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Jack Poulson

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Top posts (67) All Questions Answers | Votes Newest

40 How do I take the FFT of unevenly spaced data? Jan 6 '12
37 How much better are Fortran compilers really? Feb 4 '12
28 Is there any open-source or easy-to-access software that can simplify algebraic expressions like $x^{2}+2x+3, x=\sqrt{2}t-1$? Jan 31 '12
27 How can the gravitational n-body problem be solved in parallel? Dec 1 '11
24 When do orthogonal transformations outperform Gaussian elimination? Jan 27 '12
19 Can diagonal plus fixed symmetric linear systems be solved in quadratic time after precomputation? Dec 22 '11
17 Can the solution of a linear system of equations be approximated for only the first few variables? Feb 11 '12
16 Matrix exponential of a skew-Hermitian matrix with fortran 95 and LAPACK Feb 8 '12
16 What guidelines should I use when searching for good preconditioning methods for a specific problem? Feb 1 '12
15 Are there any open source inverse-based multilevel ILU implementations? Feb 5 '12
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