Nothing
MASS::fractions()
in various display functions, #42. (Thx: Phil Chalmers)xprod()
for vector cross-productsprintf
warning from LU [Phil Chalmers]gaussianElimination()
and friends now handle one-row or one-column matrices [suggestion of Jana Jarecki]plotEqn()
GramSchmidt()
[John Fox]printMatrix()
circle3d()
[req: Marco Scazzocchio]showEqn()
gains a reduced
logical to print only the unique regression equations
when a lm()
-type object is passed. May be combined with the simplify
logical argument
for further reductionsechelon()
gains a reduced
logical to indicate whether the reduced or non-reduced form is computedpowerMethod()
gains a plot = TRUE
logical to draw the iteration history'lm'
objects to showEqn()
to show the design matrix equationsverbose
option to GramSchmidt()
and another exampleprintMatEqn()
to print matrix expressions side-by-siderename functions for consistency: eig()
-> Eigen()
, point_on_line()
-> pointOnLine()
, power_method()
-> powerMethod()
, row_cofactors()
-> rowCofactors()
, row_minors()
-> rowMinors()
.
add Det()
to compute determinants by elimination, from eigenvalues, or by minors and cofactors, with possibility of verbose
output.
plotEqn3d()
gets an axes
argument and lit
to control lighting of the planes; lit
solves a problem with the planes becoming indistinguishable in some rotations.svdDemo()
function to illustrate the SVD of a 3 x 3 matrix [thx: Duncan Murdoch]symMat()
to create a square symmetric matrix from a vector.angle()
to calculate angle between vectorspowerMethod()
gets a keep
argument, for possible use in plotting the convergence of eigenvectors.adjoint()
, to round out methods for determinantsGramSchmidt()
for the Gram-Schmidt algorithm on columns of a matrix. The existing function gsorth()
will be deprecated and then removed.gsorth()
has been deprecated.printMatEqn()
to print matrix expressions side-by-sidedet-ex1
)det-ex2
)inv-ex1
)inv-ex2
)ginv
)J()
for unit vectors, matricesLU()
for LU decompositionvectors3d()
and arrows3d()
, which defaults to TRUE. If FALSE, just returns
returns the "reg.length" to help in scaling.showEqn()
and gaussianElimination()
get latex
arguments, to print results in LaTeX format [thx: Phil Chalmers]error.sphere
to plot.regvec3d()
[JF]lengths()
in corner()
to avoid R version dependencycorner()
in vectors3d.Rdarc()
for 2D, 3D vector diagrams to show angles between vectorsregvec3d()
for 2D, 3D vector diagrams representing a bivariate multiple regression model, lm(y ~ x1 + x2)
[thx: John Fox].arrows()
to produce nice arrows in 2D vector()
diagramsshowEqn()
now aligns terms vertically and prints without quotesabsolute
in points_on_line()
and clarified documentationvandermode()
functionvec()
convenience function to vectorize a matrixis_square_matrix()
testspower_method()
, power method for dominant eigenvector [thx: Gaston Sanchez]arrows3d()
for 3D geometric diagramsvectors3d()
for 3D geometric diagramscorner()
for 2D, 3D geometric diagramsman/matlib.Rd
from README.md
swp()
functionvignette("gramreg")
- Gram-Schmidt Orthogonalization and Regressionlen()
convenience function for Euclidean lengthsplotEqn3d()
function using rgl
to plot equations in 3 unknownsmatlib.R
to become a package .Rd documentproj()
-> Proj()
to avoid conflict with stats::proj()
vectors()
for plotting geometric diagramsInitial CRAN release
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