User manual - ALGEBRA_FX2.0

Ïðèìåð Ñîêðàòèòå äðîáü (X+1)/(X+2)+X(X+3).
l collect (collct)
Ôóíêöèÿ: ïåðåïèñûâàåò âûðàæåíèå îòíîñèòåëüíî âûáðàííîé ïåðåìåííîé.
Ñèíòàêñèñ: collect({Exp/Eq/lneq} [,Exp-1/,variable] [)]
Ïðèìåð Ïåðåïèøèòå âûðàæåíèå X2+AX+BX îòíîñèòåëüíî ïåðåìåííîé Õ.
l X èñïîëüçóåòñÿ ïî óìîë÷àíèþ, êîãäà íå óêàçàíî âûðàæåíèå ëèáî ïåðåìåííàÿ, äëÿ [,Exp-1/,variable].
l substitute (sbstit)
Ôóíêöèÿ: ïðèñâàèâàåò âûðàæåíèå ïåðåìåííîé.
Ñèíòàêñèñ: substitute({Exp/Eq/lneq}, variable=expression [,, variable=expression] [)]
Ïðèìåð Ïðèñâîéòå çíà÷åíèå 5 ïåðåìåííîé Õ â âûðàæåíèè 2X-1.
l cExpand (cExpnd)
Ôóíêöèÿ: ðàñêðûâàåò êîðåíü x ìíèìîãî ÷èñëà.
Ñèíòàêñèñ: cExpand(Exp [)]
Ïðèìåð Èçâëåêèòå êîðåíü
i2
.
l approx
Ôóíêöèÿ: ïîëó÷àåò ÷èñëåííîå çíà÷åíèå äëÿ âûðàæåíèÿ.
Ñèíòàêñèñ: approx Exp
Ïðèìåð Ïîëó÷èòå ÷èñëåííîå çíà÷åíèå äëÿ âûðàæåíèÿ
2
.
7-1-8
Èñïîëüçîâàíèå ðåæèìà «Ñèñòåìà àëãåáðàè÷åñêèõ ðàñ÷åòîâ» (ÑÀS)