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21 downloads

3 years ago

Do you NEED to make B as a matrix? Fangjun Jiang and Jan Simon's methods will work fine for what you have asked, but I've found...

0

Answered 3 years ago

I am currently running a code that has to diagonalise a large number of matrices every run. From other considerations I know wh...

1 Answers

Asked 3 years ago

I was wondering if there is any clever memory usage ways to store symmetric arrays. I.e. I might have some tensor f_[abcd] = f_[...

4103 views

Posted 4 years ago

Generates points and weights for Gauss Laguerre Quadrature, to a tolerance, tested for N < 300

20 downloads

Very simple function to generate a table of all possible binomial coefficients below a cut off

6 downloads

4 years ago

generates zeros of a Hermite polynomial of degree n to tolerance "tol" and their associated weights.

Used for multiplying large block diagonal matrices with matrices / vectors.

8 downloads

lists all nonidentical permutations of a set of numbers i.e. [1,1,2] go to [1,1,2;1,2,1;2,1,1]

I have a second order differential equation x''(t) = f(x) with an initial condition x(0) = x0 ; x'(0) = 0; I wish to ...

0 Answers

Converts a matrix into a cell array of different sized matrices that make up the blocks.

1 downloads

I am trying to work out the best way to minimise the lowest eigenvalue of a matrix " M " which is a function of some variables "...

1535 views