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[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
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2021-05-20 |
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[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
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µî·ÏÀÏ |
2021-05-20 |
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¾È³çÇϼ¼¿ä, ȫâÀÇ ¼±»ý´ÔÀÔ´Ï´Ù.
Àΰ ¼ö°»ý ¿©·¯ºÐµé
Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ýÀÔ´Ï´Ù.
* Áú¹® ¹æ¹ý
1. Ä«Ä«¿ÀÅå¿¡ ¼±»ý´Ô ¾ÆÀ̵ð Ãß°¡
ȫâÀÇ ¼±»ý´Ô Ä«Ä«¿ÀÅå ¾ÆÀ̵ð : hongdly
2. Áú¹®ÇÒ ¶§, º»ÀÎÀÌ ¼ö°ÇÏ°í ÀÖ´Â °ÀÇ¸í ±âÀç / ¸î °ÀÎÁö ±âÀçÇØÁֽñ⠹ٶø´Ï´Ù.
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2323 |
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tiger9610** |
2019-07-17 |
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tiger9610** |
µî·ÏÀÏ |
2019-07-17 |
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¿µ»óÁß¿¡ ¼±»ý´Ô²²¼ °©ÀÚ±â ÀÌ·¸°Ô ¾²¼Ì´Âµ¥ ÀÌ°Ô ¾î¶»°Ô °¡´ÉÇÏÁÒ? ¤Ð¤Ð »ó¼¼È÷ ¼³¸í ºÎŹµå¸³´Ï´Ù
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2019-07-20 |
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haeun8** |
µî·ÏÀÏ |
2019-07-20 |
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x^2 + y^2 = r^2 ÀÏ ¶§ x=rcos(theta), y=rsin(theta) ·Î Àâ½À´Ï´Ù.
¸¶Âù°¡Áö·Î (x/3)^2 + ( y/2)^2 =1 À̹ǷΠx/3=cos(theta), y/2=sin(theta) ·Î Àâ½À´Ï´Ù. |
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2322 |
p.361 ´ëÇ¥À¯Çü1 Áú¹®ÀÔ´Ï´Ù. |
a9992** |
2019-07-17 |
±ÛÁ¦¸ñ |
p.361 ´ëÇ¥À¯Çü1 Áú¹®ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
a9992** |
µî·ÏÀÏ |
2019-07-17 |
|
f(x)=|x|^n ¿¡¼ n>1ÀÎ °æ¿ì¸¸ ¹ÌºÐ°¡´ÉÇÏ°í f(x)= x^n*sin(1/x) (x¡Á0) / 0 (x=0) ÀÎ °æ¿ì¿¡´Â n>1ÀÌ¿©¾ß ¹ÌºÐ°¡´ÉÇÏ´Ù°í ¸»¾¸Çϼ̴µ¥¿ä. ¾Õ¿¡ ±ØÇѺκРÇʱ⸦ º¸´Ï f(x)=|x|^n ¿¡¼ n>0 À϶§ ¿¬¼ÓÀÌ°í f(x)= x^n*sin(1/x) (x¡Á0) / 0 (x=0) ¿¡¼ n>0À϶§ ¿¬¼ÓÀ̶ó ÇʱⰡµÇ¾îÀÖ¾î¼ Áú¹®ÇÕ´Ï´Ù n>1À϶§´Â ¿¬¼Ó°ú ¹ÌºÐ°¡´É µÑ´Ù µÇ°í n>0À϶§´Â ¿¬¼Ó¸¸µÇ°í ¹ÌºÐ°¡´ÉÇÏÁø¾Ê´Â°Ç°¡¿ä?
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2019-07-20 |
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haeun8** |
µî·ÏÀÏ |
2019-07-20 |
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2321 |
±×¸°Á¤¸® Áõ¸í°úÁ¤Áß |
tiger9610** |
2019-07-17 |
±ÛÁ¦¸ñ |
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ÀÛ¼ºÀÚ |
tiger9610** |
µî·ÏÀÏ |
2019-07-17 |
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¡ò¡ò curl F£ª K dxdy ¶ó´Â ½ÄÀÌ Á¤È®È÷ ¾î¶²°É ÀǹÌÇϴ°ÍÀ̸ç À̽ÄÀÌ ¾îµð¿¡¼ ÆÄ»ýµÇ¾ú´ÂÁö ¾Ë·ÁÁֽǼöÀÖ³ª¿ä ¤Ð¤Ð |
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haeun8** |
2019-07-20 |
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haeun8** |
µî·ÏÀÏ |
2019-07-20 |
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½Ä ÀÚü·Î º¸ÀÚ¸é º¤ÅÍÀå FÀÇ È¸ÀüÀ» xy Æò¸é»ó¿¡¼ ¸éÀûºÐ ÇÑ °ÍÀÔ´Ï´Ù.
