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Changelog

Noteworthy changes are documented in this file.

Unreleased

v3.2.0 - 2026-04-30

  • Internal improvements, bug fixes and performance improvements.

v3.1.1 - 2026-02-26

  • Java 11 required

  • Maven modules matheclipse-parser, matheclipse-logging, matheclipse-core are LGPL licensed

  • Maven modules matheclipse-gpl and dependents are GPL licensed

  • function documentation: symja_android_library/doc/function

  • migrate JUnit 3 to JUnit 4 (#861)

  • using apfloat 1.13.0, 1.14.0 Changelog

  • improved Position (#859)

  • improved FullSimplify, Simplify, Together (#856)

  • improved LeviCivitaTensor, Hypergeometric0F1Regularized, Hypergeometric1F1Regularized, Hypergeometric2F1Regularized

  • Fix bug in ComplexSym#powPositive) for n==0

  • fix some bugs in Limit

  • fix bugs in Minors (#766)

  • improve Definition add FullDefinition Save function (#972)

  • add SameTest option for FixedPoint*, Contains* and set functions Union, Intersectioin, Complement

  • very basic Matlab read file support(#982)

  • FindRoot: use Newton method as default instead of Brent (#974)

  • Search keywords in web interface without * at the end (#971)

  • FindMinimum, FindMaximum add method "SequentialQuadratic" 87857a8d29b721cb9879c7188f46f0071e9962b3

  • improve, fix bugs in Merge

  • added SubsetCases, SubsetReplace

  • improved N evaluation (#937, #942)

  • improved TrigExpand (#930)

  • use rational gcd and lcm in PolynomialGCD, PolynomialLCM

v3.0.0 - 2023-11-11

  • Java 11 required

  • Maven modules matheclipse-parser, matheclipse-logging, matheclipse-core are LGPL licensed

  • Maven modules matheclipse-gpl and dependents are GPL licensed

  • function documentation: symja_android_library/doc/function

  • new function DedekindNumber for first 0..9 Dedekind numbers

  • Renamed ISignedNumber (Symja 2.x) interface to IReal (Symja 3.x) interface

  • Renamed methods evalComplex->evalfc and evalDouble->evalf

  • improved NIntegrate with GaussKronrod method (Maven dependency de.labathome AdaptiveQuadrature

  • Hypergeometric2F1 uses apfloat algorithm for double and Complex values

  • EvalEngine#evalDouble() returns POSITIVE_INFINITY, NEGATIVE_INFINITY for Infinity, -Infinity

  • use eclipse-temurin:21_35-jre in JIB Docker script

  • improve PolynomialHomogenization with a Cos/Sin transform to find more solutions

  • implement SawtoothWave (#783)

  • improved Arg, ApplySides, Association, Assumptions, Bessel..., Binomial, BooleanFunction, Cancel, Carlson..., Catalan, CatalanNumber, CholeskyDecomposition, Chop, Complement, ComplexExpand, Count, CorrelationDistance, CosineDistance, D, Derivative, Drop, EigenValues, Eigenvectors, EllipticF, EllipticPi, FactorTerms, FindLinearRecurrence, Function, FunctionExpand, FullSimplify, GCD, Glaisher,Grad, HankelH1, HankelH2, HarmonicNumber, HermiteMatrix, HurwitzZeta, Hypergeometric..., Identity, IdentityMatrix, Import, ImportString, IntegerDigits, Intersection, Interval..., Khinchin, Limit, LinearRecurrence, ListConvolve, ListCorrelate, LogisticSigmoid, MantissaExponent, MapIndexed, MathMLForm, Max, Min, Minors, NMinimize, NestList, NestWhile, NestWhileList, NMaximize, NSolve, OrderedQ, Orthogonalize, PiecewiseExpand, PolyGamma, PowerExpand, PossibleZeroQ, Product, Projection, Quantity, RandomVariate, Range, ReleaseHold, Round, SatisfiabilityInstances, Simplify, Sign, Solve, SphericalHankelH1, SphericalHankelH2, StieltjesGamma, StringSplit, Subfactorial, Sum, Surd, TagSet, TagSetDelayed, Take, TakeLargestBy, TakeSmallestBy, TeXForm, TimeConstrained, Together, Unitize, Union, Zeta function

  • new functions: Adjugate, DeleteMissing, Eigensystem, FromSphericalCoordinates, HermiteH, JacobiP, NumericalOrder, NumericalSort, PrincipalComponents, RealValuedNumericQ, ReIm, SawtoothWave, StringForm, ToSphericalCoordinates with status PARTIAL support

  • new functions: ClebschGordan, ThreeJSymbol with status EXPERIMENTAL support

  • use hipparchus PowellOptimizer for non-linear functions in NMinimize,NMaximize

  • new function PearsonCorrelationTest for two vectors

  • icu4j library moved from Maven module matheclipse-io to new module matheclipse-nlp

