These functions are mainly for tutorial purposes in learning matrix algebra
ideas using R. In some cases, functions are provided for concepts available
elsewhere in R, but where the function call or name is not obvious. In other
cases, functions are provided to show or demonstrate an algorithm, sometimes
verbose argument to print the details of computations.
In addition, a collection of functions are provided for drawing vector diagrams in 2D and 3D.
These are not meant for production uses. Other methods are more efficient for larger problems.
The functions in this package are grouped under the following topics
Determinants: functions for calculating determinants by cofactor expansion
Elementary row operations: functions for solving linear equations "manually" by the steps used in
row echelon form and Gaussian elimination
Linear equations: functions to illustrate linear equations of the form $A x = b$
Gaussian elimination: functions for illustrating Gaussian elimination for solving
systems of linear equations of the form $A x = b$.
Eigenvalues: functions to illustrate the algorithms for calculating eigenvalues
Vector diagrams: functions for drawing vector diagrams in 2D and 3D
Fox, J. and Friendly, M. (2016). "Visualizing Simultaneous Linear Equations, Geometric Vectors, and Least-Squares Regression with the matlib Package for R". useR Conference, Stanford, CA, June 27 - June 30, 2016.
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