symja_java8-2020-12-12

Under Windows use

• guisymja.bat to run Symja as a web browser notebook
• guisymjamma.bat to run Symja as a web browser notebook in Mathematica syntax mode
• symja.bat to run Symja as a console app
• symjamma.bat to run Symja as a console in Mathematica syntax mode
• jsonapi-server.bat to run the JSON-API server

Main changes:

• many small bug fixes and improvements
• much more Mathematica packages can imported in the MMA webbrowser and console app
  Example: <<"https://raw.githubusercontent.com/antononcube/MathematicaForPrediction/master/SSparseMatrix.m"
• refactored files based functions into package matheclipse-io
• improved string functions with better regex (string patterns) support
• SparseArray support
• Dataset, SemanticImport, SemanticImportString support
• Compile and CompilePrint support
• TestReport, VerificationTest unit test support

symja_java8-2020-03-18

• Under Windows use symja.bat to run Symja
• Under Windows use the symjamma.bat to run Symja in Mathematica syntax mode

Main changes:

• bug fixes
• #170 use tablesaw via SemanticImport, SemanticImportString
• added associations <| ... |> Functions: Counts, Keys, KeySort, KeyExistsQ, Values, Lookup, Part
• jas 2.6.6000
• JGraphT 1.4.0
• commonmark 0.14.0
• LogicNG 1.6.2
• more String... and Plot... functions, KleinInvariantJ, ArgMax, ArgMin, OrthogonalMatrixQ, Hypergeometric0F1, Hypergeometric2F1, DigitCount, GroupBy, TakeLargest, TakeLargestBy, MinMax, Ramp, JacobiAmplitude, BaseForm, JacobiCN, JacobiDN, JacobiSN
• AbsoluteCorrelation for vector args
• Implement ND() numerical differentiation for double values
• improve interval arithmetic
• Mod for 3 args
• update MersennePrimeExponent functions for 46,47
• #173 Sech[Log[5/3]] returns 3/4. Correct answer is 15/17
• #172 - bugs in EllipticPi, EllipticF, Bessel functions
• #169 replace filter() with select() method
• #166 FunctionExpand markdown nested Sqrt() example
• #160 Speed up ExpandAll
• #155 Integrate(x^2,{x,-2,2}) returns wrong result 0
• #153 Int(E^(-x^2), x) gives wrong result in numeric mode
• #152 FullSimplify(-Sqrt(9-4Sqrt(5))+Sqrt(9+4Sqrt(5)))
• #145 Round function

symja_java8-2019-10-18

• Under Windows use symja.bat to run Symja
• Under Windows use the symjamma.bat to run Symja in Mathematica syntax mode (allows import of Mathematica packages with Get[])

Main changes:

• implemented more graph theory functions
• Graph theory functions uses vis-network JavaScript for displaying graphs
• TreeForm uses vis-network JavaScript for displaying expressions as trees
• Manipulate, Plot, ListPlot, ListLinePLot, ParametricPlot use generated JavaScript output for JSXGraph framework
• Example: Plot(Piecewise({{x^2, x < 0}, {x, x >= 0&&x<1},{Cos(x-1), x >= 1}}), {x, -2, 12})
• #139 Quantity malfunction with value of 1
• #142 unable to calculate Simplify(-3+2*x+x^2==0)
• #143 Create LucasL and Fibonacci polynomials
• #145 improve Round function
• #147 InverseBetaRegularized, GammaRegularized not implemented in numeric mode.
• #150 avoid StackOverflow in NIntegrate
• #151 "Numerator function gives wrong result in numeric mode"

symja_java8-2019-07-29

• Under Windows use symja.bat to run Symja
• Under Windows use the symjamma.bat to run Symja in Mathematica syntax mode (allows import of Mathematica packages with Get[])

Main changes:

• new Manipulate() function: Manipulate(Plot(Sin(x)*Cos(1 + a*x), {x, 0, 2*Pi}), {a,0,10})
• new Graph theory algorithms based on JGraphT: Graph({1 -> 2, 2 -> 3})
• F.show(expr) shows Manipulate, Plot, Plot3D, ListPlot, ParametricPlot or Graph if you set Config.USE_MATHCELL=true or Config.USE_VISJS=true
• updated libraries apfloat 1.9.0, commonmark 0.13.0, LogicNG version 1.5.2

symja_java8-2019-05-23

• Under Windows use symja.bat to run Symja
• Under Windows use the symjamma.bat to run Symja in Mathematica syntax mode (allows import of Mathematica packages with Get[])

Main changes:

