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µÎ Á¡(xÀýÆí, yÀýÆí)À» Áö³ª´Â ÀÏÂ÷¹æÁ¤½Ä

ÀÛ¼ºÀÚ Uploader : m3d29 ÀÛ¼ºÀÏ Upload Date: 2005-09-06º¯°æÀÏ Update Date: 2005-09-06Á¶È¸¼ö View : 1932

µÎ Á¡(xÀýÆí, yÀýÆí)À» Áö³ª´Â ÀÏÂ÷¹æÁ¤½Ä

ÀÓÀÇÀÇ µÎ Á¡À» Áö³ª´Â ÀÏÂ÷¹æÁ¤½ÄÀÇ Æ¯¼öÇÑ °æ¿ì·Î µÎ Á¡ P1, P2ÀÇ ÁÂÇ¥¸¦ °¢°¢(x1, y1), (x2, y2)À϶§ P1, P2°¡ °¢°¢ xÀýÆí, yÀýÆíÀ̶ó¸é, xÀýÆí=x1, yÀýÆí=y2 ÀÌ°í, y1=0, x2=0 À̹ǷΠ 

±â¿ï±â a = -y2/x1, yÀýÆí b = y2 ¸¦ ´ëÀÔÇϸé

y = (-y2/x1)*x+y2 °¡ µÈ´Ù.

ÀϹݽÄÀº ´ÙÀ½°ú °°´Ù.

Á¡ P1, P2ÀÇ ÁÂÇ¥°¡ °¢°¢ (x1, y1), (x2, y2) À϶§, µÎ Á¡À» Áö³ª´Â ¹æÁ¤½Ä y=f(x)¸¦ Ç¥ÇöÇϸé

¸ÕÀú Á÷¼±ÀÇ ±â¿ï±â a ´Â

a = (y1-y2)/(x1-x2) ÀÓÀ» ¾Ë ¼ö ÀÖ°í

y1 = ax1+b ·Î ºÎÅÍ b = y1-ax1 À̹ǷÎ

y = ax+y1-ax1
 = ((y1-y2)/(x1-x2))*x
   +y1-((y1-y2)/(x1-x2))*x1 ÀÌ µÈ´Ù.

±â¿ï±â a ·Î ¹­¾î¼­ Ç¥ÇöÇϸé
y = a(x-x1)+y1
 = ((y1-y2)/(x1-x2))*(x-x1)+y1 ÀÌ µÈ´Ù.


*** Âü°í¹®Çå[References] ***

y = (-y2/x1)*x+y2
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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