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(y - y1) / (x - x1) = (y2 - y1) / (x2 -x1) ©Î¨ä¾ã²z«áªº§Î¦¡¡C

 

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V = Vx ex + Vy ey + Vz ez

¨ä¤¤ Vx = V¡D ex

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°²³] f(x) = A + B (x-a) + C (x-a)2 + D (x-a)3 + E (x-a)4 + ..... , ·L¤À¤@¦¸±o¡]³oùئ³§Q¥Î¨ì d/dx xn = n xn-1¡^

f'(x) = B + 2 C (x-a) + 3 D (x-a)2 + 4 E (x-a)3 + ...

f''(x) = 2 C + 2*3 D (x-a) + 3*4 E (x-a)2 + ...

:

©ó¤W¦C«íµ¥¦¡²Õ¥þ¥N¤J x = a¡A«h :

f(a) = A

f'(a) = B

f''(a) = C / 2

:

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yn+1 = yn + f(xn,yn) Δx

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