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Install
install.packages('matlib')
Monthly Downloads
5,443
Version
0.9.1
License
GPL (>= 2)
Issues
5
Pull Requests
1
Stars
55
Forks
13
Repository
https://github.com/friendly/matlib
Maintainer
Michael Friendly
Last Published
April 4th, 2018
Functions in matlib (0.9.1)
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Solve
Solve and Display Solutions for Systems of Linear Simultaneous Equations
matlib
matlib: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics.
corner
Draw a corner showing the angle between two vectors
matrix2latex
Convert matrix to LaTeX equation
plotEqn3d
Plot Linear Equations in 3D
pointOnLine
Position of a point along a line
len
Length of a Vector or Column Lengths of a Matrix
showEig
Show the eigenvectors associated with a covariance matrix
regvec3d
Vector space representation of a two-variable regression model
showEqn
Show Matrices (A, b) as Linear Equations
rowCofactors
Row Cofactors of A[i,]
powerMethod
Power Method for Eigenvectors
is_square_matrix
Test for square matrix
vectors3d
Draw 3D vectors
rowswap
Interchange two rows of a matrix
echelon
Echelon Form of a Matrix
rowmult
Multiply Rows by Constants
printMatEqn
Print Matrices or Matrix Operations Side by Side
workers
Workers Data
cofactor
Cofactor of A[i,j]
gaussianElimination
Gaussian Elimination
rowMinors
Row Minors of A[i,]
gsorth
Gram-Schmidt Orthogonalization of a Matrix
rowadd
Add multiples of rows to other rows
class
Class Data Set
plot.regvec3d
Plot method for regvec3d objects
plotEqn
Plot Linear Equations
vandermode
Vandermode Matrix
tr
Trace of a Matrix
cone3d
Draw a 3D cone
minor
Minor of A[i,j]
svdDemo
Demonstrate the SVD for a 3 x 3 matrix
mpower
Matrix Power
symMat
Create a Symmetric Matrix from a Vector
vec
Vectorize a Matrix
swp
The Matrix Sweep Operator
vectors
Draw geometric vectors in 2D
therapy
Therapy Data
Det
Determinant of a Square Matrix
arrows3d
Draw 3D arrows
LU
LU Decomposition
Inverse
Inverse of a Matrix
Proj
Projection of Vector y on columns of X
Eigen
Eigen Decomposition of a Square Symmetric Matrix
SVD
Singular Value Decomposition of a Matrix
arc
Draw an arc showing the angle between vectors
J
Create a vector, matrix or array of constants
buildTmat
Build/Get tranformation matricies
Ginv
Generalized Inverse of a Matrix
cholesky
Cholesky Square Root of a Matrix
R
Rank of a Matrix
QR
QR Decomposition by Graham-Schmidt Orthonormalization
adjoint
Calculate the Adjoint of a matrix
GramSchmidt
Gram-Schmidt Orthogonalization of a Matrix
angle
Angle between two vectors
circle3d
Draw a horizontal circle