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Snoopy


Last seen: 3 days ago |  Active since 2015

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

27 days 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...

27 days 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 ...

30 days 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...

30 days 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...

3 months 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 ...

3 months 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...

1 year 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...

1 year 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...

1 year 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...

2 years 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? ...

2 years 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 ...

2 years 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 ...

2 years 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?

2 years 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...

3 years 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...

3 years 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...

3 years 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...

3 years 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...

3 years 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...

3 years 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...

3 years 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 ...

3 years 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...

3 years 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 ...

3 years 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...

3 years 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...

3 years 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(...

3 years 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...

4 years 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...

6 years ago | 1 answer | 0

1

answer

Question


Creating a function that returns multiple graphs
I would like to create a function that returns as output arguments two different histograms such that in the script file either ...

6 years ago | 1 answer | 0

1

answer

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