Tiny (607b gzipped), high performance utilities for performing 2/3D matrix calculations. Full unit test coverage, compatible with Node/CommonJS, AMD, and browser globals.
util = require 'matrix-utilities'
util.Identity() # returns new 3D identity matrix
util.add matrix1, matrix2 # returns matrix1 + matrix2
util.multiply matrix1, matrix2 # returns matrix1×matrix2
util.flip matrix # flip a matrix along x=y
util.to2d matrix
util.to3d matrixutil = require 'matrix-utilities'
# identity
matrix = util.Identity()
###
#=>
[
[1, 0, 0, 0]
[0, 1, 0, 0]
[0, 0, 1, 0]
[0, 0, 0, 1]
]
###
# to2d
util.to2d matrix
###
#=>
[
[1, 0, 0]
[0, 1, 0]
]
###
# flip
util.flip [
[1, 2, 3]
[4, 5, 6]
[7, 8, 9]
]
###
#=>
[
[1, 4, 7]
[2, 5, 8]
[3, 6, 9]
]
###
# add
one = [
[2, 4]
[6, 8]
]
two = [
[1, 3]
[5, 7]
]
util.add one, two
###
#=>
[
[3, 7]
[11, 15]
]
###
# multiply
one = [
[1, 2, 3]
[4, 5, 6]
[7, 8, 9]
]
two = [
[1, 2]
[3, 4]
[5, 6]
]
util.multiply one, two
###
#=>
[
[22, 28]
[49, 64]
[76, 100]
]
###