photo

Rakesh Kumar

Last seen: 28일 전 |  2011년부터 활동

Followers: 0   Following: 0

메시지

통계학

All
  • Personal Best Downloads Level 2
  • 5-Star Galaxy Level 4
  • First Submission
  • Revival Level 1
  • Knowledgeable Level 2
  • First Answer
  • Solver

배지 보기

Feeds

보기 기준

답변 있음
Can I restart surrogateopt from earlier iterations with checkpoint file?
I don't think of any easy way to do this.

대략 1년 전 | 2

답변 있음
Optimization using parallel-computing is returning optimized vector that does not match the reward provided.
Hi Aaron, Optimization solvers often does not work with "UseParallel == true" option when a Simulink model is part of objective...

1년 초과 전 | 3

| 수락됨

답변 있음
Is it possible to impose custom conditions for an early surrogate reset?
Hi James, Surrogateopt reset criteria depends on the "expected reduction of objective function value" assuming the incumbent is...

3년 초과 전 | 0

| 수락됨

답변 있음
GA error due to boxdirections
Before running your code, please issue this command (so MATLAB wil stop where an error is thrown) dbstop if error MATLAB will ...

거의 4년 전 | 0

답변 있음
Unexpected Change in Population Diversity of Genetic Algorithm
Hi David, The behavior is strange. It would be great to have a reproduction script if you can share since this behavior is on a...

거의 4년 전 | 0

답변 있음
Please could I have more detail on the 'quasirandom' sequence in surrogateopt?
Please take a look at this doc page (section Definitions for Surrogate Optimization) https://www.mathworks.com/help/gads/surrog...

4년 초과 전 | 0

제출됨


New Approaches to Constrained Optimization in MATLAB
M-files accompanying the webinar held on November 05, 2005

거의 8년 전 | 다운로드 수: 1 |

Thumbnail

제출됨


Optimization with MATLAB and the Genetic Algorithm and Direct Search Toolbox
M-files used in the webinar held on September 16, 2004.

거의 8년 전 | 다운로드 수: 9 |

Thumbnail

답변 있음
Does using global variables in objective function risk error when using ga in parallel?
Every worker will have its own copy of the global variable not in sync with other workers. Its global for all the M-files on a w...

대략 9년 전 | 1

답변 있음
Patternsearchw with genetic algorithm
Hi Grzegorz, Thanks for posting this issue; it is a bug. The only workaround I can see is to change the code and compare nargin...

10년 초과 전 | 0

| 수락됨

문제를 풀었습니다


inner product of two vectors
inner product of two vectors

대략 12년 전

문제를 풀었습니다


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

대략 12년 전

문제를 풀었습니다


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

대략 12년 전

문제를 풀었습니다


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

대략 12년 전

문제를 풀었습니다


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

대략 12년 전

문제를 풀었습니다


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

12년 초과 전

문제를 풀었습니다


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

12년 초과 전

문제를 풀었습니다


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

12년 초과 전

답변 있음
Slacktol value ?
First suggestion is to use the newer algorithm added in 11a if you can. The warning message I get should be fixed (easy to f...

거의 13년 전 | 0

| 수락됨

답변 있음
mesh size change in patternsearch
The trial points are probably infeasible with that big mesh size; hence no function evaluation.

대략 13년 전 | 1

답변 있음
How to get alternative solutions to a linear programming problem using linprog?
Why do you think there won't be a unique solution? When you have a linear objective (bounded) and constraints are linear (and bo...

13년 초과 전 | 1

답변 있음
quadprog vs fmincon
Have you looked at fmincon 'interior-point' algorithm option? Here is a snippet of help from this algorithm W = HessMultFcn(x...

13년 초과 전 | 1

답변 있음
Optimization of function described in standalone code
You will have to create a C++ file (which is called MEX in MATLAB environment) that can be called directly from MATLAB. See some...

13년 초과 전 | 0

| 수락됨