Re: [math-fun] F^-1(G(F(x)))

16 Feb 2008

      "lifting" ?

performing an operation in a transform domain ?

walk a mile in someone (else)'s shoes ?

At 03:58 PM 2/16/2008, Steve Witham wrote:
...
Is there a common name for the idiom
    F^-1( G( F( x ) ) )  ?
Examples
    Inverse_FFT( G( FFT( signal ) ) )
translate( x, rotate( a, translate( -x, picture ) ) )
      (rotate around (x,0) )
Twist top of Rubik's cube CW,
          side CW
          top CCW.
Open drawer
    remove silverware
    Close drawer
Move smallest disk from A to C
    Move bigger disk from A to B
    Move smallest disk from C to A
--Steve

Re: [math-fun] F^-1(G(F(x)))

Henry Baker