Nuclear reactor physics + Applied math (numerical methods + big data + heuristic multi-objective combinatorial black-box optimization) = Industrial applied scientist

Answered

2018b gcc support on Ubuntu 18.04

May be this is possible solution for you: https://www.mathworks.com/matlabcentral/answers/407502-incompatible-gcc-version-with-m...

2018b gcc support on Ubuntu 18.04

May be this is possible solution for you: https://www.mathworks.com/matlabcentral/answers/407502-incompatible-gcc-version-with-m...

alrededor de 1 mes ago | 0

Answered

Multi-precision linear programming

One of possible way (so far only known to me) how to solve directly and eficiently LP problems with full multi-precision support...

Multi-precision linear programming

One of possible way (so far only known to me) how to solve directly and eficiently LP problems with full multi-precision support...

alrededor de 2 meses ago | 0

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Question

Multi-precision linear programming

I need to solve specific linear programming problem which is based on Mallows permutation probability distribution. This exponen...

2 meses ago | 2 answers | 0

Answered

strange power .^ operator behaviour

Very interesting description of the integer power problem: http://szhorvat.net/pelican/fast-computation-of-powers.html

strange power .^ operator behaviour

Very interesting description of the integer power problem: http://szhorvat.net/pelican/fast-computation-of-powers.html

5 meses ago | 0

Question

strange power .^ operator behaviour

Take a look on this FEX. For vectors of length greater than >~100 elements it is more efficient to use multiple x.^2 than x....

5 meses ago | 2 answers | 0

Question

incremental training (large data set)

Is the following approach suitable for NN incremental learning in general? for bn = 1:num_batches inputs = <get batch ...

5 meses ago | 1 answer | 0

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matchpairs function input parameter costUnmatched

I propose the following costUnmatched input parameter estimation for given Cost matrix: costUnmatched = max(size(Cost)) * max(C...

matchpairs function input parameter costUnmatched

I propose the following costUnmatched input parameter estimation for given Cost matrix: costUnmatched = max(size(Cost)) * max(C...

5 meses ago | 0

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Question

matchpairs function input parameter costUnmatched

How to choose proper value of parameter costUnmatched (matchpairs function) to get requested number of matches. Especially in a...

5 meses ago | 1 answer | 0

Question

MATLAB Answer need better policy

Just one remark regarding current situation on MATLAB Answer portal: A lot of people (including highly trustworthy) aswers on m...

5 meses ago | 1 answer | 0

Answered

"symmetrical" rows of matrix

I present the best solution so far: d = ~pdist2(A(:,1:end/2), A(:,end/2+1:end)); [iA1, iA2] = find(triu(d & d.'));

"symmetrical" rows of matrix

I present the best solution so far: d = ~pdist2(A(:,1:end/2), A(:,end/2+1:end)); [iA1, iA2] = find(triu(d & d.'));

5 meses ago | 0

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Question

"symmetrical" rows of matrix

I have integer matrix A (nA x c) with even number of columns (e.g. mod(c,2) = 0) and unique rows. How to effectivelly (by spe...

5 meses ago | 1 answer | 0

Question

what is recommended way to apply incremental ANN learning

I would like to apply ANN for approximation (regression) of the larga data set of points {x_i, y_i}, where x_i are input vectors...

5 meses ago | 0 answers | 0

Question

MATLAB Connector not running

I am using Matlab Connector on Linux (LinuxMint 19.3 based on Ubuntu 18.04). When I start MATLAB connector (v 1.4.0.6) and the...

6 meses ago | 0 answers | 0

Question

how can I effectively compute expected value by histogram approximation of probability desnsity function

What is the proper way to compute effectively (fast) the expected value E(x) in a case when I have approximation of probability ...

9 meses ago | 1 answer | 0

Question

symbolic function with specific properties

I need to implement the symbolic function E(m(x)), where x = [x1, ..., xN] are symbolic variables, with the folowing property: ...

