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Implementing boundary condition in pdepe
From the general expression of a pde given here Could someone check if the following implementation of the boundary cond...

6 years 前 | 1 个回答 | 0

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coloring node and edge of a graph
I have a graph with values assigned to nodes and edges, t = 1:4; h = 2:5; g = graph(t,h); plot(g) g.Edges.value = [10; 20...

6 years 前 | 2 个回答 | 0

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Obtaining laplacian of a graph
The Neumann Laplacian of a simple graph(G) can be formed from the commands degree(G) and adjacency(G), L= D- A . Could someone...

6 years 前 | 0 个回答 | 0

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Question on using addedge()
How do we use addedge to assign weights to a graph containing edges with multiple edge weigths(Value1 and Value2, in my example)...

6 years 前 | 1 个回答 | 0

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Modify the weight of few edges in Graph
I have the following graph with 4 edges. tail = [1 2 3 4]; head = [2 3 4 5]; G = graph(tail,head) G.Edges.Value = zeros(4...

6 years 前 | 1 个回答 | 0

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Drawing a directed graph
I have the following graph, function Digraph() Edges = [1 2;2 3;3 4; 3 5;4 5;4 6;5 6;6 7] t= Edges(:,1) h = Edges(:,2) G =...

7 years 前 | 1 个回答 | 0

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Solving a system of linear equations with a few known variables
I'm solving the following system of linear equations, Ax = b, some of the x's are knowns. For example, A= -12 12 ...

7 years 前 | 2 个回答 | 0

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Finding the pseudo inverse of a matrix
I'm trying to find the inverse of the following matrix A = -185.0685 185.0685 0 185.0685 -274.3238 89.2553 ...

7 years 前 | 3 个回答 | 1

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Alternatives for concise representation of conditional statements
I have the following code with multiple conditional statements . Could someone suggest if there is a consice way of writing the ...

7 years 前 | 1 个回答 | 0

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How to find the Laplacian of a Graph with multiple edges
I'm using MATLAB online version 2018b. I'd like to ask for help in using the laplacian function in graph. The adjacency(A) a...

7 years 前 | 2 个回答 | 0

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Importing a list of tuples genrated in python to MATLAB
I have a list of tuples generated in python. The list is save in a text file and loaded in MATLAB. [(2, 4), (2, 12), (2, 8)] ...

7 years 前 | 1 个回答 | 0

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Assigning weights to edges of a graph
I have the following graph created using the following code, tail = [1 2 3 4 5 6 6 7 8 9 10 12 13 14 15]; head = [2 3 4 5 6...

7 years 前 | 0 个回答 | 0

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Question on implementing Danckwert's boundary condition
I have the following code, which solves for the change in concentration of a species along the length of a channel of length L ....

7 years 前 | 0 个回答 | 0

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Creating a matrix-differential equation from C file
I have a set of differential equations in C(created from a tool that takes an xml input), in the following form #ifdef OD...

7 years 前 | 0 个回答 | 0

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Plotting Nullcline of ODE
Dear All, I am trying to plot the nullcline of a system of two ode's.I would like to ask for help to do the same. The code...

7 years 前 | 0 个回答 | 0

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time dependent sensitivity analysis
I would like to get some advice on how to perform a time dependent sensitivity analysis in SimBiology.For,instance in COPASI too...

8 years 前 | 1 个回答 | 0