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Martin


自 2013 起处于活动状态

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统计学

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matlabpool open n; doesn't work.
Hi, I'd like to open matlabpool with a variable number of cores, to use the maximum number of cores available. So n would equ...

10 years 前 | 3 个回答 | 0

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Choose between for and parfor.
Hi, I want to run many simulations. For this I wrote "for" loop. I used parallel computing, using parfor instead; It works we...

10 years 前 | 1 个回答 | 0

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Sparse Array - Special Command?
Hi, I'm dealing with a sparse array. Given 2 arrays "col" and "val", I want to create a one-rowed sparse array of value val(i...

11 years 前 | 1 个回答 | 0

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Norminv in Matlab 2012
Brilliant, thanks!

11 years 前 | 0

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Norminv in Matlab 2012
Hi, Is there an equivalent of norminv for Matlab 2012? It doesn't seem to work in this version. I just need the inverse of th...

11 years 前 | 2 个回答 | 0

2

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multiply lines of a matrix by a line
Hi, given a matrix A = (Aij) and an horizontal array b = (bj), with B and A of the same width, is there a command that retur...

11 years 前 | 1 个回答 | 0

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"XXX" requires more input arguments to run
Hi, I have this message error when I accidentally pressed F5 on a child function. This is totally normal but I can't suppres...

11 years 前 | 11 个回答 | 2

11

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Problem decimals operations Matlab
Hi! I have a small problem on Matlab, while adding simple decimal numbers. It turns out that a small residual number appears...

11 years 前 | 1 个回答 | 0

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First non-zeros of a sparse array
Hi, I'm searching for the fastest way to get the index of the first non zero element of a sparse array. Only nonzeros have been ...

11 years 前 | 3 个回答 | 0

3

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Fastest way to fill in an array
Hi, I have written the following program, 3 ways to create the same array: number = 1e5; tic A = []; for i = ...

11 years 前 | 3 个回答 | 3

3

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A few questions on memory management of sparse matrices...
Hi, I have a bit of trouble with the space used by sparse matrices. I use two ways of creating the same matrix, say P: ...

11 years 前 | 0 个回答 | 0

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Decomposition in any base Matlab
Hi, I would like to know if there was a Matlab builtin function that decompose any integer in a chosen base, it would be somethi...

11 years 前 | 1 个回答 | 0

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How to deal with a huge matrix?
Hi! I'm dealing with a huge matrix: to give a little context if it makes sense, it is a transition matrix of a MDP, I thus ha...

11 years 前 | 1 个回答 | 0

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Preprocessor in Matlab 2013
Hi, I would like to know if there was a preprocessor in Matlab (R2013a). It would consist for example to automatically suppre...

11 years 前 | 1 个回答 | 0

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Memory used vs RAM
Hi! I'm using large arrays and the "Memory used by Matlab" is slightly bigger than the RAM of my PC (4100 MB vs 3900). The p...

11 years 前 | 1 个回答 | 0

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Time for Matrix Initializing
Hi! I create a cell of 700 elements, each of which is a sparse matrix 2000 * 2000 (most of the values will be zero). When I ...

11 years 前 | 1 个回答 | 0

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Argmin with several minimums
Hi, I would like to find a function returning, given an array Data of doubles, an array containing all the indices of Data's ...

11 years 前 | 1 个回答 | 0

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How test the presence of a toolbox
Hi! I would like in my program to test if the user has a statistical toolbox (Statistics_Toolbox). If so, it would use a prec...

11 years 前 | 2 个回答 | 0

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Equivalent of beta functions
Hi! I'd like to use the Matlab functions betapdf and betacdf, but I do not have access to the statistical toolbox of Matlab. ...

11 years 前 | 3 个回答 | 0

3

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Line of code instead of "ans"
Thanks for your answers.

11 years 前 | 0

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Line of code instead of "ans"
Hello, I begin by an example. A = [2 4]; A(1) I'd like to know if there's a setting in the Matlab Preferences which re...

11 years 前 | 3 个回答 | 0

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Integral of the beta function
Ok that's great it works! I used a simple integration by parts and it killed dramatically the difficulties on the edge of the in...

11 years 前 | 0

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Integral of the beta function
Hi! I'm trying to compute the integral of the beta function, which is, up to a constant multiplier, x^(1-alpha) * (1-x)^...

11 years 前 | 2 个回答 | 0

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Display Matrix when member of a class
Thank you! :)

11 years 前 | 0

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Looking through a Matlab Class
Ok, thank you. It seems that there is no other solution :). Another question, which may appear a bit silly : If I create a...

11 years 前 | 0

提问


Display Matrix when member of a class
Hi! I have a class containing two propoerties : InitialData is just an array, whereas Final is a 2*2 matrix. How can I ask Ma...

11 years 前 | 2 个回答 | 0

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Looking through a Matlab Class
Hi! I would like to execute some actions on every object of my class, say "Island". Is there a command in Matlab allowing...

11 years 前 | 2 个回答 | 0

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