In mathematics, the Hessian matrix or Hessian is a square matrix of second-order partial derivatives of a scalar-valued function, or scalar field. It describes the local curvature of a function of many variables. 在数学中,Hessian 矩阵是标量值函数或标量场函数的二阶偏导数的方块矩阵。它描述了许多...
Getting data in and out of the library: Extremely fast CSV, integer and floating point parsers doing minimal allocations and minimal branching. CSV writer. Support for reading contigous numeric arrays from npy files. Fast and memory efficient binary serialization format. ...