Finite Difference Boundary Conditions
Neumann Boundary conditions on 2D grid with non-uniform mesh space for elliptic PDE
Nasser M. Abbasi12000.orgNumerical differentiation: finite differences
Finite difference formulas are used to approximate derivatives of a function at a point by utilizing data points. Different orders of approximations are derived for various situations in numerical differentiation.
dam.brown.eduProgramming for Computations - Python: A Gentle Introduction to Numerical Simulations with Python (Texts in Computational Science and Engineering Book 15)
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The Fisher information matrix is simply the Hessian of KL divergence at the point where two distributions are equal.
Metacademy - Differential geometry for machine learning
Differential geometry is all about constructing things which are independent of the representation
Metacademy - Differential geometry for machine learning
Programming for Computations - Python: A Gentle Introduction to Numerical Simulations with Python 3.6 (Texts in Computational Science and Engineering Book 15)
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Any index that is summed over is called a dummy index, while one that is not summed over is a free index.