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Last seen: 6 maanden ago Active since 2019

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How to run multiple Matlab (Linux) scripts in other directories?
In case you are interested, this line of code worked. parallel -j0 'cd {//} && sh {/}' ::: \$path

meer dan een jaar ago | 0

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Question

How to run multiple Matlab (Linux) scripts in other directories?
Hi, I need to run multiple matlab script out of scritp path. I have tried to generate the following bash script using the parall...

meer dan een jaar ago | 1 answer | 0

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Question

Why do the random numbers repeat in each run?
Hi, I have the following issue. I see that when I run this function to generate a number of perturbations num_perm to a given ar...

meer dan een jaar ago | 1 answer | 0

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Question

How can I rotate 2D plot in Matlab?
Hi, how can I rotate 2D graphics? I have tried using the view(), camroll() functions but it deforms the figure. I want to rotate...

meer dan een jaar ago | 1 answer | 0

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Question

Generate coordinates for plotting a hexagonal mesh with the nsidedpoly function
Hi, I am trying to plot a hexagonal mesh using the nsidedpoly function as shown in the following code. I am taking the coordinat...

bijna 2 jaar ago | 1 answer | 1

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Question

Assign a colormap to an array to plot with the nsidepoly function.
Hi, this code plots a hexagonal mesh using the nsidedpoly function, where each hexagon is labeled with the corresponding r-value...

bijna 2 jaar ago | 1 answer | 0

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How to use the break command in nested loops?
Hi, I have a problem using the break command in the following code. When I use the break I exit the loop j, but I want to restar...

bijna 2 jaar ago | 1 answer | 0

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How to use the parfor function inside a for loop?
Hi, I am trying to use the parfor function for parallel calculation inside a for loop. I have a problem to define the variables ...

ongeveer 2 jaar ago | 1 answer | 0

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How to create concentric circles?
Hello, I want to generate a series of concentric circles by filling each ring with a different color. The result I want to obtai...

meer dan 2 jaar ago | 1 answer | 0

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Find contiguous positions in a hexagonal array.
Hi, I am currently working on an optimization problem using Genetic Algorithms (GA). The image shown in Figure 1 is a pattern ob...

meer dan 2 jaar ago | 0 answers | 0

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Submitted

Ordered Crossover Operator for Permutations-based Problems
Ordered Crossover Operator (OX) used in optimization problems such as the Traveling Salesman Problem (TSP).

Question

Control random number generation
I have a question about the rng(seed) (random number generator) function. I have a code with which I call several functions in w...

meer dan 2 jaar ago | 1 answer | 0

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How to assign a given value to an element of an array without repeating it.
Hello, I need to change the value of an element of the array x for a random value but that this is not repeated in the array. Wi...

meer dan 2 jaar ago | 1 answer | 0

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Question

Error using a structure array in a for loop.
Hello, When I use the structure array ('new_popc.Position') in a loop I get the following error after the second iteration: '...

meer dan 2 jaar ago | 1 answer | 0

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Question

Find repeated values in an array, by column and rows (unique function).
Hi, I want to find the repeated vectors in an array where I have n columns and m rows. For example in the following array: ARRA...

meer dan 2 jaar ago | 2 answers | 0

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How to store values of iterations during a for loop?
I have the following problem, I have three for loops, and I need to store the number of iterations that correspond to the second...

meer dan 2 jaar ago | 1 answer | 0

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Question

Extracting data from an unformatted text file
Hi, I want to extract certain values from an unformatted text file, in the example I use the regexp function entering the form...

meer dan 2 jaar ago | 0 answers | 0

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Question

How can I find the nonzero values in an cells array?.
The following code generates an cell array Index [1x29], where each cell is an array [29x6]: for i = 1 : size(P1_cell,1) f...

bijna 3 jaar ago | 1 answer | 0

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Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

bijna 3 jaar ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

bijna 3 jaar ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

bijna 3 jaar ago

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How to match two arrays
Hi, how can I make the match two following arrays? I want to obtain a 29x1 array with the position of the corresponding match. ...

bijna 3 jaar ago | 1 answer | 0

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Question

Cell array construction operator
I want to use GNU Octave to run my simulation but I have the following problem with the following array, for i = 1:length(ARRAY...

bijna 3 jaar ago | 1 answer | 0

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Question

Size of each cell
I need to know the size of each cell based on the following code: ARRAY = randi(20,20,2); for i = 1:length(ARRAY) ...

bijna 3 jaar ago | 2 answers | 0

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How to find repeated values in an array?
How can I find repeated values by columns in an array (12x2)? A = 26 24 28 35 31 34 33 31 33 31 33 28 ...

bijna 3 jaar ago | 1 answer | 0

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Find repeated values in a matrix
How can I find repeated values at the same time in two columns of an array (12x2): A = [26 24 28 35 31 34 33 31 ...

bijna 3 jaar ago | 1 answer | 0

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Question

Reshape an Matlab array
I have the following arrangement (84x2): RELOADING_PATTERN = [... 26 24 26 35 27 34 27 33 26 33 25 34 25 35 ... ] ; ...

bijna 3 jaar ago | 1 answer | 0

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Parallel Computing in Optimization Toolbox
I want to use the GA toolbox for optimization but with the parallel option ('UseParallel', true). options = optimoptions(@ga,...

ongeveer 3 jaar ago | 0 answers | 0

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Question

Nonlinear inequality in GA optimization with integer constraints
Hi, I am using GA optimization tool. The problem I am solving contains integer constraints (IntCon), but I need to set a non-lin...

ongeveer 3 jaar ago | 1 answer | 0