Snoopy

Last seen: 3 maanden ago | Active since 2015

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Question

Making random to work like randi
I have this code idx = randi(N_clusters,N_clusters,1); but I want to use the random function to achieve the same output. I do...

3 maanden ago | 2 answers | 0

2

answers

Answered
Automatic line selection bug
Why not make this optinal. I do not get what this huge white space is for...

11 maanden ago | 0

Answered
Automatic line selection bug
Technical Support's reply: "Unfortunately, this behavior is not a bug. This is an enhancement and intentional change made in R20...

11 maanden ago | 0

| accepted

Question

Automatic line selection bug
When I click on a line in the Editor and scroll the mouse cursor up or down, MATLAB automatically selects and highlights across ...

11 maanden ago | 3 answers | 0

3

answers

Question

Can the random function accommodate the randi function?
I am using randi([0,1],[N,1]); to randomly generate 0s and 1s. If I am not mistaken, the random function is replacing the...

11 maanden ago | 2 answers | 0

2

answers

Question

Is giving a space after comma in functions the convention?
I more often see y = pdf('t', x, df); than y = pdf('t',x,df); That is, people often give a space after comma when writing t...

ongeveer een jaar ago | 3 answers | 0

3

answers

Question

How does MATLAB generate the probability density function?
I am using the pdf function (https://nl.mathworks.com/help/stats/prob.normaldistribution.pdf.html) to just visuilize the pdf of ...

ongeveer een jaar ago | 2 answers | 0

2

answers

Answered
What are the specifics of MATLAB home license?
To determine which add-ons cannot be used on Home license, - go to https://nl.mathworks.com/pricing-licensing.html?prodcode=ML...

ongeveer 2 jaar ago | 0

Question

What are the specifics of MATLAB home license?
I would like to ask two quesitons. First, I am trying to understand the difference between home and professional version of MATL...

ongeveer 2 jaar ago | 2 answers | 0

2

answers

Question

Why does the table command change display format?
I set the display format to "short" because I want that 4 digits are shown after the decimal point, like 0.3124. I crate a "tabl...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question

Saving a structure array, not fields of it
I have a structure array called s1 in the Workspace. I want to save it as it is so that when I load it, I want to see just s1 in...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question

Why DerivativeCheck would be allowed to be on while there is no GradObj?
When GradObj is off, and DerivativeCheck is on, fmincon starts to run without any error or warning. Why would this be the case? ...

meer dan 2 jaar ago | 4 answers | 2

4

answers

Question

Why does an array have a different column dimension than the array used to define that array?
I enclose a m file and a small data file. A is a column array with dimension 3233 by 1. B is a column array defined using A and ...

bijna 3 jaar ago | 1 answer | 0

1

answer

Question

Right-hand text limit does not appear in script file
I have several script files. In some the right-hand text limit appears while in few others it does not. When I delete some code ...

bijna 3 jaar ago | 1 answer | 0

1

answer

Question

MATLAB Add AWS Credentials error
I am trying to setup an AWS account within MATLAB. I get the error in the enclosed screenshot. Can anyone help?

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question

Do I need to initiate the parallel computing toolbox for my code to run on multiple cores?
I have a function that I minimize using fmincon. I am exploring the possibility of making my code run faster. I got rid of all f...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question

Why Halton draws do not lead to standard normal draws?
fun.m is a function generating Halton draws and standard normal draws based on that. Copyright information: the function is a si...

meer dan 3 jaar ago | 0 answers | 0

0

answers

Question

Why does my objective function return complex?
I have a likelihood function that I need to minimize. I use fmincon to search for the minimum. Iterations of fmincon sometimes s...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question

Can this for loop be vectorized?
The for loop below runs over the third dimension (page) to fill the alpha array. Is it possible to vectorize this for loop? al...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question

Can MATLAB be made cheaper?
I use MATLAB intensively for econometric research but also teaching. There is an increasing pressure or recommendation from both...

meer dan 3 jaar ago | 2 answers | 1

2

answers

Answered
Is it possible to publish MATLAB code that can be executed online?
I managed to publish my code as html. Please see https://matlab.mathworks.com/users/mwa0000001754528/Published/html/exercisesims...

bijna 4 jaar ago | 0

Question

Histogram of overlaid standard normal draws
The code below overlays histograms of two sets of standard normal draws. I also attach the graph itself. These draws are based o...

ongeveer 4 jaar ago | 1 answer | 1

1

answer

Question

fmincon and the Objective function returned NaN warning
I minize the negative of a log-likehood function to estimate the parameters of a mixed logit regression model. I use fmincon to ...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question

GlobalSearch and fmincon options
I use GlobalSearch for minizing a function. I use fmincon as the solver. Does using fmincon as the solver mean that I can make u...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question

Lower and Upper bounds in GlobalSearch
I am maximizin a log-likelihood function in an empirical econometric research to estimate a mixed logit model. For this purpose ...

ongeveer 4 jaar ago | 0 answers | 0

0

answers

Question

Generating independent Halton sequences in same session
I would like to create two Halton sequences which should be independent of each other. I use the code below. I am worried that t...

ongeveer 4 jaar ago | 0 answers | 0

0

answers

Question

10 raised to the power
When I multiply two matrices element wise (which is probably not important to my question), some numbers appear as 3.40000000000...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question

Size of the unique elements and size of the output of accumarray
Why are the sizes of the two arrays, unique and accumarray, not the same? size(unique(MAT(:,1))) size(accumarray(MAT(:,1),MAT(...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question

Is it possible to publish MATLAB code that can be executed online?
I have simple .m file. It contains a simulation that demonstrates the law of large numbers with a figure. What I want to do is t...

ongeveer 5 jaar ago | 2 answers | 1

2

answers

Question

Link to MATLAB documentation
In the MATLAB documentation, the "random" function is explained here https://nl.mathworks.com/help/stats/prob.normaldistribution...

meer dan 6 jaar ago | 1 answer | 0

1

answer