[HP_Prime] definition of functions, APPLY command and BUGs - Printable Version +- HP Forums (https://archived.hpcalc.org/museumforum) +-- Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum-1.html) +--- Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum-2.html) +--- Thread: [HP_Prime] definition of functions, APPLY command and BUGs (/thread-249484.html) [HP_Prime] definition of functions, APPLY command and BUGs - CompSystems - 09-03-2013 I think that must be, a best codify the definition of functions f(x,y):= 4*y^4-5*x²*y²+x^4 => f:=(x,y)->4*y^4-5*x²*y²+x^4 best f(x,y):= 4*y^4-5*x²*y²+x^4 => f(x,y) -> 4*y^4-5*x²*y²+x^4 f(x,y):= 4*y^4-5*x²*y²+x^4 => f(x,y) -> 4*y^4-5*x²*y²+x^4 apply( ans, {1}) => apply( f(x,y) -> 4*y^4-5*x²*y²+x^4, {1}) => [4*y^4-5*y²+1] associate list of lists in parallel to each variable of the function apply( f(x,y)->4*y^4-5*x²*y²+x^4,{{1,3},{2,4}}) => { [45] [385] } request: * requires a new command ENTRY, purpose: to call a History entry quickly without having to go to the x line Edited: 5 Sept 2013, 4:44 p.m. after one or more responses were posted [HP_Prime] definition of functions, APPLY command and BUGs - CompSystems - 09-05-2013 image updated new BUGs Edited: 5 Sept 2013, 4:44 p.m.