qlinear alternatives and similar packages
Based on the "Math" category.
Alternatively, view qlinear alternatives based on common mentions on social networks and blogs.
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vector
An efficient implementation of Int-indexed arrays (both mutable and immutable), with a powerful loop optimisation framework . -
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hgeometry
HGeometry is a library for computing with geometric objects in Haskell. It defines basic geometric types and primitives, and it implements some geometric data structures and algorithms. The main two focusses are: (1) Strong type safety, and (2) implementations of geometric algorithms and data structures that have good asymptotic running time guarantees. -
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dimensional
Dimensional library variant built on Data Kinds, Closed Type Families, TypeNats (GHC 7.8+). -
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numhask
A haskell numeric prelude, providing a clean structure for numbers and operations that combine them. -
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poly
Fast polynomial arithmetic in Haskell (dense and sparse, univariate and multivariate, usual and Laurent) -
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eigen
Haskel binding for Eigen library. Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.
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README
QLinear
QLinear is type safe library for linear algebra based on "macro-constructors"
Constructors:
matrix
[matrix| a b ; c d |]builds matrix 2x2[ [a, b], [c, d] ]Example:
[matrix| 1 2; 3 4 |] ~+~ [matrix| 2 3; 4 5 |] == [matrix| 3 5; 7 9 |]Also you can't, for example, add two matrix with different size.
[matrix| 1 2; 3 4 |] ~+~ [matrix| 1 2 3; 4 5 6; 7 8 9 |] -- will not be compiled- vector
>
[vector| a b c d |]builds matrix 4x1[ [a], [b], [c], [d] ]
- vector
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operator
[operator| (x, y) => (y, x) |]builds matrix 2x2 of operator[ [0, 1], [1, 0] ]that swaps coodrinates
[operator| (x, y) => (2 * x, y) |]builds matrix 2x2 of operator[ [2, 0], [0, 1] ]that doublesxcoordinate
Example:
haskell
[operator| (x, y) => (3 * y, x / 2) |] ~*~ [vector| 2 8 |] == [vector| 24 1 |]
Syntax:
- matrix:
val11 val12 .. val1n; val21 val22 .. val2n; ..; valm1 valm2 .. valmn - vector:
val1 val2 .. valn - operator:
(var1, var2, .., varn) => (exp1, exp2, .., expn)
wherevalisnumber literal,variableorany Haskell expressionbetween(and)varis Haskell variable
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expis any Haskell expressionAlso there are basic operations as determinant, transposition, etc.