Maxima 5.43 數學符號運算專家系統-資安軟體/研究分析軟體/心理學軟體/新永資訊有限公司

Maxima 5.43 數學符號運算專家系統

Maxima 5.43 數學符號運算專家系統

  • Maxima 5.43 數學符號運算專家系統
  • 編號
  • 類別
  • 介紹
    Maxima是一種用LISP编寫的電腦代數系統(Computer Algebra System),用於公式推導與符號計算
  • 價格

Maxima 5.43

New items in core:
  • •  function cartesian_product_list: Cartesian product of lists.
  • •  function garbage_collect: trigger Lisp garbage collector.
  • •  variables maxima_frontend, maxima_frontend_version: inform build_info which user interface is in use.

New items in share:
  • •  killing.dem: a demo for Killing vector fields.
  • •  package logic: new function logic_simplify implements K-Map reduction(Quine-McCluskey algorithm)
Changes in core:
  • •  function to_cl: now autoloaded.
  • •  package linearalgebra: autoload all functions.
  • •  function run_testsuite: summary now not only tells which unexpectedly failed, but also which ones unexpectedly passed.
  • •  series expansion for expintegral_si and gamma_incomplete; breaks some existing tests, see commit 47a6afd.
  • •  function translate: generate code which translates conditional expressions with prederror = true

Changes in share:
  • •  package gentran: new version (thanks to Michael Stern)
  • •  package simplex: improvements, including symbolic inputs.
  • •  package ode: test cases.
  • •  package odepack: works with ECL.
  • •  package lapack: works with ECL.
  • •  package sarag: fix missing definition of SQUARE_FREE_ALGORITHM.
  • •  package sarag: make certificate proof more explicit (verify certificate)
  • •  share test suite: include tests for packages lapack, sym, and ode.
  • •  share test suite: a few simple tests for package odepack.
  • •  ezunits: conversion rule for nondimensional/(sum of dimensional)
  • •  ezunits: 0 now can have a dimension.
  • •  package draw: accepts color index number 0, 1, 2, ... 17.
  • •  package draw: accepts plot titles which are not strings.
  • •  package wrstcse: improved range and resolution of Monte Carlo analysis.

Maxima 數學符號運算專家系統

Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, sets, lists, vectors, matrices and tensors. Maxima yields high precision numerical results by using exact fractions, arbitrary-precision integers and variable-precision floating-point numbers. Maxima can plot functions and data in two and three dimensions.
The Maxima source code can be compiled on many systems, including Windows, Linux, and MacOS X. The source code for all systems and precompiled binaries for Windows and Linux are available at the SourceForge file manager.
Maxima is a descendant of Macsyma, the legendary computer algebra system developed in the late 1960s at the Massachusetts Institute of Technology. It is the only system based on that effort still publicly available and with an active user community, thanks to its open source nature. Macsyma was revolutionary in its day, and many later systems, such as Maple and Mathematica, were inspired by it.
The Maxima branch of Macsyma was maintained by William Schelter from 1982 until he passed away in 2001. In 1998 he obtained permission to release the source code under the GNU General Public License (GPL). It was his efforts and skill which have made the survival of Maxima possible, and we are very grateful to him for volunteering his time and expert knowledge to keep the original DOE Macsyma code alive and well. Since his death, a group of users and developers has formed to bring Maxima to a wider audience.
Maxima is updated very frequently, to fix bugs and improve the code and the documentation. We welcome suggestions and contributions from the community of Maxima users. Most discussion is conducted on the Maxima mailing list.

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