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Tejas


Last seen: 3 years ago |  Active since 2020

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Improving efficiency of using tables
A simple working example of my code is given below. % Initialization num = 10; time_limit = 10000; agent = array2table(zeros(...

3 years ago | 1 answer | 0

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Question


Get indices of all rows containing a value - repeated or not
Say I have the following id = (1:5)'; rng(1); x = randperm(10,5)'; y = randperm(10,5)'; nodes = table(id,x,y) connections ...

3 years ago | 1 answer | 0

1

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Question


Remove a string from another string
I have two strings like 'bio-inspired' and 'bioinspired'. I want to essentially subtract one string from another and get '-' in ...

3 years ago | 2 answers | 0

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answers

Answered
Shortest path constrained to use specific nodes
Okay, I realised if I assign weights like: G = graph([1,2,3,4,5],[2,3,4,5,1],[Inf,1,1,1,1]); Then I do get shortestpath(G,1,3...

3 years ago | 0

Question


Shortest path constrained to use specific nodes
Let's say I have a simple graph: G = graph([1,2,3,4,5],[2,3,4,5,1]); I want to find the shortest path from 1 to 3. The shortes...

3 years ago | 3 answers | 0

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answers

Question


Alternative to using structs as reduction variables in parfor loop
My code initializes a struct (say init_s) with about 9 fields before going into a parfor loop of iterations (as s). Over a singl...

4 years ago | 1 answer | 0

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answer

Answered
pdist2 with wrapping
I have the following manual (and rugged) method for this question, while someone formulates an elegant and efficient solution. T...

4 years ago | 0

Question


pdist2 with wrapping
I have a square area of gridpoints and I'm trying to create a graph where each point is joined to its neighbouring points based ...

4 years ago | 2 answers | 0

2

answers

Question


Find words common across multiple string cells
I have a cell array where each cell has a string of different length, and each string is essentially a column of single words. S...

4 years ago | 1 answer | 0

1

answer

Question


Form maximum unique squares with centers in a given area
I have an array attached to this question. This array is composed of gridpoints converted into indices for a 100x100 area. Doing...

4 years ago | 0 answers | 0

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Question


Arrange words and phrases separated by semi-colon into a single column
I am analyzing some journal articles using their keywords. I extracted the keywords from a publication, and they have been saved...

4 years ago | 1 answer | 0

1

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Question


Using struct as a reduction variable in parfor loop
I have a code which, simply put, runs in the following way %Previous code from which the structs p, a, fa, s are initialized. T...

4 years ago | 1 answer | 1

1

answer

Question


Call fields of struct more efficiently in a loop
I want to do the following more efficiently. vec.time = [1000,5000]; vec.nest = {'center','corner'}; vec.grid = [50,100,1000]...

4 years ago | 1 answer | 0

1

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Question


If expression to check whether a particular function has been called
What should I write in the expression for the 'if' statement when I want to check if the script has called a particular function...

4 years ago | 1 answer | 0

1

answer

Question


Coordinates of the shortest path between two points in a 2D grid
I have a square grid of a specific size, say 50 x 50. There are two points, a source, say (1,1), and a destination, say (26,35)....

4 years ago | 3 answers | 1

3

answers

Question


Plot surfaces with random peaks
I'm working on a project where I want to run random walks on 3D surfaces with multiple peaks. In order to do this, I'm looking f...

4 years ago | 1 answer | 0

1

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Question


Update workspace variables in a loop
I'm running a for loop in which, at the end of every iteration, a graph is plotted. I need to see the changes happening over the...

4 years ago | 0 answers | 0

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