multivariate functions

A multivariate function is a mathematical relationship that takes multiple inputs, called variables, and produces a single output. Think of it like a recipe where several ingredients (variables) are combined to create a final dish (output). For example, the value of a house price might depend on size, location, and age. The function describes how these different factors work together to determine the outcome. Multivariate functions are useful for modeling real-world situations where multiple factors influence a result simultaneously.