Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics

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Documentation for package ‘matlib’ version 0.9.8

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

matlib-package	matlib: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics.
adjoint	Calculate the Adjoint of a matrix
angle	Angle between two vectors
arc	Draw an arc showing the angle between vectors
arrows3d	Draw 3D arrows
as.matrix.trace	Build/Get transformation matrices
buildTmat	Build/Get transformation matrices
cholesky	Cholesky Square Root of a Matrix
circle	Draw circles on an existing plot.
circle3d	Draw a horizontal circle
class	Class Data Set
cofactor	Cofactor of A[i,j]
cone3d	Draw a 3D cone
corner	Draw a corner showing the angle between two vectors
Det	Determinant of a Square Matrix
echelon	Echelon Form of a Matrix
Eigen	Eigen Decomposition of a Square Symmetric Matrix
gaussianElimination	Gaussian Elimination
getYmult	Correct for aspect and coordinate ratio
Ginv	Generalized Inverse of a Matrix
GramSchmidt	Gram-Schmidt Orthogonalization of a Matrix
gsorth	Gram-Schmidt Orthogonalization of a Matrix
inv	Inverse of a Matrix
Inverse	Inverse of a Matrix
J	Create a vector, matrix or array of constants
len	Length of a Vector or Column Lengths of a Matrix
LU	LU Decomposition
matlib	matlib: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics.
matrix2latex	Convert matrix to LaTeX equation
minor	Minor of A[i,j]
MoorePenrose	Moore-Penrose inverse of a matrix
mpower	Matrix Power
plot.regvec3d	Plot method for regvec3d objects
plotEqn	Plot Linear Equations
plotEqn3d	Plot Linear Equations in 3D
pointOnLine	Position of a point along a line
powerMethod	Power Method for Eigenvectors
print.enhancedMatrix	Gaussian Elimination
print.regvec3d	Plot method for regvec3d objects
print.trace	Build/Get transformation matrices
printMatEqn	Print Matrices or Matrix Operations Side by Side
printMatrix	Print a matrix, allowing fractions or LaTeX output
Proj	Projection of Vector y on columns of X
QR	QR Decomposition by Graham-Schmidt Orthonormalization
R	Rank of a Matrix
regvec3d	Vector space representation of a two-variable regression model
regvec3d.default	Vector space representation of a two-variable regression model
regvec3d.formula	Vector space representation of a two-variable regression model
rowadd	Add multiples of rows to other rows
rowCofactors	Row Cofactors of A[i,]
rowMinors	Row Minors of A[i,]
rowmult	Multiply Rows by Constants
rowswap	Interchange two rows of a matrix
showEig	Show the eigenvectors associated with a covariance matrix
showEqn	Show Matrices (A, b) as Linear Equations
Solve	Solve and Display Solutions for Systems of Linear Simultaneous Equations
summary.regvec3d	Plot method for regvec3d objects
SVD	Singular Value Decomposition of a Matrix
svdDemo	Demonstrate the SVD for a 3 x 3 matrix
swp	The Matrix Sweep Operator
symMat	Create a Symmetric Matrix from a Vector
therapy	Therapy Data
tr	Trace of a Matrix
vandermode	Vandermode Matrix
vec	Vectorize a Matrix
vectors	Draw geometric vectors in 2D
vectors3d	Draw 3D vectors
workers	Workers Data
xprod	Generalized Vector Cross Product