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Type1 Type2
¿øÁ¡À» Áö³ª°í Æò¸é a*x + b*y + cz + d = 0 ¿¡ Á÷±³ÇÏ´Â Á÷¼±ÀÌ Æò¸é°ú ¸¸³ª´Â Á¡ÀÇ ÁÂÇ¥¸¦ ±¸ÇÑ´Ù.

¿øÁ¡À» Áö³ª°í ¹æÇ⺤ÅÍ°¡ Æò¸éÀÇ ¹ý¼±º¤ÅÍ (a, b, c) ÀÎ Á÷¼±ÀÇ ¸Å°³º¯¼ö ¹æÁ¤½ÄÀ» ¸¸µç´Ù.

yt = (a*t, b*t, c*t)

±³Á¡ÀÇ ÁÂÇ¥¸¦ ±¸ÇÏ´Â °ÍÀ̹ǷÎ,

a^2*t + b^2*t + c^2*t + d = 0

t = -d/(a^2+b^2+c^2)

µû¶ó¼­, ±³Á¡ÀÇ ÁÂÇ¥ xc, yc, zc ´Â ´ÙÀ½°ú °°´Ù.
¢º xc = a*t = - a*d/(a^2+b^2+c^2)


¢º yc = b*t = - b*d/(a^2+b^2+c^2)


¢º zc = c*t = - c*d/(a^2+b^2+c^2)


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