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Martin Pecha


Con actividad desde 2018

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Estadística

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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 5 años hace | 1 respuesta | 0

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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)); ...

casi 6 años hace | 0 respuestas | 0

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

casi 6 años hace | 0 respuestas | 0

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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 ...

alrededor de 6 años hace | 1 respuesta | 0

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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...

más de 6 años hace | 2 respuestas | 0

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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 6 años hace | 0 respuestas | 0

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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 6 años hace | 0 respuestas | 0

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How to set values calculated from one ode45 as parameters to another ode45?
Hi I have 2 defined functions files (F1,F2) + main file. F1 depends on y and F2 depends on T. I call ode45 in main file for F...

más de 6 años hace | 0 respuestas | 0

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