IdentityMatrix

IdentityMatrix(n)

gives the identity matrix with n rows and columns.

Examples

>>> IdentityMatrix(3)
{{1, 0, 0}, {0, 1, 0}, {0, 0, 1}}

Related terms

CharacteristicPolynomial, ConjugateTranspose, Det, DiagonalMatrix, Dot, Eigenvalues, Eigenvectors, HilbertMatrix, Inverse, JacobiMatrix, LinearSolve, LUDecomposition, MatrixPower, MatrixQ,MatrixRank, NullSpace, SingularValueDecomposition, Tr, Transpose, VandermondeMatrix, VectorQ