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CHANGELOG.md

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3.3.9

  • [IMPROVEMENT] Added Dataframe empty initializer

  • [FEATURE] Converted Dataframe columns to a class Series

  • [FEATURE] Added more functionalities to the Random class eg: nextIntInRange, nextDoubleInRange, nextBytes, nextBigIntInRange, nextBigInt, nextDateTime, nextElementFromList, nextNonRepeatingIntList etc.

  • [IMPROVEMENT] isPrime function has been improved to use the trial division method for small numbers and Rabin-Miller for large numbers. Now support various data types:

    print(isPrime(5)); // Output: true (int)
print(isPrime(6)); // Output: false (int)
print(isPrime(BigInt.from(1433))); // Output: true (BigInt)
print(isPrime('567887653')); // Output: true (String)
print(isPrime('75611592179197710042')); // Output: false (String)
print(isPrime('205561530235962095930138512256047424384916810786171737181163')); // Output: true (String)

  • [FEATURE] Added more basic math functions: mod, modInv, nChooseRModPrime, bigIntNChooseRModPrime etc.

  • [FEATURE] Added more statistics math functions: gcf, egcd, lcm etc.

  • [IMPROVEMENT] In the Geometry class:

    • The class is splitted into Plane and Solid geometries.
    • In Point class: fixed example function calling, isCollinear computation is moved into GeoUtils, and use rec in the constructor fromPolarCoordinates.

  • [IMPROVEMENT] Added an argument isDegrees for rec and pol easy computation.

  • [IMPROVEMENT] Roman numerals to work with overline characters and parentheses.

  • [FEATURE] Added converts polar coordinate rec and converts rectangular coordinatespol functions

  • [FEATURE] Added an extension groupBy to the iterables and groupByKey to maps.

  • [FEATURE] Added more extensions to String class:

      String testString = "Hello123World456! Café au lait costs 3.50€. Contact: test@example.com or visit https://example.com";

  print(testString.extractLetters()); // Includes 'é'
  print(testString.extractNumbers(excludeDecimalsAndSymbols: false));
  print(testString.extractWords(excludeNumbers: false));
  print(testString.extractAlphanumeric(excludeSymbols: false));

  print(testString.extractLettersList(excludeSymbols: false));
  print(testString.extractNumbersList(excludeDecimalsAndSymbols: false));
  print(testString.extractEmails()); // Extracts email addresses
  print(testString.extractUrls()); // Extracts URLs

  // Custom pattern example: extract words starting with 'C'
  print(testString.extractCustomPattern(r'\bC\w+', unicode: false));

  • [IMPROVEMENT] Following the Dart format for libraries

  • [IMPROVEMENT] Cleaned code base and examples files

  • [IMPROVEMENT] Fixed README

3.3.8

  • [BUG_FIX] CoordinateType not set to UTM
  • [BUG_FIX] Change the data types of mean and correlation to num
  • [BROKEN] NumOrWords has been moved into code translators with the same name as Morse code.
  • [BROKEN] MorseCodeTranslator class has been renamed to MorseCode
  • [FEATURE] Added Dataframe class for working with dataframes or tables.
  • [IMPROVEMENT] Removed duplicate functions
  • [IMPROVEMENT] Enhanced combinations and permutations function:
    • The function now generates the actual combinations or permutations of elements, mimicking the behavior of the combinations function in R.
    • Added support for Lists as input for n.
    • Introduced optional func and simplify parameters for applying functions to combinations or permutations and controlling output structure.
    • Improved documentation with clearer explanations, examples, and comments.
  • [IMPROVEMENT] Cleaned code for expressions (symbolic math)
  • [IMPROVEMENT] Added doc-strings to some functions
  • [IMPROVEMENT] Added documentation of Morse code in the ReadMe file
  • [IMPROVEMENT] Fixed README

3.3.7

  • Fixed README
  • Added functions

3.3.6

  • Fixed bugs
  • Renamed Row, Column, and Diagonal matrices to RowMatrix, ColumnMatrix and DiagonalMatrix repectively

3.3.5

  • Added morse code
  • Added more math functions
  • Improved documentation and performance
  • Fixed bugs and aligned code

3.3.4

  • Added support for converting number to words
  • Added test for roman numerals.
  • Fixed bugs in Roman numerals
  • Added some string extension (e.g. capitalization, removeSpecialCharacters etc)

3.3.3

  • Setting support for expressions
  • Fixed errors in pow for both real and Complex numbers

3.3.2

  • Added some math constants
  • Fixed error in angles
  • Fixed error in parsing linear and constant polynomial strings
  • Increased the SDK

3.3.1

  • Added Interpolation

3.3.0

  • Added ZScore computation
  • Added more functions matrix statistics
  • Added multiple supports for determinant
  • Fixed bugs in Roman numerals
  • Fixed documentation inconsistencies

3.2.4

  • Fixed error in angles

3.2.3

  • Fixed error in angles conversion

3.2.2

  • Improved the checks on roman numerals
  • Added conversion between roman numerals and dates
  • Improved the flexibility in arithmetic with integer, roman strings and roman numbers
  • Fixed README file

3.2.1

  • Improved the checks on roman numerals

3.2.0

  • Added roman numerals
  • Added trigonometry functions supports to work with complex numbers
  • Added limit
  • Added factors
  • Fixed README file

