Lambda
Python supports the creation of anonymous functions called lambda. It is often used in conjunction with functions like filter(), map() and reduce().
Python Array Libraries
In Python an array can be either of type list or of type tuple with the constraint that it is immutable. One of the key features of a list is that it can be dynamically resized, values can be deleted...
Data Shapley Value
The Shapley value was initially proposed in a classic paper in 1953 in the field of game theory and has since been wildly influential in economics. As recent as 2010, the Shapley value was proposed as a feature importance score...
The Hessian
The Hessian is additional concept which relates to multivariate systems. In many ways, the Hessian can be thought of as a simple extension of the Jacobian vector. For the Jacobian, we collected together all of the first order derivatives of...
Jacobian
The Jacobian keeps track of the stretching and warping when we change coordinate systems.1 Jacobian matrix and determinant ↩