Hari

Last seen: 10 jours il y a | Actif depuis 2016

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Finding neighbours of links in a graph
For a graph as shown below, how can I list the immediate neighbours as well as neighbours of neighbours of a link For example...

3 mois il y a | 1 réponse | 0

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Question

Incompatible indexing of variable for parfor
I have a variable Network which is a cell array of size 5x12. Each cell is 76x1 double. Inside the parfor loop, in every iterat...

4 mois il y a | 1 réponse | 0

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réponse

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Custom creation function for GA
The calling syntax for cutom creation function is function Population = myfun(GenomeLength, FitnessFcn, options) How can I ad...

4 mois il y a | 1 réponse | 0

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Multiple population Genetic Algorithm
I am using the built in GA function for optimisation with customised creation, crossover, mutation and fitness functions. I have...

5 mois il y a | 2 réponses | 0

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réponses

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Deleting rows of a matrix based on values from another matrix
I have a m x 3 matrix A, and a nx1 matrix B. I need to remove those rows of A if either column 1 or 2 of the matrix equals any v...

7 mois il y a | 2 réponses | 0

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Finding area of a graph
I have a graph and the coordinates of its nodes are known. Is there a matalb function to find the area of the graph?

8 mois il y a | 1 réponse | 0

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Writing fitness function in multi objective GA
If I need to go for a multi objective optimisation in GA, how can I bring in the two objectives in a custom made fitness functio...

8 mois il y a | 2 réponses | 0

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réponses

Question

Minimum spanning tree of a graph
Does the minimum spanning treee algorithm in matlab provide all possible minimum spanning trees, if not unique?

8 mois il y a | 2 réponses | 0

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Linking nodes using links in a graph based on information from another layer
Is it possible to work with layers in matlab? The first layer should contain the graph network with nodes and edges (which repre...

9 mois il y a | 1 réponse | 0

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Question

List of Node pairs
How can I get a matrix of node pairs from a graph? That is, if there are 4 nodes 1,2,3,4, then the node pair matrix would be : ...

plus d'un an il y a | 3 réponses | 0

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réponses

Question

Finding number of independent pathways in a graph
I want to find the number of independent pathways between each node pair in a graph. 2 pathways between a node pair is said to b...

plus d'un an il y a | 1 réponse | 0

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Multipying each element of a matrix with average of elements in other matrix
I have a 3x3 matrix(A) with all diagonal elements 0, and 3x1 matrix(B). I want to multiply each element of the 3x3 matrix using ...

plus d'un an il y a | 2 réponses | 0

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réponses

Question

Checking if an edge in a graph intersects other edges
I have a 2D undirected network created using graph function in matlab (using the coordinates of the nodes). I want to add some e...

plus d'un an il y a | 1 réponse | 0

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Question

Checking if 2 edges in a graph are connected
I have plotted an undirected network using graph function in matlab. How can I check if 2 nodes in the network are connected by ...

plus d'un an il y a | 1 réponse | 0

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Question

Generating random planar graphs where nodes have fixed coordinates
Is there a matlab code to generate random planar graphs where the position of nodes is fixed and only link connections change?

presque 2 ans il y a | 1 réponse | 0

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Question

Euclidean distance for a graph
Is there an inbuilt function in matlab or a short cut which calculates the Eucliedan distance or crow fly distance between every...

plus de 2 ans il y a | 2 réponses | 0

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réponses

Question

Highlighting edges of a graph
How do I highlight specific edges of a graph? Let's say for the figure given below, I need to highlight the edges 9-16 and 8-15....

plus de 2 ans il y a | 3 réponses | 0

3

réponses

Question

Node Pair list from a graph
How can I get a matrix of node pairs from a graph? That is, if there are 4 nodes 1,2,3,4, then the node pair matrix would be : ...

plus de 2 ans il y a | 1 réponse | 0

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réponse

Question

Path between 2 nodes in a graph
How to check if a path exists between two nodes in a graph?

plus de 2 ans il y a | 2 réponses | 0

2

réponses

Question

Compiling matlab code for the cluster
I am using 2015b version of matlab on windows. I am planning to run my program on a high performance computer. The basic require...

presque 6 ans il y a | 1 réponse | 0

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Question

Updating x in fitness function
For a custom vectorised fitness function like this, FitnessFunction = @(x) my_fitness(x,a,b); I need to modify the value...

presque 6 ans il y a | 1 réponse | 0

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Question

About Preallocating for speed
What is a more efficient way of writing this code? NumberedOD = []; for a = 1:(N-1) for b = (a+1) :N Numbe...

presque 6 ans il y a | 1 réponse | 0

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Question

Genetic algorithm slowed down in the successive generations
I have customized the creation, crossover and mutation functions in Genetic algorithm. The program works without errors but the ...

presque 6 ans il y a | 1 réponse | 0

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Question

Specifying constraints for optimization using GA
For a customized GA optimization as in the Traveling Salesman Problem example in matlab documentation, how to specify the constr...