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darius


American University of Beirut

Active since 2011

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Solving an implicit function, fsolve vs. fzero
Hi, I'm trying to solve an implicit function for x that looks like this: A*x^q + Bx - C = 0 The solution is within (0,1...

mer än 12 år ago | 2 answers | 0

2

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Median() ignoring zeros
Is there any cheap way to get the median of the columns of the non-zero elements of an unsorted NxN matrix? Please note that B =...

nästan 13 år ago | 3 answers | 0

3

answers

Answered
quasi-cumsum by matrix indexes
Hi Sean, thanks for your answer. Note the numbers are just for illustration. Replace 4,1000,10, and 6 with 100, 3000, 150, and 4...

nästan 13 år ago | 0

Question


quasi-cumsum by matrix indexes
Here's an example of what I'm trying to do: indexes = randi(4,1000,10); K = rand(4,6); Q = zeros(1000,10+6); ...

nästan 13 år ago | 2 answers | 0

2

answers