tchar=cell...

más de 2 años ago | 0 answers | 0

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Question

How can I put Tn(n+1) and Tn(n-1) values into diff equations?
I need to calculate system of equations for transport of heat between the cells - total number of cells is Ncell=19. Problem is ...

más de 2 años ago | 0 answers | 0