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Lars Ludwig


Last seen: 3 years ago |  Active since 2012

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Professional Interests: PDE

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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:...

3 years ago

Question


Why is memory reduced for an identical copy of a sparse array?
A = sparse([1,1],[1,1],[pi pi],1,1); AA = A(1:end,1:end); whos A; whos AA; The minimal example above reveals a phenomenon I c...

5 years ago | 4 answers | 1

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Restriction when indexing large arrays
Hi there, on 64bit platforms: why does matlab only allow 48bit integers for indexing arrays / creating (sparse)matrices, while ...

14 years ago | 1 answer | 0

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unknown matlab error
Hi there, I deal with pretty large sparse arrays. There the following error occurred where I have no explanation for: >> M = ...

14 years ago | 1 answer | 0

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