primal

adj.

第一的，最初的；原始的；首位的，主要的；根本的

primal problem原始问题，主要问题

1. Then primal sedateness came back.
   而后世界又恢复了最初的安详。
2. I'm sure that I will actualize the primal promise.
   我确信我能实现最初的诺言。
3. In these primal skies, there was no Moon.
   在原始的天空里，没有月亮。
4. Money was a primal necessity to them.
   钱是他们最主要的需要。

Primal-dual interior-point methods
Pegasos:Primal Estimated sub-GrAdient SOlver for SVM
Pegasos: primal estimated sub-gradient solver for SVM
Pegasos: Primal Estimated sub-GrAdient SOlver for SVM
Primal Leadership: Realizing the Power of Emotional Intelligence
A nonlinear primal-dual method for total variation-based image restoration
On the Implementation of a Primal-Dual Interior Point Method
A First-Order Primal-Dual Algorithm for Convex Problems with Applications to Imaging
On the Implementation of a Primal-Dual Interior Point Filter Line Search Algorithm for Large-Scale Nonlinear Programming
Biegler, L.T.: On the Implementation of a Primal-Dual Interior Point Filter Line Search Algorithm for Large-Scale Nonlinear Programm...