A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

This is a preview. Log in through your library . Abstract Analyses of geostatistical data are often based on the assumption that the spatial random field is isotropic. This assumption, if erroneous, ...