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µÎ Á¡ A(xa, ya, za), B(xb, yb, zb)¿¡¼­ °°Àº °Å¸®¿¡ ÀÖ´Â x Ãà À§ÀÇ Á¡ P ÀÇ ÁÂÇ¥¸¦ ±¸ÇÑ´Ù.

±¸ÇÏ´Â Á¡ P ÀÇ ÁÂÇ¥¸¦ (x, 0, 0) À̶ó°í Çϸé, Á¡ A ¿Í Á¡ P ¸¦ ÀÕ´Â ¼±ºÐ AP ÀÇ ±æÀÌ¿Í Á¡ B ¿Í Á¡ P ¸¦ ÀÕ´Â ¼±ºÐ BP ÀÇ ±æÀÌ´Â °¢°¢ ´ÙÀ½°ú °°´Ù.

AP = ((xa-x)^2 + ya^2 + za^2)^(1/2)
BP = ((xb-x)^2 + yb^2 + zb^2)^(1/2)

AP = BP À̹ǷÎ,

(xa-x)^2 + ya^2 + za^2 = (xb-x)^2 + yb^2 + zb^2

xa^2 - 2*xa*x + x^2 + ya^2 + za^2 = xb^2 - 2*xb*x + x^2 + yb^2 + zb^2

xa^2 - 2*xa*x + ya^2 + za^2 = xb^2 - 2*xb*x + yb^2 + zb^2

2*(xa-xb)*x = xa^2 - xb^2 + ya^2 - yb^2 + za^2 - zb^2

x = (xa^2 - xb^2 + ya^2 - yb^2 + za^2 - zb^2)/(2*(xa-xb))

ÀÌ´Ù.

*** Âü°í¹®Çå[References] ***

x = (xa^2 - xb^2 + ya^2 - yb^2 + za^2 - zb^2)/(2*(xa-xb))
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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