Intel® Math Kernel Library


Computes the eigenvalues and Schur factorization of a general matrix, orders the factorization and computes reciprocal condition numbers.


Computes all eigenvalues and, optionally, eigenvectors of a complex generalized Hermitian positive-definite eigenproblem. If eigenvectors are desired, it uses a divide and conquer method.


Computes the generalized eigenvalues, Schur form, and the left and/or right Schur vectors for a pair of nonsymmetric matrices.


Used by ?stedc. Merges eigenvalues and deflates secular equation. Used when the original matrix is dense.


Returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex Hermitian matrix.


Sets a scalar multiple of the first column of the product of 2-by-2 or 3-by-3 matrix H and specified shifts.


Applies an elementary reflector to a general rectangular matrix, with loop unrolling when the reflector has order less than or equal to 10.

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