Snoopy

Last seen: 20 Tage vor | Aktiv seit 2015

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MATLAB
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Beantwortet
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...

8 Monate vor | 0

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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...

8 Monate vor | 2 Antworten | 0

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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...

12 Monate vor | 1 Antwort | 0

1

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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...

etwa ein Jahr vor | 1 Antwort | 0

1

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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? ...

etwa ein Jahr vor | 4 Antworten | 2

4

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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 ...

etwa ein Jahr vor | 1 Antwort | 0

1

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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 ...

mehr als ein Jahr vor | 1 Antwort | 0

1

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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?

etwa 2 Jahre vor | 1 Antwort | 0

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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...

etwa 2 Jahre vor | 1 Antwort | 0

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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...

etwa 2 Jahre vor | 0 Antworten | 0

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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...

etwa 2 Jahre vor | 1 Antwort | 0

1

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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...

etwa 2 Jahre vor | 1 Antwort | 0

1

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

etwa 2 Jahre vor | 2 Antworten | 1

2

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Beantwortet
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...

etwa 2 Jahre vor | 0

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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...

mehr als 2 Jahre vor | 1 Antwort | 1

1

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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 ...

mehr als 2 Jahre vor | 1 Antwort | 0

1

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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...

mehr als 2 Jahre vor | 1 Antwort | 0

1

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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 ...

mehr als 2 Jahre vor | 0 Antworten | 0

0

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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...

mehr als 2 Jahre vor | 0 Antworten | 0

0

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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...

mehr als 2 Jahre vor | 1 Antwort | 0

1

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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(...

mehr als 2 Jahre vor | 1 Antwort | 0

1

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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...

mehr als 3 Jahre vor | 2 Antworten | 1

2

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

etwa 5 Jahre vor | 1 Antwort | 0

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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 ...