FRH
FRH[exp_]
corresponds to FixedPoint[ReleaseHold, exp]
, i.e. FRH
removes all HoldForm
and Hold
in exp
.
See also
Overview, Isolate.
Examples
Hold[1 - 1 - Hold[2 - 2]]
Hold[−Hold[2−2]+1−1]
0
Isolate[ToRadicals[Solve[x^3 - x - 1 == 0]], x, IsolateNames -> KK]
{{x→KK(21)},{x→KK(24)},{x→KK(25)}}
⎩⎨⎧⎩⎨⎧x→313227−2369+32/3321(9+69)⎭⎬⎫,⎩⎨⎧x→−61(1−i3)3227−2369−2 32/3(1+i3)321(9+69)⎭⎬⎫,⎩⎨⎧x→−61(1+i3)3227−2369−2 32/3(1−i3)321(9+69)⎭⎬⎫⎭⎬⎫