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Alexander Holmes


Last seen: 2 years 前 |  自 2018 起处于活动状态

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统计学

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Fast method for findings which rows of a matrix are contained in another
I have two matrices, and . The rows of are a subset of the rows of , and I want to find the row indices of the rows in that c...

4 years 前 | 2 个回答 | 0

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Solving similar sets of equations multiple times
I have several systems of equations that I want to solve. At each iterations, there's maybe fifty or so sets og equations I want...

4 years 前 | 0 个回答 | 0

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left eigenvectors using eigs with sparse matrices
Is there any way of using eigs (not eig) to calculate left eigenvectors of a sparse matrix?

4 years 前 | 1 个回答 | 0

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Produce equality matrix based on elements in vector.
Given two equally sized vectors A and B, is there any way to make a matrix C of 1's and zero's such that the kth row of C contai...

4 years 前 | 4 个回答 | 0

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Using eigs with singular matrix
I want to calculate the eigenvector corresponding to the 0 eigenvalue of a large, sparse singular matrix. However, if I try eigs...

5 years 前 | 1 个回答 | 0

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Linear equations with symbolic matrix
I have a set of equations of the form Ax=b, but some of the elements in the matrix are also variables (one variable (y) which I ...

5 years 前 | 3 个回答 | 0

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Restricting domain of values fzero will try
I am using fzero along with an implementation of the gillespie algorithm to determine a parameter (I know the vale of a paramete...

6 years 前 | 2 个回答 | 0

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Error with parallel toolbox
I tried running code on a cluster using batch which I fills a 10000 by 10000 matrix with random numbers. I have a script runT...

6 years 前 | 1 个回答 | 0

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