In the same way, we can define derivatives of matrix-valued operators as linear operators on matrices. For example, f(X)=X² gives f'(X)[dX] = X dX + dX X. Or f(X) = X⁻¹ gives f'(X)[dX] = –X⁻¹ dX X⁻¹.

W. R. Berkley Corporation (WRB) reported its fourth-quarter 2024 earnings, surpassing expectations with an EPS of $1.13 against a forecast of $0.99. The company also exceeded revenue projections, ...

Presentation Operator Good day, and welcome to W. R. Berkley Corporation's Fourth Quarter and Full Year 2024 Earnings Conference Call. Today's call is being recorded. The speakers' remarks may contain ...