All Versions
82
Latest Version
Avg Release Cycle
34 days
Latest Release
740 days ago
Changelog History
Page 6
Changelog History
Page 6
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v0.31.0 Changes
July 02, 2017๐ New Features
- Hypergeometric distribution
- Discrete uniform distribution
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v0.30.0 Changes
June 11, 2017๐ New Features
- Dirichlet multivariate distribution
- Gamma distribution
- ๐ Initial eigenvalue matrix method
- ๐ Initial eigenvector matrix method
- Confidence ellipse
๐ Improvements
- Internal Bitwise addition
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v0.29.0 Changes
May 21, 2017๐ New Features
- Matrix rank
- ObjectArithmetic interface
- Polynomial implements ObjectArithmetic
- ObjectSquareMatrix
- Polynomial negate
๐ Improvements
- ๐จ Refactor Matrix REF algorithm
- ๐จ Refactor Matrix RREF algorithm
- ๐ Support functions for better handling of infinitesimal floating-point zero-like quantities
- ๐ Fix bug in Polynomial degree calculation
- ๐จ Refactored Polynomial::add() to be simpler and faster
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v0.28.0 Changes
May 02, 2017๐ New Features
- Matrix adjugate
- Polynomial subtract
๐ Improvements
- ๐จ Internal refactoring/improvements
- Tests namespace for unit tests
- Standardize method naming convention
- Update PHPUnit exception assertion
- Replace class strings in tests with class constants
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v0.27.0 Changes
April 23, 2017๐ New Features
- Matrix
- Cholesky decomposition
- isRref
- Exchange matrix
- isInvolutory
- isSignature
- Hilbert matrix
- isUpperBidiagonal
- isLowerBidiagonal
- isBidiagonal
- Quartic function roots
- Trigonometry unit circle
- Integer
- isOdd
- isEven
- Matrix
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v0.26.0 Changes
April 15, 2017๐ New Features
- ๐ Initial Complex number class
- ๐ Complex number support to quadratic and cubic equations
- ๐ Initial Eigenvalue strategy class (2x2 and 3x3 matrices using root equations)
- Matrix
- isLowerTriangular
- isUpperTriangular
- isTriangular
- isDiagonal
- Beta function convenience method
๐ Improvements
- โ Add BadDataException to LeastSquares regression method trait if degrees of freedom is 0
- Complex Root of Quadratic Function
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v0.25.0 Changes
April 01, 2017๐ New Features
- Matrix
- isSingular
- isNonsingular
- isInvertible
- leadingPrincipalMinor
- isPositiveDefinite
- isPositiveSemidefinite
- isNegativeDefinite
- isNegativeSemidefinite
- Number Theory
- Integer coprime
- Arithmetic
- digitSum
- digitalRoot
- Basic sequences
- digitSum
- digitalRoot
- Matrix
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v0.24.0 Changes
March 26, 2017๐ New Features
- Arithmetic cube root
- Algebra cubic equation
- Matrix Kronecker sum
- Vector Kronecker product
- Number theory prime factorization
๐ Improvements
- ๐ Improved quadratic equation edge case handling
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v0.23.0 Changes
March 12, 2017๐ New Features
- Number Theory - Integers
- Perfect powers
- Advanced Sequences
- Perfect powers
- Not perfect powers
- Primes up to n
- Algebra
- Quadratic equation
- Number Theory - Integers
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v0.22.0 Changes
January 31, 2017๐ New Features
- Circular statistics (directional statistics)
- Circular mean
- Resultant length
- Mean resultant length
- Circular variance
- Circular standard deviation
- Describe
- Finance profitability index
๐ Improvements
- โก๏ธ Update Finance payback to be both simple and discounted payback
- Circular statistics (directional statistics)