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Last seen: 3 giorni fa Attivo dal 2021

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Domanda

How to only keep the legends I want
Hello, open Figure1.fig I have a simple question. The best and fastest way is to explain the problem using a figure (see the a...

15 giorni fa | 1 risposta | 1

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Domanda

How to extract the information in plot functions @saplotbestx,@saplotbestf of Simulated annealing inside output function?
Hello, I need to use simulated anealing as my optimization solver. Unfortunately & very sadly, I do not see 2 important piece...

2 mesi fa | 1 risposta | 0

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Domanda

Output function for Simulated Anealing
Hello, I am using Simulated anealing as my optimization solver. Unfortunately, I am unable to get what I want. When I look at t...

2 mesi fa | 0 risposte | 0

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Domanda

An unexpected discrepancy between xcorr, xcov and autocorr
Hello, I need to calculate the matrix of cross-correlations for a matrix data. However, I started to doubt about the way ma...

2 mesi fa | 1 risposta | 0

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Domanda

An issue with the command 'isAlways'
Hello, I have a simple question concerning the command 'isAlways' (appologies, if I am bothering you for a naive question). I d...

3 mesi fa | 1 risposta | 0

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Domanda

An implementation issue with MatlabFunction
Hello, I have a question which I explain by an example. function ll = LL(X1,X2,X01,X02,par1,par2,par3,par4,par5,par6) THE BO...

3 mesi fa | 1 risposta | 0

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Domanda

Pass a symbolic function as input to a function without passing its inputs
Hello, I have a question and I believe the best is to go to an example from the begining. Consider the following syms x y sym...

3 mesi fa | 1 risposta | 0

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Domanda

A symbolic implementation issue
Hello, I need to define a system of symbolic functions for a set of state variables. I explain by the following example: syms ...

3 mesi fa | 2 risposte | 0

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Domanda

Find elements having a specific row and column numbers in a matrix
Hello, I have a simple question but could not find a single command which can do the job. I explain via an example. Consider ...

3 mesi fa | 2 risposte | 0

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Domanda

Can we distinguish between variables and parameters in a symbolic function?
Hello, I have a simple (perhaps naive, if so my appology) question. Consider the following syms x f(x) x f(x) = a*x; Is th...

3 mesi fa | 2 risposte | 0

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Domanda

Two functions having the same name but one being capital?
Hello, When I google it I do not find anything saying that matlab is NOT case sensitive with regard to function names (so, then...

3 mesi fa | 3 risposte | 0

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Domanda

Convert a (rather complex) text file to mfile
Hello, I have a text file which is just a scan of an mfile. I need to convert this into an mfile (spent ours on it but unfo...

4 mesi fa | 1 risposta | 0

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Domanda

How to change the function name to match its file name in a code?
Hello, I have a simple question, I think! If we have a function named hello.m but its file name is called Hi then how to ch...

4 mesi fa | 0 risposte | 0

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Domanda

How to rename a lot of mfiles in a folder
Hello, I have a folder which contains many mfiles. I would like to change the name of these mfiles in a for-loop (they are too...

4 mesi fa | 3 risposte | 0

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Domanda

Numerical calculation of Hessian for a very complex problem
Hello, I need to estimate the numerical Hessian for my very complex high-dimensional function F. I first explain a bit on the c...

4 mesi fa | 2 risposte | 0

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Domanda

Can we manipulate a file without opening it
Hello, I have a question which I explain in bellow. Consider the following loop: for i=1:10^6 A = Read a csv file; A = per...

4 mesi fa | 2 risposte | 0

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Domanda

How to analyze a csv (txt or xls) file without opening it
Hello, I have an optimization problem in which I need to simultaneously run it several times using par-for. The reason is that ...

4 mesi fa | 0 risposte | 0

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Domanda

How to vectorize a complex function?
Hello, I have a rather complex function but I need to vectorize it in order to be able to use a matlab optimization package. My...

4 mesi fa | 1 risposta | 0

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Domanda

apparently the command rmoutliers does not do the job correctly
Hello, It seems to me that the command "rmoutliers" has some problems. To make things clear I explain using an example as bello...

4 mesi fa | 1 risposta | 0

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Domanda

A problem with function handle
Hello, I have a simple problem but I do not understand why function handle behaves like this!!! I explain by a simple example i...

4 mesi fa | 1 risposta | 0

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Domanda

Symbolic dependency apparently sometimes gives wrong answers
Hello, I have a simple question but could not figour out how to tackle it by myself. Consider the following: syms p1 y f=[p...

5 mesi fa | 3 risposte | 0

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Domanda

A rather different stopping criteria for particle swarm
Hello, I am working on an optimization problem where the objective function is non-smooth and even worse, it is not defined...

6 mesi fa | 0 risposte | 0

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Domanda

Inconvenience working with matlabFunction
Hello, One of you did kindly respond my question (my question was very similar to this one) but I again ran into problem and ne...

6 mesi fa | 3 risposte | 0

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Domanda

Inconveniences working with matlabFunction
Hello, I think that I am repeating the same sort of question I bothered you yesterday but I did not expect to run into peoble...

6 mesi fa | 1 risposta | 0

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Domanda

A MATLAB function with mixed scalar and vector as inputs fail
Hello, I have a question which I explain by a simple example first. Consider the matlab function H=@(x,x0,par1,par2)[x+par1 x...

6 mesi fa | 1 risposta | 0

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Domanda

Hello, I have downloaded a few matlab codes (which are about estimating the density and its higher order derivatives) whose ex...

7 mesi fa | 1 risposta | 0

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Domanda

Surrogate optimization throws error when I try to use the vectorized option
Hello, Attemting to use vectorized option in surrogate optimization fails and I am not able to figour out the reason behind. I...

7 mesi fa | 0 risposte | 0

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Domanda

Is it possible to implement optimization algorithms, especially particle swarm, with "dynamic bounds" in MATLAB?
Hello, I have a rather special optimization problem in which I found particle swarm a good solver. I know, roughly, where the o...

7 mesi fa | 2 risposte | 0

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Domanda

An error due to output function
Hellow, I am getting an error message which I did not expect (I explain why). I am solving an optimization problem. When I use ...

7 mesi fa | 1 risposta | 0

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Domanda

Parallel computing seems to do nothing in fmincon and patternsearch
Hello, I am using both fmincon and patternsearch algorithms. Note that, with regard to fmincon, I have no analytical gradient (...

7 mesi fa | 1 risposta | 0

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