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Install
install.packages('matlib')
Monthly Downloads
7,227
Version
0.9.2
License
GPL (>= 2)
Issues
2
Pull Requests
1
Stars
48
Forks
10
Repository
https://github.com/friendly/matlib
Maintainer
Michael Friendly
Last Published
May 29th, 2019
Functions in matlib (0.9.2)
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cholesky
Cholesky Square Root of a Matrix
MoorePenrose
Moore-Penrose inverse of a matrix
buildTmat
Build/Get tranformation matricies
arrows3d
Draw 3D arrows
gsorth
Gram-Schmidt Orthogonalization of a Matrix
mpower
Matrix Power
is_square_matrix
Test for square matrix
R
Rank of a Matrix
Solve
Solve and Display Solutions for Systems of Linear Simultaneous Equations
plot.regvec3d
Plot method for regvec3d objects
adjoint
Calculate the Adjoint of a matrix
SVD
Singular Value Decomposition of a Matrix
circle3d
Draw a horizontal circle
J
Create a vector, matrix or array of constants
angle
Angle between two vectors
arc
Draw an arc showing the angle between vectors
matlib
matlib: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics.
len
Length of a Vector or Column Lengths of a Matrix
echelon
Echelon Form of a Matrix
gaussianElimination
Gaussian Elimination
printMatEqn
Print Matrices or Matrix Operations Side by Side
printMatrix
Print a matrix, allowing fractions or LaTeX output
pointOnLine
Position of a point along a line
powerMethod
Power Method for Eigenvectors
cone3d
Draw a 3D cone
cofactor
Cofactor of A[i,j]
class
Class Data Set
matrix2latex
Convert matrix to LaTeX equation
rowMinors
Row Minors of A[i,]
svdDemo
Demonstrate the SVD for a 3 x 3 matrix
corner
Draw a corner showing the angle between two vectors
plotEqn
Plot Linear Equations
showEig
Show the eigenvectors associated with a covariance matrix
plotEqn3d
Plot Linear Equations in 3D
showEqn
Show Matrices (A, b) as Linear Equations
swp
The Matrix Sweep Operator
tr
Trace of a Matrix
rowadd
Add multiples of rows to other rows
vec
Vectorize a Matrix
vectors
Draw geometric vectors in 2D
vandermode
Vandermode Matrix
minor
Minor of A[i,j]
rowmult
Multiply Rows by Constants
rowswap
Interchange two rows of a matrix
regvec3d
Vector space representation of a two-variable regression model
rowCofactors
Row Cofactors of A[i,]
vectors3d
Draw 3D vectors
symMat
Create a Symmetric Matrix from a Vector
therapy
Therapy Data
workers
Workers Data
Det
Determinant of a Square Matrix
Ginv
Generalized Inverse of a Matrix
GramSchmidt
Gram-Schmidt Orthogonalization of a Matrix
Eigen
Eigen Decomposition of a Square Symmetric Matrix
LU
LU Decomposition
Proj
Projection of Vector y on columns of X
QR
QR Decomposition by Graham-Schmidt Orthonormalization
Inverse
Inverse of a Matrix