Revision as of 09:55, 19 August 2008 edit TobiasHerp (talk \| contribs) 101 edits →Python has first-class functions ← Previous edit		Revision as of 11:31, 29 August 2008 edit undo Liso (talk \| contribs) 131 edits →Function literals in Python Next edit →
Line 67: (just tested using Python 2.5.2) --[[User:TobiasHerp\|Tobias]] ([[User talk:TobiasHerp\|talk]]) 09:55, 19 August 2008 (UTC) And what about this? -> <source lang="python"> import math def make_derivative(f, deltaX): delta=[deltaX] function=[f] fnc=lambda x: (function[0](x+delta[0])-function[0](x))/delta[0] return fnc cos=make_derivative(math.sin, 0.0000000001) # cos(0) ~> 1.0 # cos(math.pi/2) ~> 0.0 </source>

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