photo

Martin


Aktiv seit 2013

Followers: 0   Following: 0

Nachricht

Statistik

  • Thankful Level 3

Abzeichen anzeigen

Feeds

Anzeigen nach

Frage


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...

mehr als 10 Jahre vor | 3 Antworten | 0

3

Antworten

Frage


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...

mehr als 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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...

etwa 11 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Norminv in Matlab 2012
Brilliant, thanks!

etwa 11 Jahre vor | 0

Frage


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...

etwa 11 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


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...

etwa 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


"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...

etwa 11 Jahre vor | 11 Antworten | 2

11

Antworten

Frage


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...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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 ...

mehr als 11 Jahre vor | 3 Antworten | 0

3

Antworten

Frage


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 = ...

mehr als 11 Jahre vor | 3 Antworten | 3

3

Antworten

Frage


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: ...

mehr als 11 Jahre vor | 0 Antworten | 0

0

Antworten

Frage


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...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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 ...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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 ...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


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. ...

mehr als 11 Jahre vor | 3 Antworten | 0

3

Antworten

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

mehr als 11 Jahre vor | 0

Frage


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...

mehr als 11 Jahre vor | 3 Antworten | 0

3

Antworten

Beantwortet
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...

mehr als 11 Jahre vor | 0

Frage


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)^...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten

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

mehr als 11 Jahre vor | 0

Beantwortet
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...

mehr als 11 Jahre vor | 0

Frage


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...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


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...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten