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CJ


Last seen: 1 year ago |  Active since 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...

6 years ago | 1 answer | 0

1

answer

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...

6 years ago | 0 answers | 0

0

answers

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...

6 years ago | 2 answers | 0

2

answers

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...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 1 answer | 0

1

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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...

7 years ago | 0 answers | 0

0

answers

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...

7 years ago | 1 answer | 0

1

answer