Search results
Results from the WOW.Com Content Network
In calculus, the quotient rule is a method of finding the derivative of a function that is the ratio of two differentiable functions. Let () = (), where both f and g are differentiable and () The quotient rule states that the derivative of h(x) is
2.4 Quotient rule for division by a scalar. 2.5 Chain rule. ... Table of derivatives – Rules for computing derivatives of functions Vector algebra relations ...
The logarithmic derivative is another way of stating the rule for differentiating the logarithm of a function (using the chain rule): () ′ = ′, wherever is positive. Logarithmic differentiation is a technique which uses logarithms and its differentiation rules to simplify certain expressions before actually applying the derivative.
Using Newton's difference quotient, ... For example, [5] the first derivative can be calculated by the complex-step derivative formula: [12] [13] ...
A number of properties of the differential follow in a straightforward manner from the corresponding properties of the derivative, partial derivative, and total derivative. These include: [ 11 ] Linearity : For constants a and b and differentiable functions f and g , d ( a f + b g ) = a d f + b d g . {\displaystyle d(af+bg)=a\,df+b\,dg.}
[5] [6] The difference quotient is a measure of the average rate of change of the function over an interval (in this case, an interval of length h). [ 7 ] [ 8 ] : 237 [ 9 ] The limit of the difference quotient (i.e., the derivative) is thus the instantaneous rate of change.
All derivatives of circular trigonometric functions can be found from those of sin(x) and cos(x) by means of the quotient rule applied to functions such as tan(x) = sin(x)/cos(x). Knowing these derivatives, the derivatives of the inverse trigonometric functions are found using implicit differentiation .
The derivative of a function at a chosen input value describes the rate of change of the function near that input value. The process of finding a derivative is called differentiation . Geometrically, the derivative at a point is the slope of the tangent line to the graph of the function at that point, provided that the derivative exists and is ...