  • implemented CompleteBipartiteGraphGenerator in function CompleteGraph

  • improved N function for Rule, RuleDelayed and Association arguments (#824)

  • define parser input \[ExponentialE] as E

  • improved TeXForm for EulerE

  • decoupled rules creation from symbol creation in RulePreprocessor implementation

  • improved LinearModelFit for vector inputs

  • improved performance for Nest, NestWhileList

  • built-in functions can have an ImplementationStatus

  • fix bug in Refine for Sin, Csc

  • improved LaplaceTransform and InverseLaplaceTransform with numerical calculations

  • define new TeXParser class based on SnuggleTeX implementation

  • use choco solver for solving Integers domain equations in Solve

  • added GenerateConditions->True option to Solve (especially for trigonometric functions)

  • new class MD2Symja - render Markdown to HTML

  • implemented PrecedenceForm, Infix, Prefix, Postfix

  • new opened/closed ends interval data object IntervalData({min-value, Less/LessEqual, Less/LessEqual, max-value})

  • implemented NormalMatrixQ, FourierDCTMAtrix, FourierDSTMatrix

  • implemented AASTriangle, ASATriangle, SASTriangle,SSSTriangle

  • new ArcLength, Area, Perimeter, Volume functions

  • use github.com/jsxgraph/json2D_JSXGrap for 2D Graphics, DiscretePlot, ListLinePlot, ListPlot, LogPlot, LogLogPlot, LogLinearPlot, ListLogPlot, ListLogLinearPlot, ListLogLogPlot objects

  • new TrigSimplifyFu function (#498)

  • new TransformationFunction, RotationTransform, ScalingTranform, ShearingTransform, TranslationTransform (#583)

  • new SequenceCases, SequenceReplace, SequenceSplit

  • SymjaBot - Discord bot

  • new KroneckerProduct, Hyperfactorial, LowerTriangularMatrixQ, UnitaryMatrixQ, UpperTriangularMatrixQ

  • new CoordinateBounds, ArrayFlatten, HessenbergDecomposition, SchurDecomposition

  • implemented multivariate Newton’s method in the FindRoot function (#566)

  • new ModularInverse, CompositeQ, ConvexHullMesh, CoordinateBoundingBox, QuantityUnit, PadeApproximant, FactorTermsList

  • new BooleanFunction (#527)

  • jbang enablement (#515)

  • new FactorialPower, LerchPhi, HurwitzLerchPhi, Hypergeometric1F1, HypergeometricPFQ

  • implemented Kryo serializer and deserializer (#514)

  • new InverseJacobi... functions (#501)

v2.0.0 - 2022-03-12

  • Java 11 required
  • first Maven Central release (contributed by @HannesWell)
  • Maven modules matheclipse-parser, matheclipse-logging, matheclipse-core are LGPL licensed
  • Maven modules matheclipse-gpl and dependents are GPL licensed
  • Symja script engine moved to Maven module matheclipse-script
  • unified/refactored logging - moved basics into new matheclipse-logging Maven module (contributed by @HannesWell)
  • new matheclipse-jar Maven module to create docker container: https://hub.docker.com/r/symja/symja-2.0
  • new matheclipse-discord Maven module for a discord bot based on Discord4J
  • improved graphical output in browser apps: https://github.com/axkr/symja_android_library/wiki/Browser-apps
  • browser app Javascript graphics now contains a jsfiddle button to analyze the generated jsxgraph, mathcell and plotly iframe sources.
  • improved JSON API: https://github.com/axkr/symja_android_library/wiki/API
  • pattern-matching made more compatible with Mathematica pattern-matching
  • improved rationalization of Java double numbers in Rationalize
  • improved FindMinimum, FindMaximum, FindRoot
  • new IAST interface implementation ASTRRBTree uses "structural sharing" similar like collections in Scala or Clojure for example for improved Expand performance for very large expressions.
  • new functions: BioSequence, BioSequenceQ
  • new functions: ApplySides, AddSides, DivideSides, MultiplySides, SubtractSides
  • improvements for expressions objects: Association, Dataset, Graph, Quantity, SparseArray
  • improvements in PiecewiseExpand, PossibleZeroQ, Solve, Eliminate, FunctionExpand, FullSimplify functions
  • new CarlsonRD, CarlsonRF, CarlsonRG, CarlsonRJ,... functions
  • uses mathics-threejs-backend for Graphics3D, ListLinePlot3D, ListPointPlot3D, ListPlot3D functions: https://github.com/Mathics3/mathics-threejs-backend (contributed by @TiagoCavalcante)
  • improved JSON for ImportString, ExportString
  • improved String Regex functions for example in StringSplit, StringReplace functions
  • uses Janino compiler for Compile function: https://github.com/janino-compiler/janino; improved CompilePrint function

Contributers