UpperTriangularize (Built-in Mathematica Symbol)

UpperTriangularize[m] gives a matrix in which all but the upper triangular elements of m are replaced with zeros. UpperTriangularize[m, k] replaces with zeros only the ...

LinearSolveFunction (Built-in Mathematica Symbol)

LinearSolveFunction[dimensions, data] represents a function for providing solutions to a matrix equation.

Constructing Matrices (Mathematica Tutorial)

Functions for constructing matrices. This generates a 2×2 matrix whose i,j^th entry is a[i,j]. Here is another way to produce the same matrix.

Correlation (Built-in Mathematica Symbol)

Correlation[v_1, v_2] gives the correlation between the vectors v_1 and v_2.Correlation[m] gives the correlation matrix for the matrix m.Correlation[m_1, m_2] gives the ...

Covariance (Built-in Mathematica Symbol)

Covariance[v_1, v_2] gives the covariance between the vectors v_1 and v_2.Covariance[m] gives the covariance matrix for the matrix m.Covariance[m_1, m_2] gives the covariance ...

HilbertMatrix (Built-in Mathematica Symbol)

HilbertMatrix[n] gives the n*n Hilbert matrix with elements of the form 1/(i + j - 1).HilbertMatrix[{m, n}] gives the m*n Hilbert matrix.

HessenbergDecomposition (Built-in Mathematica Symbol)

HessenbergDecomposition[m] gives the Hessenberg decomposition of a matrix m.

Mathematical Data Formats (Mathematica Guide)

Diagonal (Built-in Mathematica Symbol)

Diagonal[m] gives the list of elements on the leading diagonal of the matrix m.Diagonal[m, k] gives the elements on the k\[Null]^th diagonal of m.

AdjacencyMatrix (Built-in Mathematica Symbol)

AdjacencyMatrix[g] gives the vertex\[Dash]vertex adjacency matrix of the graph g.