Mathematical Methods · differentiation · demo

The derivative is a function

Top: a point on y = f(x) and its tangent slope. Bottom: that slope becomes the height y = f′(x) — drag x and watch the two graphs talk.

f(x) tangent f′(x) (x, f′(x))

y = f(x)

y = f′(x)

Drag on the top graph to move x · shared x-scale links the panels

Function

1

Working