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CJ


Last seen: environ un an il y a |  Actif depuis 2017

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Parallel in fmincon: getappdata & indexing problem
I want to parallelize the finite differences calculations of fmincon. Doing that gives an error and I've isolated the two causes...

presque 6 ans il y a | 1 réponse | 0

1

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Question


Fastest way to create matrix of interactions many times
I have this code, where I have 8 columns in my matrix of regressors X (36 unique interactions): interactions=zeros(size(X,1...

plus de 6 ans il y a | 1 réponse | 0

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Question


Inevitable broadcast variable in parfor?
I have a parfor loop where I want to get chunks of a matrix: For example, below I want the loop to run on 3 parts [indexed b...

plus de 6 ans il y a | 2 réponses | 0

2

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Question


Get argument values using an output function when Objective returns NaN
I'm using fmincon to minimize a function with arguments X. I get the message on a given iteration and the code continues: "O...

presque 7 ans il y a | 1 réponse | 0

1

réponse

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Fastest methods to solve nonlinear systems MANY times
I have an unconstrained nonlinear system of 1000 equations & 1000 variables. There are also parameters in the system: F(x,p...

presque 7 ans il y a | 1 réponse | 0

1

réponse

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Manual Newton's method faster than fsolve with jacobian for a nonlinear system
I have a system of 100 nonlinear equations with 100 variables. * I use fsolve (giving it the analytical Jacobian) and it ta...

presque 7 ans il y a | 1 réponse | 0

0

réponse

Question


Parallel computing memory allocation
I am running code on an HPCC. I have a very large loop so I am trying to split it up. The problem is that I seem to have to give...

environ 7 ans il y a | 1 réponse | 0

1

réponse