# Tags

A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

 Type to find tags:
 linear-algebra× 272 Questions on the algorithmic/computational aspects of linear algebra, including the solution of linear systems, least squares problems, eigenproblems, and other such matters. optimization× 187 intended for questions on methods for the (constrained or unconstrained) minimization or maximization of functions. pde× 172 equations that relate the partial derivatives of a function of more than one variable. This tag is intended for questions on modeling phenomena with PDEs, sol… numerics× 145 Questions on the aspects of numerical methods/analysis relevant to scientific computing. algorithms× 133 A description of the specific steps needed to solve a particular problem in an unambiguous way, expressed in an abstract form. finite-element× 122 A means of solving ordinary and partial differential equations. The domain of the problem is broken up into elements, and the solution in each element is expanded in a basis of functions. The Finite … matrices× 106 In linear algebra, an $m$x$n$ matrix maps vectors from space $R^m$ to $R^n$. Matrices are distinguished from multidimensional arrays, which is a general term for any rectangular array of informat… matlab× 102 MATLAB = MATrix LABoratory A scientific computing/programming software originally developed at the University of New Mexico and designed with particular emphasis on vector and matrix based operatio… finite-difference× 93 Referring to the discretization of derivatives by Finite differences, and its applications to numerical solutions of partial differential equations. python× 91 A general purpose high-level programming language that emphasizes ease of code syntax and readability. parallel-computing× 84 The study of solving computational problems by exploiting the use of multiple processors simultaneously. fluid-dynamics× 84 The study of the properties of fluids and gases in motion petsc× 71 an open source suite of data structures and routines for the scalable (parallel) solution of scientific applications modeled by partial differential equations. software× 67 Questions about libraries and standalone software designed or well-suited for scientific or numerical calculations. linear-solver× 62 Referring to methods for solving linear systems of equations. reference-request× 60 for requests for books, papers, and citations. performance× 57 Questions about the execution speed and memory usage of algorithms, data structures, languages and libraries. ode× 51 Ordinary Differential Equations (ODEs) contain functions of only one independent variable, and one or more of their derivatives with respect to that variable. This tag is intended for questions on mod… eigensystem× 50 a vector such that the action of the operator is the same as multiplication by a constant, called the eigenvalue. The eigensystem of an operator is the set of all suc… fenics× 49 Questions about the finite element method software FEniCS. c++× 47 A powerful object oriented programming language. computational-geometry× 46 The study of efficient algorithms and data structures to solve various problems involving point sets, line segments, polygons, polyhedra, simplices, etc. sparse× 46 Problems in which an operator or function can be represented with asymptotically less data than the naive representation. Not limited to sparse matrices. iterative-method× 45 A method which produces a sequence of numerical approximations which converges (provided technical conditions are satisfied) to the solution of a problem, generally through repeated applications of so… linear-programming× 42 Referring to optimization problems that consist only of linear constraints and a linear objective function. hpc× 41 High Performance Computing generally uses large arrays of computers connected in clusters or grids. simulation× 38 machine-learning× 36 libraries× 36 A collection of related programming functions implementing a set of abstract data types, mathematical functions, or other higher level analysis algorithms so that they may be used, and reused, by othe… fortran× 35 a general purpose programming language widely used by the scientific computing community. boundary-conditions× 35 For questions regarding the choice and/or appropriateness of conditions necessary to model a particular phenomenon with a partial differential equations. convex-optimization× 34 a special case of mathematical optimization where the feasible region is convex and the objective is to either minimize a convex function or maximize a concave function. statistics× 32 The study of collection, organization, analysis, and interpretation of data. stability× 31 The study of the propagation of errors in a numerical algorithm. computational-chemistry× 30 The branch of chemistry dealing with the use of mathematical models to solve problems in chemistry. convergence× 29 Questions related to whether the sequence of iterates generated by an iterative method has one or more limit points, and if those limit points have the correct properties.