• Improved compatibility of Symja functions and pattern-matching with Mathematica functions
  https://github.com/axkr/symja_android_library/blob/master/symja_android_library/doc/functions
• Improved Simplify, FullSimplify
• Issue #70 improve port of Rubi 4.16 to Symja
• use JAS version 2.6.5988
• use LogicNG version 1.5.1
• added F.symjify() method for parsing and evaluating Java objects
• issue #98 functions BinarySerialize, BinaryDeserialize to handle WXF Format
• Fix issue #101 avoid NPE in LogicNG QuineMcCluskeyAlgorithm (BooleanMinimize function)
• issue #106 Use java-math-library for FactorInteger()
• Fix issue #121 Exception occurs when calculate determinant of non-square matrix
• Fix issue #122 Calculating polynomial discriminant of quintic gives wrong result

symja_java8-2018-11-30

• Under Windows use symja.bat to run Symja
• Under Windows use the symjamma.bat to run Symja in Mathematica syntax mode (with import of packages)

Main changes:

• Issue #101 QuineMcCluskeyAlgorithm needs DNF Formula as input
• Issue #102 JAS version 2.6.5961
• Issue #103 Use BracketingNthOrderBrentSolver instead of BrentSolver
• fix bug in call to Im#imPowerComplex()
• Fix bug in expression: List @@@ (1+2+3)
• Use hipparchus 1.4 and guava 27.0

symja_java8-2018-11-01

• Under Windows use symja.bat to run Symja
• Under Windows use the symjamma.bat to run Symja in Mathematica syntax mode (with import of packages)

Main changes:

• Issue #67: Port quantity functions from tensor project
• Issue #70: Port Rubi 4.16 to Symja
• Issue #83: FRatioDistribution and ChiSquaredDistribution
• Issue #98: WXF functions BinarySerialize, BinaryDeserialize
• Issue #99: Make VectorAnalysis.m package usable

symja_java8-2018-06-18

Changes:

• Issue #55: Use java10 jshell to run a java/symja repl

• Issue #51: Run scripts from Console or MMAConsole app

• Issue #48: delete final from Config.DOUBLE_TOLERANCE definition

• Issue #38: Moved ExprPreprocessor to https://github.com/axkr/java_codegen

• Issue #31 fix bug in Rationalize function

• Issue #24 Implement Series...() functions (not finished)

• BooleanMinimize use logicng 1.4.0 release - see logic-ng/LogicNG#12

• improved FullSimplify, FunctionExpand, PolyGamma, MapIndexed, BesselJ, Inequality, IntegerPartitions, Table, Limit, Gamma, GammaRegularized, HarmonicNumber

• use SeriesData in Coefficient, CoefficientList, Exponent functions

• Cyclotomic polynomials

• LinearRecurrence(list1, list2, n) function

• ASCII Art Symja Logo for Console, MMAConsole

• SquareMatrixQ function

• refactor parsers to improve maintainability - delete ExprScanner class

• Convergents({n1, n2, ...})

• ContinuedFraction for argument Sqrt( d ) with d positive integer

• IntegerDigits, FromDigits function

• Sudivide() function

• FrobeniusNumber function

• EulerPhi, MoebiusMu, CarmichaelLambda improvements for negative arg

• Refactor InterpolatingFunction by using a Piecewise polynomial

• Median function for distributions

• IntegerSym cache for ints -128 < i <128

• Orthogonalize function

• HoldPattern function

• Improve CoefficientList function for multivariate polynomials

• org.matheclipse.core.convert.TreeForm class - display an ASCII tree of a Symja expression

• Exists(), ForAll() functions

• JacobiZeta() function

• Introduced Config.DOMINANT_IMPLICIT_TIMES Config.EXPLICIT_TIMES_OPERATOR (== true in RulePreprocessor)

symja_java8-2018-03-02

breaking changes:

• Issue #18: Setting for disabling lazy evaluation of multiplication

other changes:

• Quantile, IntegerPart, FractionalPart improved
• new Clip function
• new MangoldtLambda function
• new Unitize function
• new QuotientRemainder function
• Issue #12 - implement Cross for 2 vectors with 2 elements
• Issue #4 - MeanDeviation() function
• improved Solve function
• use LogicNG for logic functions
• improved SatisfiabilityCount, SatisfiabilityInstances, SatisfiableQ, TautologyQ function
• improved BooleanConvert function using methods "DNF" and "CNF"
• new CirclePoints function
• improved Limit function
• Improve Tr function for vectors as first argument
• improved Console and MMAConsole app
• Fixed bugs in MathML output format

symja_java8-2017-11-10

• use hipparchus 1.2
• Transpose for index permutations
• Ordering, TensorDimensions, TensorRank
• ListConvolve, ListCorrelate, Accumulate
• Correlation, Covariance, Median, Kurtosis, RotateLeft, RotateRight, Skewness, StandardDeviation, Variance, Quantile
• Diagonal() function
• LeastSquares(matrix, vector) function
• DiagonalMatrix, HilbertMatrix, IdentityMatrix, FourierMatrix, ToeplitzMatrix, LowerTriangularize, UpperTriangularize

In the console available functions can be determined with the ? operator. Example

>> ?ArcC*
ArcCos, ArcCosh, ArcCot, ArcCoth, ArcCsc, ArcCsch