![]() |
Home | Teacher | Parents | Glossary | About Us | |||||||||||
![]() |
|||||||||||
|
|||||||||||
|
![]() |
|
Definitions of the Derivative:
![]() ![]() ![]() Partial Differentiation Identitiesif f( x(r,s), y(r,s) ) df / dr = df / dx * dx / DR + df / dy * dy / DR df / ds = df / dx * dx / Ds + df / dy * dy / Ds if f( x(r,s) ) df / DR = df / dx * dx / DR df / Ds = df / dx * dx / Ds directional derivative df(x,y) / d(Xi sub a) = f1(x,y) cos(a) + f2(x,y) sin(a) (Xi sub a) = angle counterclockwise from pos. x axis. |
|
||||||||||||||||
|