Let be an determinant with complex (or real) elements , then if
Hadamard's Theorem
See also
Hadamard's InequalityExplore with Wolfram|Alpha
References
Gradshteyn, I. S. and Ryzhik, I. M. Tables of Integrals, Series, and Products, 6th ed. San Diego, CA: Academic Press, p. 1110, 2000.Referenced on Wolfram|Alpha
Hadamard's TheoremCite this as:
Weisstein, Eric W. "Hadamard's Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/HadamardsTheorem.html