User Ray Koopman

28 votes

Accepted

Partitioning a list of numbers the Mathematica way

answered Nov 12, 2013 at 8:13

26 votes

Accepted

Uniformly distributed n-dimensional probability vectors over a simplex

answered Oct 8, 2013 at 15:49

20 votes

Elegant high precision `log1p`?

answered Dec 20, 2013 at 7:10

17 votes

Finding the volume of a sphere using the Monte Carlo algorithm

answered Nov 9, 2013 at 20:27

17 votes

Looking for a way to insert multiple elements into multiple positions simultaneously in a list

answered Aug 18, 2013 at 8:21

16 votes

Accepted

Better way to make a certain list with palindromic sublists

answered Sep 14, 2013 at 8:49

14 votes

Finding maximal sublist of linearly independent vectors

answered Oct 17, 2013 at 1:17

9 votes

Delete duplicate elements from a list

answered Nov 1, 2013 at 11:12

8 votes

Why is Poisson Random Deviate Generation so slow?

answered Nov 6, 2013 at 10:31

8 votes

How to pick increasing numbers from the list

answered Dec 5, 2013 at 22:20

7 votes

How to split list into disjoint lists?

answered Nov 19, 2013 at 1:40

7 votes

How to find the distance of two lists?

answered Sep 6, 2013 at 18:16

6 votes

"Unflattening" a list

answered Aug 14, 2013 at 5:05

6 votes

Extracting polynomials from a cubic spline function

answered Nov 5, 2013 at 7:13

6 votes

Accepted

How to get the indices of values in a list which are NOT an specific integer?

answered Nov 24, 2013 at 8:06

5 votes

How to get list of duplicates when using DeleteDuplicates?

answered Nov 29, 2013 at 7:36

5 votes

Fastest way to do vector / matrix multiplication with constant matrix

answered Oct 2, 2013 at 5:15

5 votes

Is it possible to use RandomChoice to choose without other choices being evaluated?

answered Sep 12, 2013 at 15:26

5 votes

Generating an "average curve" from a dense set of "semicontinuous curves" which clear trends

answered Aug 7, 2013 at 6:12

5 votes

Is there any fast way to solve a quadratic matrix equation in Mathematica approximately?

answered Aug 22, 2013 at 6:53

5 votes

How to partition a list to make each subset's size equal and mean as close as possible

answered Sep 1, 2013 at 9:58

4 votes

Determinant of a large matrix and solution of a linear equation

answered Aug 10, 2013 at 18:14

4 votes

Accepted

Efficiency problem with least square algorithm (Error in both variables)

answered Oct 1, 2013 at 0:41

4 votes

KolmogorovSmirnovTest[] On Frequency Data

answered Nov 6, 2013 at 8:33

4 votes

Accepted

Minimize amount of evaluations with fold/table/thread or something else

answered Nov 30, 2013 at 8:49

4 votes

Accepted

Covariance of a P x M x N matrix

answered Nov 19, 2013 at 7:51

4 votes

How to delete mirror symmetric point pair efficiently

answered Nov 21, 2013 at 1:10

3 votes

Reduce a huge low-rank matrix

answered Nov 21, 2013 at 1:27

3 votes

Accepted

FindMaximum of loglikelihood in Gaussian Process

answered Nov 15, 2013 at 10:07

3 votes

Code hanging inside a For loop

answered Dec 2, 2013 at 0:32

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55 Answers

Partitioning a list of numbers the Mathematica way

Uniformly distributed n-dimensional probability vectors over a simplex

Elegant high precision `log1p`?

Finding the volume of a sphere using the Monte Carlo algorithm

Looking for a way to insert multiple elements into multiple positions simultaneously in a list

Better way to make a certain list with palindromic sublists

Finding maximal sublist of linearly independent vectors

Delete duplicate elements from a list

Why is Poisson Random Deviate Generation so slow?

How to pick increasing numbers from the list

How to split list into disjoint lists?

How to find the distance of two lists?

"Unflattening" a list

Extracting polynomials from a cubic spline function

How to get the indices of values in a list which are NOT an specific integer?

How to get list of duplicates when using DeleteDuplicates?

Fastest way to do vector / matrix multiplication with constant matrix

Is it possible to use RandomChoice to choose without other choices being evaluated?

Generating an "average curve" from a dense set of "semicontinuous curves" which clear trends

Is there any fast way to solve a quadratic matrix equation in Mathematica approximately?

How to partition a list to make each subset's size equal and mean as close as possible

Determinant of a large matrix and solution of a linear equation

Efficiency problem with least square algorithm (Error in both variables)

KolmogorovSmirnovTest[] On Frequency Data

Minimize amount of evaluations with fold/table/thread or something else

Covariance of a P x M x N matrix

How to delete mirror symmetric point pair efficiently

Reduce a huge low-rank matrix

FindMaximum of loglikelihood in Gaussian Process

Code hanging inside a For loop