Computational Science

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Dictionaries in pseudocode
Awarded Feb 20 at 17:46
How to properly calculate CPU and GPU FLOPS performance?
Awarded Jan 16 at 19:11
Are there any numerical advantages in solving symmetric matrix compared to matrices without symmetry?
Awarded Jan 15 at 2:32
Least absolute deviations solving using the Barrodale-Roberts-algorithm: Premature termination?
Awarded Jan 5 at 23:21
Why is SQP better than Augmented Lagrangian for nonlinear programming?
Awarded Jan 4 at 22:20
Is there any explicit symplectic Runge-Kutta method?
Awarded Dec 8, 2022 at 8:43
Faster Logistic Function
Awarded Nov 27, 2022 at 8:46
Is the shooting method the only general numerical method for solving nonlinear boundary value ODEs?
Awarded Nov 15, 2022 at 14:02
Constructing random divergence-free velocity fields
Awarded Nov 4, 2022 at 18:35
What are the usual steps and checks involved in upgrading a Scientific Computing code, if there is any?
Awarded Oct 18, 2022 at 15:28
What does Static, Dynamic and Single Dynamic linking mean?
Awarded Oct 13, 2022 at 20:42
What makes a good preconditioner when only a few approximate iterations are needed?
Awarded Oct 6, 2022 at 20:48
Understanding the Courant–Friedrichs–Lewy condition
Awarded Aug 30, 2022 at 20:41
The real myth of GPU (specifically CUDA) really speed up FEM/CFD
Awarded Aug 29, 2022 at 13:55
How do compression algorithms compress data so fast?
Awarded Aug 24, 2022 at 13:25
Motivation behind Galerkin method
Awarded Jul 18, 2022 at 17:25
Which Runge-Kutta method is more accurate: Dormand-Prince or Cash-Karp?
Awarded Jul 12, 2022 at 13:41
Use of machine learning in computational fluid dynamics
Awarded Jul 2, 2022 at 2:32
Why aren't Krylov subspace methods popular in the Machine Learning community compared to Gradient Descent?
Awarded Jun 27, 2022 at 15:05
When training a neural network, why choose Adam over L-BGFS for the optimizer?
Awarded Jun 12, 2022 at 3:56
full rank update to cholesky decomposition
Awarded May 30, 2022 at 21:16
Reference request: Rigorous analysis of algorithms for PDE and ODE
Awarded May 24, 2022 at 1:35
PDE discretization with the method of rothe and the method of lines (Modular implementation)
Awarded May 14, 2022 at 9:40
Extracting diagonal of an approximately diagonal matrix when we don't know its entries
Awarded May 4, 2022 at 18:32
C++ library for nonlinear constrained minimization
Awarded Apr 8, 2022 at 2:17
Quality of eigenvalue approximation in Lanczos method
Awarded Apr 6, 2022 at 4:40
Is using std::valarray considered good practice?
Awarded Feb 23, 2022 at 18:50
Python solvers for mixed-integer nonlinear constrained optimization
Awarded Feb 18, 2022 at 20:41
Are DAXPY, DCOPY, DSCAL overkills?
Awarded Jan 21, 2022 at 11:07
FEM for vector valued problems: reference request
Awarded Jan 18, 2022 at 16:02
Learning Fortran
Awarded Jan 18, 2022 at 7:17
Numerical integration using interval arithmetic, nowadays
Awarded Jan 8, 2022 at 14:21
Why is RK45 used as the "default" method for non-stiff ODEs rather than a multistep one?
Awarded Dec 31, 2021 at 5:33
How to write integration tests for numeric simulation software?
Awarded Dec 20, 2021 at 21:12
Gershgorin Circle Theorem to estimate the eigenvalues
Awarded Dec 17, 2021 at 4:40
Generalization of eigendecomposition problem
Awarded Dec 6, 2021 at 8:27
FAS-multigrid slower than linear defect correction?
Awarded Dec 1, 2021 at 12:27
Increasing V-cycles for constant Coarsest Grid Size and increasing Fine Grid size
Awarded Nov 30, 2021 at 12:26
What are some good strategies to test a floating point arithmetic implementation for double numbers?
Awarded Nov 29, 2021 at 16:27
Numerical computation of Lyapunov exponent
Awarded Nov 26, 2021 at 11:42
How do I find the minimum-area ellipse that encloses a set of points?
Awarded Nov 23, 2021 at 17:30
Is there an algorithm to find an almost-convex hull given a tolerance angle?
Awarded Nov 11, 2021 at 16:36
Fast Automatic Differentiation for numpy?
Awarded Oct 28, 2021 at 8:20
What can a computational scientist do in the fourth industrial revolution?
Awarded Oct 26, 2021 at 7:51
Higher precision floating-point arithmetic in numerical PDE
Awarded Oct 20, 2021 at 23:41
Sensitivity of $y$ w.r.t. to $x$ in $y=f(x)$ where f is a routine
Awarded Oct 15, 2021 at 15:06
Are there any libraries out there that implement block Krylov subspace methods?
Awarded Oct 11, 2021 at 4:05
Is it possible for user written algorithms to outperform libraries' built-in optimized functions?
Awarded Aug 19, 2021 at 13:07
Why do we usually not want the eigenvalues of non-symmetric matrices?
Awarded Aug 9, 2021 at 1:25
Meaning of "-0.0" in Python?
Awarded Aug 3, 2021 at 19:48
ODEs vs DAE vs ADE?
Awarded Jul 5, 2021 at 8:04
Difference between Nodes and CPUs when running software on a cluster?
Awarded May 23, 2021 at 19:45
What is a robust, iterative solver for large 3-d linear-elastic problems?
Awarded May 3, 2021 at 6:37
Find all the roots of a function in a given interval
Awarded May 1, 2021 at 8:49
Seeking a free symbolic regression software
Awarded Mar 3, 2021 at 7:48
Fourier pseudo-spectral method and numerical dissipation
Awarded Feb 25, 2021 at 11:26
Recommendations for a lightweight/no-install C or C++ based dense linear algebra solver
Awarded Feb 6, 2021 at 10:15
Hosting site for a small scientific library
Awarded Jan 28, 2021 at 1:16
How to compute Singular value decomposition of a large matrix with Python
Awarded Jan 22, 2021 at 15:05
Safe application of iterative methods on diagonally dominant matrices
Awarded Jan 18, 2021 at 3:57
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