Find answers to your questions about Computational Science or help others by answering their Computational Science questions.
What are the practical differences between a Galerkin finite element method vs an orthogonal collocation method? The best reference I've found thus far as been a paper titled ...
Asked on 03/31/2021 by wyer33
0 answerI want to solve a linear set of equations (Ax=b) using LU decomposition. My "A" matrix is a complex matrix which is symmetrical.The code that I work has two...
Asked on 03/30/2021 by HKK
1 answerI'm calculating basically a multidimensional random walk problem. To get more accuracy, I need larger systems (more dimensions), which requires longer time. To speed up the calculation,...
Asked on 03/27/2021
1 answerIn my research, I need to invert a Fisher matrix in order to get a covariance matrix for me to do parameter estimation. Unfortunately, the values of Fisher matrix vary...
Asked on 03/26/2021 by Brian.C.Seymour
1 answerFor exploratory work related to special function implementations, I need to compute $log frac{sin y}{sin x} $, where $0 le x le y le 2x < frac{pi}{2}$. Cases...
Asked on 03/26/2021 by njuffa
1 answerI have a Simplex problem $ A y ge b $, where some of the elements of $b$ are positive and some are negative, and thus setting $y = 0$...
Asked on 03/22/2021 by Sam OT
3 answerIn the center of a 2D-Plane a positive static charge Q is placed with position r_prime. This charge creates a static electrical Field E. Now i want to place a...
Asked on 03/18/2021 by tester931
1 answerAfter using ode45 to solve a set of ODEs, I want to write a Matlab function to take the initial conditions x_0 as inputs and gives the final state x_1...
Asked on 03/17/2021 by user36920
1 answerI'm given a matrix. How do I find the nearest (or a near) positive definite from it? The matrix can have complex eigenvalues, not be symmetric, etc. However, all its...
Asked on 03/16/2021
2 answerI noticed that adding constraints to an IloModel one by one can be prohibitively slow. (I am referring to the construction of the model, not the optimization.) Suppose I have...
Asked on 03/15/2021 by Bjoern
2 answerGet help from others!
Recent Questions
Recent Answers
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP