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Matrix calculation without a For loop
Hi. Suppose A is a 1D matrix of [1 by N], and D and C are two square matrix of [N by N]. I would like to calculate D and C with...

más de 7 años hace | 1 respuesta | 0

Pregunta

Merge two arrays one after each other by elemnets
I have an array a1=[1 2 3 4 ... 50] I also have string '*GOAL' I want to create a single string B that can produce: *GOAL...

más de 7 años hace | 1 respuesta | 0

Pregunta

generate a matrix from some vectors
Hi, I have an array A0 (with 1 by n elements), representing a sample with n variables. I also have two arrays LB and UB (each...

más de 7 años hace | 1 respuesta | 0

Pregunta

Repeat a string several times and put it somewhere in a text file
1.a: I have a piece of code that generates a particular text 10 times (see below), how can I do this without a loop? 1.b. I h...

más de 7 años hace | 1 respuesta | 0

Pregunta

How to select diagonal subplots of fig1 and put them into a new fig subplot
I have a figure with 17*17 subplots. How can I select the diagonal subplots of this figure and put them into a new figure with s...

casi 8 años hace | 0 respuestas | 0

Pregunta

too many subplots- not visible output
I have a matrix of 17*17 subplots as an output of a process. When I run the script to show the matlab figure with subplots, they...

casi 8 años hace | 1 respuesta | 0

Pregunta

The global variable is lost between workspaces
I have written a matlab file (base.m) for an optimization problem that uses the genetic algorithm also in which I declare a glob...

más de 8 años hace | 1 respuesta | 0

Pregunta

Does fmincon implement any types of self-scaling approach for BFGS or LBFGS?
Do you have any idea that if matlab's fmincon with "BFGS" and "L-BFGS" is using any type of self-scaling of Hessian at each iter...

más de 8 años hace | 0 respuestas | 1

Pregunta

Replace a string in a file with a 1D array--please don't close it
Hi all, Please help me with this question. I have been trying to find a simple way to do so. Please don't close this. I ha...

casi 9 años hace | 0 respuestas | 0

Pregunta

Replace a string in a file with a 1D array but in multiple lines
Hi all, Please help me with this question. I have been trying to find a simple way to do so. I have a 1D number array wit...

casi 9 años hace | 1 respuesta | 0

Pregunta

replace a string by a cell array in a text file
Hi, I have a text file 'TEXT.txt' with the following format DATA [$1] / I would like to use strrep('TEXT.txt', '[$...

casi 9 años hace | 2 respuestas | 0

Respondida
Find array elements that meet a condition an put them in a secondary array
Thank you for your help. As a secondary filtering on B, I would like to only retain the rows when the first element of any ro...

casi 9 años hace | 0

Pregunta

Find array elements that meet a condition an put them in a secondary array
Hello all, I have a 3D matrix A. For example suppose that A is as follows: A(:,:,1) = 0.1835 0.0811 0.4359 ...

casi 9 años hace | 5 respuestas | 0

Pregunta

Write a 1D matrix to a text file such that only 6 numbers printed in each line
Hello all, I have a long 1D matrix A for example say: A=A[1,2,3,4,5,6,...,21]; I want to write this matrix in to a tab delimit...

alrededor de 9 años hace | 1 respuesta | 0

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Many subplots: none of them are shown
Hi I have a matlab file that generates an upper triangle matrix of subplots. However when I try to run the script and open it ...

más de 9 años hace | 1 respuesta | 0

Pregunta

Using fmincon kills my computer by using all the memory of the PC (24 GB) for a 20-d problem
I am using fmincon for a 20-dimensional problem. My function is a costly function but definitely doesn't need so much memory...

más de 9 años hace | 0 respuestas | 0