User manual - ALGEBRA_FX2.0

5-11-13
Àíàëèç ôóíêöèé
l Àíàëèç ïàðàáîëè÷åñêèõ ãðàôèêîâ
l {Focus}/{Vertex}/{Length}/{e}... {íàõîæäåíèå ôîêóñà} / {âåðøèíû} / {«latus rectum»} / {ýêñöåíòðèñèòåòà}
l {Dirtrx}/{Sym}/ ... ïîñòðîåíèå {äèðåêòðèñû} / {îñè ñèììåòðèè}
l {X-Icpt}/{Y-Icpt} ... íàõîæäåíèå {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ x} / {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ y}
l Àíàëèç ãðàôèêîâ îêðóæíîñòåé
l {Center}/{Radius} ... {íàõîæäåíèå öåíòðàëüíîé òî÷êè} / {ðàñ÷åò ðàäèóñà}
l {X-Icpt}/{Y-Icpt} ... íàõîæäåíèå {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ x} / {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ y}
l Àíàëèç ãðàôèêîâ ýëëèïñîâ
l {Focus}/{Vertex}/{Center}/{e}... {íàõîæäåíèå ôîêóñà} / {âåðøèíû} / {öåíòðà} / {ýêñöåíòðèñèòåòà}
l {X-Icpt}/{Y-Icpt} ... íàõîæäåíèå {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ x} / {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ y}
l Àíàëèç ãèïåðáîëè÷åñêèõ ãðàôèêîâ
l {Focus}/{Vertex}/{Center}/{e}... {íàõîæäåíèå ôîêóñà} / {âåðøèíû} / {öåíòðà} / {ýêñöåíòðèñèòåòà}
l {Asympt} ... {ïîñòðîåíèå àñèìïòîòû}
l {X-Icpt}/{Y-Icpt} ... íàõîæäåíèå {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ x} / {òî÷êè ïåðåñå÷åíèÿ ñ îñüþ y}
Ïðèâåäåííûå íèæå ïðèìåðû èëëþñòðèðóþò, êàê ìîæíî èñïîëüçîâàòü óêàçàííûå ìåíþ äëÿ ðàçëè÷íûõ òèïîâ
ãðàôèêîâ íåÿâíûõ ôóíêöèé.
l Êàê íàéòè ôîêóñ, âåðøèíó è «latus rectum»
[G-SLV]-[Focus]/[Vertex]/[Length]
Ïðèìåð Íàéäèòå ôîêóñ, âåðøèíó ïàðàáîëû è «latus rectum», çàäàííîé ôóíêöèåé X = (Y - 2)
2
+ 3
Óñòàíîâèòå ñëåäóþùèå ïàðàìåòðû ãðàíèö äèàïàçîíà ãðàôèêà:
Xmin = -1 Xmax = 10 Xscale = 1
Ymin = -6 Ymax = 5 Yscale = 1
(Íàõîæäåíèå ôîêóñíîé òî÷êè)
(Íàõîæäåíèå âåðøèíû)