提问

the isnumeric function and the NaN
I have a matrix array (A) that includes three column arrays. All columns contain integers except that one of the columns also in...

6 years 前 | 1 个回答 | 0

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Is fminunc a too careful search algorithm?
I minimise a log-likelihood function in MATLAB, and it takes about five minutes. I wanted to see how much time it takes in other...

6 years 前 | 0 个回答 | 0

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How to make conditional calculation?
I have two vectors, contained in matrix M, each with a dimension of 1000 by 1. Each vector contains integer numbers. The values ...

6 years 前 | 2 个回答 | 0

提问

warning about optimset and using optimoptions
Hi, I use the fminunc function and the optimset as options = optimset('GradObj','on','MaxFunEvals',1000,'MaxIter',1000,'Dis...

7 years 前 | 2 个回答 | 0

已回答
Is MATLAB a compiler?
From the answers above, I understand that a compiler and interpreter are two very different things, and therefore it does not ma...

7 years 前 | 0

已回答
Creating dummy variables from categorical variable
I would like to ask a question here. One should always vectorise the code where possible, as I read in the literature. But in th...

7 years 前 | 0

提问

Is MATLAB a compiler?
I have been using MATLAB for some time but I am still not clear how MATLAB compares to some alternative software in the followin...

7 years 前 | 3 个回答 | 1

提问

Creating dummy variables from categorical variable
Suppose there is a column vector array n containing unique but repeating values of the form 1 1 5 7 7 The ...

7 years 前 | 4 个回答 | 0

已回答
The "unique" function returns "Index exceeds matrix dimensions" error
Thanks a lot for the quick and detailed responses.

7 years 前 | 0

提问

The "unique" function returns "Index exceeds matrix dimensions" error
I have a .mat file loaded in the Workspace. I execute the command unique = unique(datafile.data(:,2)); It creates the u...

7 years 前 | 2 个回答 | 0

已回答
Why does MATLAB fail to load my preferred language on macOS Sierra?
Is language English, region Netherlands affected by the issue? Thanks.

8 years 前 | 0

提问

Computation of the standard error of a FGLS coefficient estimate
Hi, I use the MATLAB code below to calculate the standard errors of the coeffficients estimated by Weighted Least Squares (WL...

9 years 前 | 0 个回答 | 0