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Hari


Last seen: 3 days ago |  Active since 2016

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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...

3 days ago | 1 answer | 0

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answer

Question


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

10 days ago | 3 answers | 0

3

answers

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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...

3 months ago | 2 answers | 0

2

answers

Question


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?

4 months ago | 1 answer | 0

1

answer

Question


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...

4 months ago | 2 answers | 0

2

answers

Question


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

4 months ago | 2 answers | 0

2

answers

Question


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...

5 months ago | 1 answer | 0

1

answer

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 : ...

1 year ago | 3 answers | 0

3

answers

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...

1 year ago | 1 answer | 0

1

answer

Question


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 ...

1 year ago | 2 answers | 0

2

answers

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...

1 year ago | 0 answers | 0

0

answers

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 ...

1 year ago | 1 answer | 0

1

answer

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?

1 year ago | 0 answers | 0

0

answers

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...

2 years ago | 2 answers | 0

2

answers

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....

2 years ago | 3 answers | 0

3

answers

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 : ...

2 years ago | 1 answer | 0

1

answer

Question


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

2 years ago | 2 answers | 0

2

answers

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...

5 years ago | 1 answer | 0

1

answer

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...

5 years ago | 1 answer | 0

1

answer

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...

5 years ago | 1 answer | 0

1

answer

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 ...

5 years ago | 1 answer | 0

1

answer

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...

5 years ago | 1 answer | 0

1

answer

Question


Finding row index an element in cell array
How to find the row index of an element in a cell array if the cell array is non uniform like this: c= 1 [6,7] 6 7 7 ...

5 years ago | 1 answer | 0

1

answer

Question


Finding the indices of all minimum elements in a matrix
In Matlab, by the function min（）， one can get only one single minimum element of a matrix, even if there can be several equal mi...

5 years ago | 1 answer | 0

1

answer

Question


Passing extra input parameters for creation function in ga
How to add an extra input parameter to the creation function in genetic algorithm tool. I have read the documentation on passi...

6 years ago | 1 answer | 0

1

answer

Question


Customising creation function in GA optimisation tool
Bus route network design problem aims to find an optimal set of routes that satisfies a predefined objective and a set of constr...

6 years ago | 1 answer | 0

1

answer

Question


How to flip the individual elements in an array
I have a 3 x 1 cell array: [1,2,5] [1,2,4,5] [1,2,3,6,15,7] Is there a way to form a new cell array which includes...

6 years ago | 1 answer | 0

1

answer

Question


How to eliminate subset of paths?
I have a cell array of paths stored as a variable: [1,2,3,6,8,10] [1,2,4,6,8,10] [1,2,3,6,8,10,11] [1,2,4,6,8,10,11]...

6 years ago | 1 answer | 0

1

answer

Question


Matrix dimension error while trying to eliminate an element in cell array
I have written a function loop3 which calls a function kshortestpath (By Meral Sh.). kshortestpath finds k paths (as cell array...

6 years ago | 0 answers | 0

0

answers

Question


How to loop over a function again?
I have a pre-written function in matlab which is of the form : function [shortestPaths, totalCosts] = kShortestPath(netCostMat...

6 years ago | 3 answers | 0

3

answers