3.1.0

  • Simplified Example file
  • Improved exponents of Complex numbers
  • Fixed bearingTo() in Point to include axis
  • Fixed return type of normalize from Angle
  • Fixed README file

3.0.0

  • Added Geometry (Point, line, Circle, Triangle, Polygon, etc.)
  • Added Polynomial (Linear, Quadratic, Cubic, Quartic, Durand-Kerner)
  • Added List and vecctors having same properties
  • Added NumPy's roll
  • Fixed README file

2.1.2

  • Fixed complex number outputing wrong string

2.1.1

  • Fixed bugs

2.1.0

  • Added arguments for diagonal
  • Improved min, max and sum functions with axes
  • Fixed bug with magic matrix not working for singly even numbers (6, 10, 14, 18, 22 etc).
  • Fixed bugs

2.0.2

  • Changed the reverse function to flip in matrices
  • Added magic() to the Maatrix constructors
  • Fixed bug in FileIO

2.0.1

  • Fixed bug

2.0.0

  • Fixed the usage of quantities in the respective computations
  • Implemented support for quantity
  • Fixed Web not supported
  • Fixed range
  • Fixed README

1.0.3

  • Fixed bugs
  • Fixed README

1.0.2

  • Conversion of angles(radians, degrees, gradients, DMS, and DM)
  • Organized code
  • Fixed bugs
  • Fixed README

1.0.0

  • Moved codes and reorganized functions
  • Fixed bugs

0.1.8

  • Fixed bugs (in null space)

0.1.7

  • Added rescale for both vectors and matrix
  • Improved vector compatibility with lists
  • Added operations on vectors such as expo, sum, prod, etc.
  • Fixed normalize function with options on the norm to use
  • Fixed Norm with options
  • Fixed bugs

0.1.5

  • Added support for distance calculation for vectors and matrices
  • Improved consistency in linear algebra
  • Added scale for vector types

0.1.4

  • Spercial matrices and vectors their functionalities
  • Fixed spellings in matrix structure properties
  • Added functions partioning of vectors subVector() and getVector()
  • Improved subMatrix() function
  • Fixed README

0.1.2

  • Fixed spellings in matrix structure properties
  • Added Vectors, Complex Numbers, and Complex Vectors to README
  • Fixed README

0.1.1

  • Fixed README

0.1.0

  • Improved indexOf() and random functionalities
  • Fixed README
  • Fixed bugs

0.0.9

  • Started benchmarking
  • Implemented matrix form rows and columns
  • Implemented Vectors, Complex nyumbers and Complex Vectors
  • Improved copyFrom() to retain or resize matrices
  • Improved matrix concatenate
  • Fixed README
  • Corrected anonotations
  • Fixed bugs

0.0.8

  • Added Exponential, logarithmic, and Matrix power (generalized, not just integer powers)
  • Added support to create from flattened arrays
  • Clean codes
  • Fixed bugs

0.0.7

  • Fixed matrix round
  • Fixed corrected README
  • Fixed bugs

0.0.6

  • Added matrix broadcast and replicate matrix
  • Added pseudoInverse of a matrix
  • Fixed corrected README
  • Fixed bugs

0.0.5

  • Added linear equation solver (cramersRule, ridgeRegression, bareissAlgorithm, inverseMatrix, gaussElimination, gaussJordanElimination, leastSquares, etc.)
  • Added function to compute matrix condition number with both SVD and norm2 approaches.
  • Added matrix decompositions
      • LU decompositions
        • Crout's algorithm
        • Doolittle algorithm
        • Doolittle algorithm with Partial Pivoting
        • Doolittle algorithm with Complete Pivoting
        • Gauss Elimination Method
      • QR decompositions
        • QR decomposition Gram Schmidt
        • QR decomposition Householder
      • LQ decomposition
      • Cholesky Decomposition
      • Eigenvalue Decomposition (incomplete)
      • Singular Value Decomposition
      • Schur Decomposition
  • Added matrix condition
  • Added support for exponential, logarithmic, and trigonometric functions on matrices
  • Added more matrix operations like scale,norm, norm2, l2Norms,
  • Added support for checking matrix properties.
  • Added class for Complex numbers
  • Added support for to auto detect matrix types.
  • Added scaleRow and addRow operations.
  • Implemented new constructors like tridiagonal matrix
  • Modified the Matrix.diagonal() to accept super-diagonal, diagonal, minor diagonals.
  • Implemented Iterator and Iterable interfaces for easy traversal of matrix elements
  • Provide methods to import and export matrices to and from other formats (e.g., CSV, JSON, binary)
  • Fixed bugs

0.0.3

  • Improved the arithmetic (+, -, *) functions to work for both scalars and matrices
  • Updated range to create row and column matrices
  • Added updateRow(), updateColumn, insertRow, insertColumn, appendRows, appendColumns
  • Added creating random matrix
  • Added more looks and feel to the toString() method
  • Corrected some wrong calculations
  • Fixed bugs
  • Fix README file

0.0.2

  • Added info on the README file.
  • Added more functionalities
  • Fixed bugs
  • Tests now works with most of the functions

0.0.1

  • initial release.