User Stefano M

29 votes

Accepted

When should log1p and expm1 be used?

answered Sep 3, 2015 at 9:38

15 votes

What is the purpose of using integration by parts in deriving a weak form for FEM discretization?

answered Jul 2, 2013 at 7:58

13 votes

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What are the symptoms of ill-conditioning when using direct methods?

answered Oct 14, 2012 at 9:35

12 votes

Permute a matrix in-place in numpy

answered Sep 6, 2012 at 23:19

10 votes

Accepted

Understanding wall time jitter in MATLAB computations

answered Aug 27, 2012 at 17:50

10 votes

Accepted

solve $xA=b$ for $x$ using LAPACK and BLAS

answered Feb 19, 2013 at 8:08

9 votes

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Data structures for finite volume code: Arrays vs Classes

answered Jun 24, 2013 at 20:08

9 votes

Using multiple languages in scientific codes

answered Nov 3, 2013 at 22:17

9 votes

Accepted

Loop optimization with f2py, Cython and Numba

answered Aug 19, 2017 at 23:05

8 votes

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Symmetric boundary condition

answered Mar 7, 2017 at 22:03

8 votes

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LAPACK - singular matrices - what does the positive integer info mean?

answered Feb 5, 2013 at 22:43

8 votes

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Condition number of A'A and AA' formulations

answered Jul 13, 2012 at 22:23

8 votes

Positive semi-definiteness of a (symmetric) matrix

answered Aug 6, 2012 at 14:15

7 votes

Accepted

What is the difference between implicit FEM and explicit FEM?

answered Jun 14, 2013 at 21:30

7 votes

Is there an efficient way to form this block matrix with numpy or scipy?

answered Aug 14, 2019 at 14:20

7 votes

Finite Element Method vs Extended Finite Element Method (FEM vs XFEM)

answered Feb 12, 2014 at 22:23

6 votes

Accepted

Stress due to the mismatch of thermal expansion coefficients of two different attached materials in COMSOL

answered Aug 29, 2013 at 13:20

6 votes

What are the fastest available implementations of BLAS/LAPACK or other linear algebra routines on GPU systems?

answered Sep 5, 2012 at 9:15

6 votes

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debugging a rotation matrix for elastic constants

answered Jul 30, 2013 at 14:22

6 votes

Accepted

How should I report profiling/timing information about my code?

answered Jul 19, 2012 at 7:33

5 votes

Manipulating Matrices in Matlab

answered Jul 29, 2012 at 22:38

4 votes

Storing a large, sparse array for R and Python

answered Aug 14, 2012 at 7:44

4 votes

analyze stability on a nonuniform grid

answered Jul 17, 2012 at 7:37

4 votes

FEM simulation of a material being stretched

answered Sep 14, 2012 at 9:25

4 votes

Accepted

What does fundamental solutions stand for in boundary element method?

answered Nov 6, 2012 at 18:10

4 votes

variational formulation of linear elasticity

answered Dec 24, 2012 at 9:51

4 votes

Generalized Singular Value Decomposition: only compute the r largest singular values

answered Jul 30, 2013 at 15:01

4 votes

Repeatedly solving $\mathbf{A} \mathbf{x} = \mathbf{b}$ with same $\mathbf{A}$, different $\mathbf{b}$

answered Feb 18, 2013 at 9:02

4 votes

Accepted

Efficient computation of tangent of fraction of angle

answered Oct 13, 2013 at 22:10

4 votes

derivative of linsolve

answered Aug 19, 2012 at 10:06

Stack Exchange Network

75 Answers

When should log1p and expm1 be used?

What is the purpose of using integration by parts in deriving a weak form for FEM discretization?

What are the symptoms of ill-conditioning when using direct methods?

Permute a matrix in-place in numpy

Understanding wall time jitter in MATLAB computations

solve $xA=b$ for $x$ using LAPACK and BLAS

Data structures for finite volume code: Arrays vs Classes

Using multiple languages in scientific codes

Loop optimization with f2py, Cython and Numba

Symmetric boundary condition

LAPACK - singular matrices - what does the positive integer info mean?

Condition number of A'A and AA' formulations

Positive semi-definiteness of a (symmetric) matrix

What is the difference between implicit FEM and explicit FEM?

Is there an efficient way to form this block matrix with numpy or scipy?

Finite Element Method vs Extended Finite Element Method (FEM vs XFEM)

Stress due to the mismatch of thermal expansion coefficients of two different attached materials in COMSOL

What are the fastest available implementations of BLAS/LAPACK or other linear algebra routines on GPU systems?

debugging a rotation matrix for elastic constants

How should I report profiling/timing information about my code?

Manipulating Matrices in Matlab

Storing a large, sparse array for R and Python

analyze stability on a nonuniform grid

FEM simulation of a material being stretched

What does fundamental solutions stand for in boundary element method?

variational formulation of linear elasticity

Generalized Singular Value Decomposition: only compute the r largest singular values

Repeatedly solving $\mathbf{A} \mathbf{x} = \mathbf{b}$ with same $\mathbf{A}$, different $\mathbf{b}$

Efficient computation of tangent of fraction of angle

derivative of linsolve