9 meses ago | 0 answers | 0

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Check if I have done everything right

Your riemann function is completely wrong! Try this: function [integral] = riemann(x) integral = sum(calc...

Check if I have done everything right

Your riemann function is completely wrong! Try this: function [integral] = riemann(x) integral = sum(calc...

10 meses ago | 0

Answered

Randomly sorting rows while keeping column relationships the same

Apermrows = A(randperm(size(A,1)),:)

Randomly sorting rows while keeping column relationships the same

Apermrows = A(randperm(size(A,1)),:)

10 meses ago | 2

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Answered

running functions in multiple instances

You need to run three function on two matlab instances simultaneously? If yes, so open two separate instances of Matlab and run...

running functions in multiple instances

You need to run three function on two matlab instances simultaneously? If yes, so open two separate instances of Matlab and run...

10 meses ago | 1

Answered

Does Matlab support GTX 1660 graphics card?

Definitely yes!!! Did you install the proper nvidia driver on your system?

Does Matlab support GTX 1660 graphics card?

Definitely yes!!! Did you install the proper nvidia driver on your system?

10 meses ago | 0

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Question

ranking of vector with non-unique elements

I need to perform fast ranking of the vector with non-unique elements, like in the following example: F = [10.1 31.0 20.5 20.5 ...

10 meses ago | 1 answer | 0

Question

vector of integers modification

I have vector of positive integers which I need to modify into vector of consecutive integers with the same ordering. Example: ...

10 meses ago | 1 answer | 0

Question

vectorised code is terribly slower

Why is the vectorized version of simple local maxima detection code significantly slower (~2-3 times) than its for-loop version?...

10 meses ago | 0 answers | 0

Question

ischange in stream or moving window regime

I would like to compute change points (or linearlly segmented signal) from input data stream via moving window. Is there any eff...

10 meses ago | 0 answers | 0

Answered

Is I5 9400f processor is sufficient for deep learning, performing models,Monte Carlo simulation and other heavy works on Matlab

All MC methods are in general extremely CPU consuming. So, soon or later you always reach limits of your computer. From this poi...

Is I5 9400f processor is sufficient for deep learning, performing models,Monte Carlo simulation and other heavy works on Matlab

All MC methods are in general extremely CPU consuming. So, soon or later you always reach limits of your computer. From this poi...

11 meses ago | 1

| accepted

Answered

Replace elements in binary matrix

% B original binary matrix % B_ new binary matrix B_ = ~B;

Replace elements in binary matrix

% B original binary matrix % B_ new binary matrix B_ = ~B;

alrededor de 1 año ago | 0

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Question

specific assignments of vector items

I am looking for suitable algorithm to solve the following problem: For vector v (Nx1, double, single) I need to find assigment...

más de 1 año ago | 0 answers | 0

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elimination of conscutive regions (generalization: ones with zeros between)

I am still looking for better (faster) solution. Any idea how to improve so far best solution: A = [1 -1 0; ...

elimination of conscutive regions (generalization: ones with zeros between)

I am still looking for better (faster) solution. Any idea how to improve so far best solution: A = [1 -1 0; ...

casi 2 años ago | 1

Question

elimination of conscutive regions (generalization: ones with zeros between)

I need effectively eliminate (by zeroing) the consecutive "1's" between "-1's" and start/end of column at each column of matrix ...

casi 2 años ago | 3 answers | 0

Answered

elimination of consecutive regions

good idea (only 1D) is <https://www.mathworks.com/matlabcentral/answers/293926-how-do-i-find-4-or-more-consecutive-zeros-and-rep...

elimination of consecutive regions

good idea (only 1D) is <https://www.mathworks.com/matlabcentral/answers/293926-how-do-i-find-4-or-more-consecutive-zeros-and-rep...

casi 2 años ago | 0

Question

elimination of consecutive regions

I need to effectively eliminate consecutive regions in vector "a" or better in rows/columns of matrix "A" with length of separat...

casi 2 años ago | 3 answers | 0