the mathematical field of linear algebra and convex analysis, the numerical range or field of values of a complex n × n {\displaystyle n\times n} matrix...

on Numerical Ranges and Numerical Radii (WONRA) is a biennial workshop series on numerical ranges and numerical radii which began in 1992. Numerical ranges...

Hilbert space with a tensor product structure a product numerical range is defined as a numerical range with respect to the subset of product vectors. In some...

In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can...

Numerical analysis is the study of algorithms that use numerical approximation (as opposed to symbolic manipulations) for the problems of mathematical...

In numerical analysis, numerical differentiation algorithms estimate the derivative of a mathematical function or function subroutine using values of...

Numerical weather prediction (NWP) uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions. Though...

instead a list of numerical libraries with articles on Wikipedia, with few exceptions. The choice of a typical library depends on a range of requirements...

supercomputer complexes in Europe and the world's largest archive of numerical weather prediction data. ECMWF was established in 1975, in recognition...

quotient iteration. The range of the Rayleigh quotient (for matrix that is not necessarily Hermitian) is called a numerical range (or spectrum in functional...