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0.9.5
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Install
install.packages('matlib')
Monthly Downloads
7,515
Version
0.9.5
License
GPL (>= 2)
Issues
5
Pull Requests
1
Stars
51
Forks
12
Repository
https://github.com/friendly/matlib
Maintainer
Michael Friendly
Last Published
August 21st, 2021
Functions in matlib (0.9.5)
Search functions
Det
Determinant of a Square Matrix
LU
LU Decomposition
Proj
Projection of Vector y on columns of X
Ginv
Generalized Inverse of a Matrix
Eigen
Eigen Decomposition of a Square Symmetric Matrix
Inverse
Inverse of a Matrix
MoorePenrose
Moore-Penrose inverse of a matrix
GramSchmidt
Gram-Schmidt Orthogonalization of a Matrix
QR
QR Decomposition by Graham-Schmidt Orthonormalization
J
Create a vector, matrix or array of constants
angle
Angle between two vectors
buildTmat
Build/Get transformation matrices
arrows3d
Draw 3D arrows
echelon
Echelon Form of a Matrix
cone3d
Draw a 3D cone
arc
Draw an arc showing the angle between vectors
corner
Draw a corner showing the angle between two vectors
R
Rank of a Matrix
gsorth
Gram-Schmidt Orthogonalization of a Matrix
SVD
Singular Value Decomposition of a Matrix
is_square_matrix
Test for square matrix
cholesky
Cholesky Square Root of a Matrix
gaussianElimination
Gaussian Elimination
class
Class Data Set
plotEqn
Plot Linear Equations
svdDemo
Demonstrate the SVD for a 3 x 3 matrix
plotEqn3d
Plot Linear Equations in 3D
Solve
Solve and Display Solutions for Systems of Linear Simultaneous Equations
len
Length of a Vector or Column Lengths of a Matrix
printMatEqn
Print Matrices or Matrix Operations Side by Side
circle3d
Draw a horizontal circle
matlib
matlib: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics.
cofactor
Cofactor of A[i,j]
powerMethod
Power Method for Eigenvectors
pointOnLine
Position of a point along a line
showEig
Show the eigenvectors associated with a covariance matrix
vandermode
Vandermode Matrix
tr
Trace of a Matrix
swp
The Matrix Sweep Operator
adjoint
Calculate the Adjoint of a matrix
regvec3d
Vector space representation of a two-variable regression model
printMatrix
Print a matrix, allowing fractions or LaTeX output
mpower
Matrix Power
symMat
Create a Symmetric Matrix from a Vector
rowCofactors
Row Cofactors of A[i,]
matrix2latex
Convert matrix to LaTeX equation
rowMinors
Row Minors of A[i,]
minor
Minor of A[i,j]
showEqn
Show Matrices (A, b) as Linear Equations
plot.regvec3d
Plot method for regvec3d objects
rowadd
Add multiples of rows to other rows
therapy
Therapy Data
workers
Workers Data
vectors3d
Draw 3D vectors
xprod
Generalized Vector Cross Product
vectors
Draw geometric vectors in 2D
rowmult
Multiply Rows by Constants
rowswap
Interchange two rows of a matrix
vec
Vectorize a Matrix