http://www.netvouz.com/narky/tag/differentiable?feed=rss narky's bookmarks tagged "differentiable" on Netvouz http://en.wikipedia.org/wiki/Smooth_function In mathematics, a smooth function is one that is infinitely (indefinitely) differentiable, i.e., has derivatives of all finite orders: * A function is called C, or more commonly C0, if it is a continuous function. * A function is called C1 if it has a derivative that is continuous; such functions are also called continuously differentiable. * A function is called Cn for n ≥ 1 if it can be differentiated n times, leaving a continuous n-th derivative: such functions are also called finitely differentiable. * The smooth functions are those that lie in the class Cn for all n; they are often referred to as C∞ functions. Educational > Mathematics > Ideas/Explanations/Wiki or Mathworld lookups narky Sun, 07 Jan 2007 23:55:30 GMT