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Analytics | Artificial Intelligence
Caslee Sims 0
Behind the scenes of the SAS Hackathon: Why being a mentor is a win-win for everyone

During the SAS Hackathon, teams and mentors collaborate to find solutions to specific challenges. The hackathon is a win-win situation for all participants, from idea generation to the development of new technologies or solutions. The SAS Hackathon encourages developers to collaborate on practical ideas and offers employees the chance to

Analytics | Programming Tips
Rick Wicklin 0
Finite-difference derivatives of vector-valued functions

I previously showed how to use SAS to compute finite-difference derivatives for smooth scalar-valued functions of several variables. You can use the NLPFDD subroutine in SAS/IML software to approximate the gradient vector (first derivatives) and the Hessian matrix (second derivatives). The computation uses finite-difference derivatives to approximate the derivatives. The

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