Question

Mixed boundary condition in pdepe solver
I'm solving the following 1D convection diffusion system in pdepe solver. I've to impose no-flux boundary condition at bot...

presque 7 ans il y a | 1 réponse | 0

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Question

Save variables while using ode solver
[t,y]=ode45(@fun,tspan,yo); function dy=fun(t,y) dy=zeros(3,1); constant1 = k1*y(3) dy(1)= constant1; dy(2)...

presque 7 ans il y a | 1 réponse | 0

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Question

Setting the scale of colorbar while plotting heatmap
I am trying to plot multiple heatmaps using subplot for i = 1:10 x(i).data = rand(10,10) end scale = 1:10; p =1; for j ...

presque 7 ans il y a | 1 réponse | 0

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Question

Running multiple simulations simultaneously
I'm solving a system of odes present in function1 for different set of initial conditions. for i = 1:10 x0 = ...

presque 7 ans il y a | 1 réponse | 0

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Question

Slicing a matrix into multiple matrices
I would like to slice a matrix and create multipke matrices out of it. For example, I've the following matrix A =rand(10,8...

presque 7 ans il y a | 1 réponse | 0

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Question

Delete and add new edges in a graph
Hello, I am trying to add new nodes between two nodes that already exist in a graph. For example, I have a graph with two node...

environ 7 ans il y a | 1 réponse | 0

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Question

delete and insert entries in a vector
Hi All, I have the following vector c = [1 1 3 4 5 6 7 8 11 10] I have to delete entries in position 2 and 9 c_idx = 1:le...

environ 7 ans il y a | 1 réponse | 0

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Question

Separate numbers from text
I have the follwing character array C = {'LAN310'} {'SHA550'} Expercted result: C = [ 310 550] From one of th...

environ 7 ans il y a | 2 réponses | 0

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Question

Adding weights to a graph
Hi All, I have the following graph. NNode = 11; tail = 1:NNode-1; head = 2:NNode; Graph = graph(tail,head); Graph.Edges...

environ 7 ans il y a | 1 réponse | 0

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Question

Saving a graph with edges and nodes
Hi All, I have the following graph with nodes and edges. This graph is creadted in a function defined in file create.m. Can th...

environ 7 ans il y a | 1 réponse | 0

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Question

Solving 1D advection equation
I am trying to solve the following pde equation using pdepe In addition to initial condition, is it required to specify b...

environ 7 ans il y a | 1 réponse | 0

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Question

Solving advection diffusion pde
I want to solve the above pde with the given boundary and initial conditions. I came across the pdepe function in MATLAB. I...

environ 7 ans il y a | 1 réponse | 0

1

réponse

Question

Finding non-constant species in Simbiology Object
I'm reading an sbml file to create a Simbiology object modelObj = sbmlimport('File.xml'); I'd like to see the species that a...

plus de 7 ans il y a | 1 réponse | 0

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Question

Question on using cvode solver
Hi All, I have an sbml model. I get different results while simulating the model with ode15s in Simbiology and cvode in COPASI....

plus de 7 ans il y a | 1 réponse | 0

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Question

Question on specifying input to sbiosimulate
I'm using sbiosimulate to solver the model loaded from an xml file [t, x, names] = sbiosimulate(modelObj); modelObj has the ...

plus de 7 ans il y a | 2 réponses | 0

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Question

Accessing a variant object
I have a variant object of the following form ContentIndex: Type: Name: Property: Value: ...

plus de 7 ans il y a | 1 réponse | 0

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Question

Output of sbiosteadystate task
I'm using [success, variant_out] = sbiosteadystate(modelObj) to find the steady states of the non-constant species in my mode...

plus de 7 ans il y a | 1 réponse | 0

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Question

How to set up estimation method in sbiofit
Hi All, I'm trying to estimate parametrs in my model using parameter estimation task in SimBiology toolbox.In the documentation...

plus de 7 ans il y a | 1 réponse | 0

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Question

Setting variables to constants in MATLAB
I have a set of differential equations and I want to set some of the variables to be constant. For instance, dy1dt = f(..) ...

plus de 7 ans il y a | 1 réponse | 0

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Question

How to run the model in SBML file?
Hi All, I have a differential equation model(kinetic model) in sbml file. I want to run this model using ode15s solver. How ...

plus de 7 ans il y a | 1 réponse | 0

1

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Question

Question regarding passing input arguments in fmincon
Hi All, I am solving an optimization problem.There are no equality constraints in my model. I want to pass ODEs as constraint ...

plus de 7 ans il y a | 1 réponse | 0

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Question

Parameter estimation using shooting method
Hi All, I want to do the following, I have a set of 20 first order differential equations and I want to estimate some of the...

plus de 7 ans il y a | 1 réponse | 0

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Question

Parameter estimation - How to input experiment data?
Hi All, I want to perform parameter estimation of the following ode model. 5 parameters have to be estimated after perfo...

plus de 7 ans il y a | 1 réponse | 0

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Question

Fix the maximum number of iterations while using ode solvers
Could someone let me know to fix the maximum number of ierations while solving a set of differential equation using ode15s? I...

plus de 7 ans il y a | 1 réponse | 0

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Question

Solving system of equations with constraints
I am solving a system of linear equations with constraints using linprog. Aeq = [-1 0 1 0 0 0 0;1 -1 0 -1 0 0 0;0 1 0 0 1 0 0;...

plus de 7 ans il y a | 2 réponses | 0

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Question

Stiff differential equation solvers
I'm trying to understand how the stiff differential equations are solved in ode5s and ode15i. If my understanding is right, sti...

plus de 7 ans il y a | 1 réponse | 0

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Question

Access to a reference
I'm looking for the refernce provided in the end of this page, https://in.mathworks.com/help/matlab/ref/ode15i.html I don't ...

plus de 7 ans il y a | 1 réponse | 0

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Question

Defining mass matrix for solving transport equation
I want to solve the following 1-D pde which is discretized in spacial direction to solve using ode15s. Dc/Dt = D*D^c/Dx^2 - v*...

plus de 7 ans il y a | 1 réponse | 0

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Question

Factorizing a matrix with 1's along diagonal
I want to factorize the follwoing matrix, A= 2 -1 0 0 -1 2 -1 0 0 -1 2 -1 ...

plus de 7 ans il y a | 1 réponse | 0

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Question

Question regarding xmesh option in pdepe solver
The command xmesh is given as an input to the pdepe solver. For example xmesh = 1:1:10 Does this mean the solver internally...

plus de 7 ans il y a | 1 réponse | 0

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