diff - Differentiate symbolic expression

Syntax

diff(S)
diff(S,'v')
diff(S,n)
diff(S,'v',n)

Description

diff(S) differentiates a symbolic expression S with respect to its free variable as determined by findsym.

diff(S,'v') or diff(S,sym('v')) differentiates S with respect to v.

diff(S,n), for a positive integer n, differentiates S n times.

diff(S,'v',n) and diff(S,n,'v') are also acceptable.

Examples

Assume

syms x t

Then

diff(sin(x^2))

returns

2*cos(x^2)*x

and

diff(t^6,6)

returns

720

See Also

int, jacobian, findsym

  


 © 1984-2008- The MathWorks, Inc.    -   Site Help   -   Patents   -   Trademarks   -   Privacy Policy   -   Preventing Piracy   -   RSS