• DLMF

  • Referenced in 2889 articles [sw04968]
  • development. For example, LaTeX files are being used as the common source for both ... well suited to equation search, for example, or for input to computer algebra systems. These ... companion paper by {it B. R. Miller} and {it A. Youssef} lbrack ibid...
  • Spalart-Allmaras

  • Referenced in 577 articles [sw40754]
  • Model (SA). The following equations represents the most commonly-used implementation of the Spalart-Allmaras ... Spalart, P. R. and Allmaras, S. R., ”A One-Equation Turbulence Model for Aerodynamic Flows...
  • MICE

  • Referenced in 169 articles [sw09315]
  • R package mice: Multivariate Imputation by Chained Equations. Multiple imputation using Fully Conditional Specification...
  • glasso

  • Referenced in 510 articles [sw07432]
  • structure in an undirected Gaussian graphical model, using ℓ 1 regularization to control the number ... matrix Θ=Σ -1 [2, 11]. The R package glasso [5] is popular, fast ... outperform glasso. By studying the “normal equations” we see that, glasso is solving the dual...
  • FISHPAK

  • Referenced in 103 articles [sw08012]
  • more general separable elliptic equations. The solvers use the cyclic reduction algorithm. When the problem ... system are handled, including at the origin r=0 in cylindrical coordinates...
  • PDE2D

  • Referenced in 49 articles [sw04270]
  • computational solution of ordinary and partial differential equations. Readers gain a thorough understanding ... learning how to write programs using FORTRAN90 and MATLAB(r) to solve ordinary and partial ... equations are solved. The following four chapters introduce and analyze the more commonly used finite...
  • nleqslv

  • Referenced in 27 articles [sw11617]
  • R package nleqslv: Solve Systems of Nonlinear Equations. Solve a system of nonlinear equations using...
  • sem

  • Referenced in 34 articles [sw04525]
  • R package sem: Structural Equation Models , This package contains functions for fitting general linear structural ... equation models (with observed and unobserved variables) using the RAM approach, and for fitting structural...
  • YUIMA

  • Referenced in 48 articles [sw11399]
  • fractional Ornstein-Uhlenbeck process and the Yuima R package. This paper proposes consistent and asymptotically ... Uhlenbeck process solution of the stochastic differential equation dY t =-λY t dt+σdW ... paper also provides ready-to-use software for the R statistical environment based...
  • FracSym

  • Referenced in 29 articles [sw16769]
  • point symmetries for fractional order differential equations (FDEs) using the method as described ... R. K. Gazizov et al. [“Continuous transformation groups of fractional differential equations”, Vestn. USATU ... Symmetry properties of fractional diffusion equations”, Phys. Scr. 2009, T136, Article ... which uses routines from the MAPLE symmetry packages DESOLVII [K. T. Vu et al., Comput...
  • GYSELA

  • Referenced in 44 articles [sw17825]
  • drift-kinetic equations for ion temperature gradient driven turbulence in a cylinder (r ... depends on the parallel velocity. This code uses a semi-Lagrangian numerical scheme, which exhibits...
  • pracma

  • Referenced in 15 articles [sw11626]
  • R package pracma: Practical Numerical Math Functions. Functions from numerical analysis and linear ... algebra, numerical optimization, differential equations, plus some special functions. Uses Matlab function names where appropriate...
  • dynsurv

  • Referenced in 5 articles [sw15851]
  • R package dynsurv. Functions to fit time-varying coefficient models for interval censored and right ... varying coefficients for right censored data using estimating equations...
  • kequate

  • Referenced in 5 articles [sw20025]
  • R package kequate: The Kernel Method of Test Equating. Performing the Kernel Method of Test ... equating, and (5) computing the standard error of equating and the standard error of equating ... post- stratification equating, and non-equivalent groups using covariates. An R package for the kernel ... smoothing step for use in conjunction with the R function...
  • TIDES

  • Referenced in 41 articles [sw06664]
  • TIDES, a Taylor Series Integrator for Differential EquationS. We present a new free software called ... using an optimized variable-stepsize variable-order formulation. This software, developed by A. Abad, R...
  • psych

  • Referenced in 45 articles [sw04549]
  • R package psych: Procedures for Psychological, Psychometric, and Personality Research , A number of routines ... psychology. Functions are primarily for scale construction using factor analysis, cluster analysis and reliability analysis ... descriptive statistics. Item Response Theory is done using factor analysis of tetrachoric and polychoric correlations ... functions serve as a useful front end for structural equation modeling. Graphical displays of path...
  • Systemfit

  • Referenced in 17 articles [sw08894]
  • R package systemfit: Estimating Systems of Simultaneous Equations. This package contains functions for fitting ... simultaneous systems of linear and nonlinear equations using Ordinary Least Squares (OLS), Weighted Least Squares...
  • LSODA

  • Referenced in 30 articles [sw27217]
  • Equation Solver for Stiff or Non-Stiff System. LSODA, written jointly with L. R. Petzold ... nonstiff (Adams) and stiff (BDF) methods. It uses the nonstiff method initially, and dynamically monitors...
  • RootSolve

  • Referenced in 20 articles [sw08339]
  • R package rootSolve: Nonlinear root finding, equilibrium and steady-state analysis of ordinary differential equations ... state and equilibrium analysis of ordinary differential equations (ODE). Includes routines that: (1) generate gradient ... banded), (2) find roots of non-linear equations by the Newton-Raphson method, (3) estimate ... system of (differential) equations in full, banded or sparse form, using the Newton-Raphson method...
  • pseudosurv

  • Referenced in 8 articles [sw29281]
  • R functions to compute pseudo-values for censored data regression. Recently, in a series ... using standard generalized estimating equation software. Here we present SAS macros and R functions ... compute these pseudo-values. We illustrate the use of these routines and show...