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 |

buildTmat | Build/Get tranformation matricies |

cholesky | Cholesky Square Root of a Matrix |

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 |

Ginv | Generalized Inverse of a Matrix |

GramSchmidt | Gram-Schmidt Orthogonalization of a Matrix |

gsorth | Gram-Schmidt Orthogonalization of a Matrix |

Inverse | Inverse of a Matrix |

is_square | Test for square 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... |

matrix2latex | Convert matrix to LaTeX equation |

minor | Minor of A[i,j] |

mpower | Matrix Power |

plotEqn | Plot Linear Equations |

plotEqn3d | Plot Linear Equations in 3D |

plot.regvec3d | Plot method for regvec3d objects |

pointOnLine | Position of a point along a line |

powerMethod | Power Method for Eigenvectors |

printMatEqn | Print Matrices or Matrix Operations Side by Side |

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... |

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... |

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 |

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