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David Cyncynates


Last seen: 2 years ago |  Active since 2020

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What is matlab doing under the hood when I solve this generalized eigenvalue problem?
I have the following code for a non-hermitian generalized eigenvalue problem that runs extremely fast on matlab. This seems like...

2 years ago | 1 answer | 0

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answer

Question


griddedInterpolant Error: Apparent Contradiction
I have some code that uses griddedInterpolant, and it runs fine for the most part. However, there is the rare case where it spit...

4 years ago | 1 answer | 0

1

answer

Answered
What's the best way to build a block sparse matrix whose entries are diagonal matrices?
Here's a solution that seems to work for me: clear N = 3; M = 5; BlockContainer = zeros(N * M, 2 * M - 1); for n = 1 ...

4 years ago | 0

| accepted

Question


What's the best way to build a block sparse matrix whose entries are diagonal matrices?
I want to construct a square block matrix out of square matrices, whose entries all lie on their respective diagonals. For examp...

4 years ago | 1 answer | 0

1

answer

Question


How to create an N-ary array
Suppose I have K variables, each of which can take the values 1 through N. I want to create a table such that each column corres...

4 years ago | 2 answers | 0

2

answers

Question


Generalized bessel function implementation
Is anybody aware of an implementation of the generalized bessel functions for matlab? See e.g. https://arxiv.org/pdf/1908.11683....

4 years ago | 0 answers | 0

0

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Question


Algorithmically create block matrices
I want to create a block matrix out of square matrices with the following structure H = [A B C D; B A B C; C B A B;...

4 years ago | 1 answer | 0

1

answer