Important: The linalg package has been deprecated. Use the superseding packages, LinearAlgebra and VectorCalculus, instead.

- For information on migrating linalg code to the new packages, see examples/LinearAlgebraMigration.

The function hadamard computes a bound on the maxnorm of  where A is an n by n matrix whose coefficients lie in the domain Z, Q, R, Z[x], Q[x], or R[x].

For Z, the classical inequality of Hadamard is :

The command with(linalg,hadamard) allows the use of the abbreviated form of this command.