All Posts

• Updating QR decomposition for geometrically similar least squares problem October 3, 2023
• Are there good block sparse matrix solver libraries? September 6, 2023
• PhD in scientific computing to be a scientific programmer July 25, 2023
• Optimization Problem with Array Index as decision variable July 22, 2023
• Numerical Simulation of a Quadratic MIP with a highly rational term June 5, 2023
• What are the benefits of cutting by half the number of multiplications needed to calculate factorial n? February 21, 2023
• Faster Logistic Function November 22, 2022
• What are the usual steps and checks involved in upgrading a Scientific Computing code, if there is any? October 16, 2022
• RobOptim for real-time computation May 31, 2022
• Nearest neighbours with a subset structure May 2, 2022
• About using SOCP solvers to solve QCQP March 29, 2022
• Disjunctive programming software January 1, 2022
• Python solvers for MINLP in Pyomo in Google Colab December 29, 2021
• Solver suggestion for many small quadratic problems in C++ December 19, 2021
• A name for a numerical phenomena when using numerical methods December 18, 2021
• Find the smallest convex hull that enclose an arbitrary point December 8, 2021
• Going to try to move some of my scipy/numpy calculation to a new GPU, how to avoid disappointing results? December 8, 2021
• How to find the smallest ellipse covering a given fraction of a set of points? December 4, 2021
• How to stack N boxes of varying heights into M stacks, most evenly November 28, 2021
• What are some good strategies to test a floating point arithmetic implementation for double numbers? November 28, 2021
• Approximating the boundary between two sets of points (in 2D): Fitting a region November 24, 2021
• How do I find the minimum-area ellipse that encloses a set of points? November 22, 2021
• Estimate the number of self-avoiding walks of length $n$ October 25, 2021
• Simulate circular mold spread using cellular automata - square emerges instead September 11, 2021
• Stochastic cellular automata - algorithm limited by 1 cell per timestep August 26, 2021
• Why should non-convexity be a problem in optimization? August 5, 2021
• Solving absolute value systems August 4, 2021
• Need software for generating self-avoiding random walks on a tetrahedral lattice July 25, 2021
• Solve two-player game - minimize the l-infinity norm of a matrix-vector product December 27, 2020
• Tool to compare if two logical expressions are same! November 29, 2020
• Understading memory sharing in a GPGPU using a lattice example September 12, 2020
• What are some algorithms to calculate the width of an arbitrary polygon when a bounding box approximation is inaccurate August 8, 2020
• Optimization of expensive model with many parameters July 23, 2020
• Using MILP to place a set of primers along a genome July 1, 2020
• How to store a TB size array in C++ on a cluster April 11, 2020
• Writing code on the CPU while developing, running it on the GPU when live - which approach? February 24, 2020
• Could the convex problem be tackled by CVX? December 29, 2019
• Disciplined convex programming expression of $x\sqrt{1-x}$ December 27, 2019
• Should benchmarkings be done at all? What is the point? December 16, 2019
• CPU usage when a MPI rank waits during a blocking communication December 1, 2019
• Why am I getting this DCPError? October 28, 2019
• Optimal line such that maximum points are between an upper and lower boundary October 27, 2019
• How to solve calculus of variations problems numerically? October 23, 2019
• Deep learning using Distributed linear algebra October 17, 2019
• What guidelines should I follow for simulation software projects? October 15, 2019
• Do most statistical packages and libraries in high-level programming languages rely on LAPACK for their matrix inversion operations? October 14, 2019
• Find shortest path around a cylinder represented by 3d triangular mesh October 9, 2019
• Binary combinatorial optimization with hard to compute costs August 29, 2019
• MINLP with GEKKO - Modeling discrete variables August 16, 2019
• Data structures of AMR(Adaptive Mesh Refinement) with quadtree August 8, 2019
• Efficient algorithm to decide if a graph is a cactus? July 23, 2019
• Computer build for scientific or big data computing July 11, 2019
• Is it more efficient to capture many constraints in one constraint? July 2, 2019
• GPGPU language for AMD? June 24, 2019
• Testing if two 12x12 matrices have the same determinant May 22, 2019
• Time complexity analysis May 15, 2019
• Convexity of Sum of $k$-smallest Eigenvalue May 5, 2019
• How can I find a line segment with the most intersections along with the coordinates of the intersection points? April 25, 2019
• How to compute 16 different simulations on parallel with pbs script on the same machine April 4, 2019
• Find a solution of large system of inequalities March 7, 2019
• Is there an optimization scheme/algorithm that converges, for this non-convex scenario but with some special properties February 23, 2019
• Simple way to store/read data from file in C++ February 19, 2019
• Is Highams' computation of mean worth the price? February 17, 2019
• How to choose a python parallelization library? February 6, 2019
• C++ Best practices for dealing with many constants, variables in scientific codes February 4, 2019
• How to choose the parameters for a collision free comet trajectory February 3, 2019
• Formulate and solve a simple conic programs in cvxpy language January 21, 2019
• Minimize cost with Levenberg-Marquart method December 28, 2018
• Question about strange outputs from the CVXPY solver December 27, 2018
• Ranking Sewer Lines worst to best condition using Genetic Algorithm? July 24, 2018
• Algorithm to generate water flow map, given a terrain May 17, 2018
• Nystrom approximation of SVD for asymmetric matrices March 6, 2018
• efficient MPI collective non-blocking communication March 6, 2018