ÀÌ´Â ¹°¸®ÇÐ °³³äÀ¸·Î ÀÌÇØÇϱâ Èûµé°ÍÀÔ´Ï´Ù.
¿©±â ÆÄÆ®¿¡¼ ³ª¿À´Â Á¤¸®´Â ÀÌÇØÇϱ⺸´Ù´Â Á¶°Ç°ú ÇÔ²² Á¤È®È÷ ¾Ï±âÇÏ¿©
¹®Á¦¿¡ Àß »ç¿ëÇÒ ¼ö ÀÖµµ·Ï ÇØÁÖ´Â °ÍÀÌ ÁÁ½À´Ï´Ù. |
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2320 |
À¯¸®ÇÔ¼öÀÇ ÀûºÐ¹ý |
thdtkddlr0** |
2019-07-17 |
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À¯¸®ÇÔ¼öÀÇ ÀûºÐ¹ý |
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thdtkddlr0** |
µî·ÏÀÏ |
2019-07-17 |
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À¯ÇüÀÌ ³× °¡Áö°¡ Àִµ¥ À̰͸¸ ³ª¿À³ª¿ä?? ±×¸®±¸ °è¼öºñ±³ÇÏ·Á°í ºÐ¸®ÇÒ¶§, ¹ÌÁ¤°è¼ö(ºÐÀÚ)¸¦ A³ª Bx+C·Î Àâ´Â ±âÁØÀ» ¸ð¸£°Ú½À´Ï´Ù. ¾î¶² °æ¿ì¿¡ µÑ Áß¿¡ Çϳª¸¦ ¼±ÅÃÇÏ¿© Ç®ÀÌÇÏ´Â ±× ±âÁØÀÌ ¹º°¡¿ä??.. |
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2019-07-18 |
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haeun8** |
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2019-07-18 |
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2319 |
39ºÐ Áú¹®ÀÔ´Ï´Ù. |
ddoinggul** |
2019-07-17 |
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39ºÐ Áú¹®ÀÔ´Ï´Ù. |
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ddoinggul** |
µî·ÏÀÏ |
2019-07-17 |
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Çà°è¼ö¿Í ¿°è¼ö°¡ Çà°ø°£ÀÇ rank, ¿°ø°£ÀÇ rank¸¦ ÀǹÌÇÏ´Â °ÍÀΰ¡¿ä? ±×¸®°í Çà°è¼ö¿Í ¿°è¼ö ºñ±³ÇÒ ¶§, ¹Ù·Î ÀüÄ¡Çà·ÄÀÇ rank¸¦ ÀÌ¿ëÇÑ °ÍÀÌ Àß ÀÌÇØ°¡ µÇÁö ¾Ê½À´Ï´Ù.
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2019-07-18 |
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haeun8** |
µî·ÏÀÏ |
2019-07-18 |
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¸î°ÀÇ ¸îºÐÀÎÁö Á¤È®È÷ ¾Ë·ÁÁÖ¼¼¿ä.
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rank ÀÇ ¼ºÁú Áß rank(A)=rank(A^T) À̹ǷΠÇà°è¼ö¿Í ¿°è¼ö´Â Ç×»ó °°½À´Ï´Ù. |
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2318 |
P424 4¹ø ¹®Á¦ ´äÁö °ü·ÃÇؼ |
tiger9610** |
2019-07-16 |
±ÛÁ¦¸ñ |
P424 4¹ø ¹®Á¦ ´äÁö °ü·ÃÇؼ |
ÀÛ¼ºÀÚ |
tiger9610** |
µî·ÏÀÏ |
2019-07-16 |
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Á¦°¡ üũÇѤ¡,¤¤ ÀÌ ¾î¶²½ÄÀ» ¹ÌºÐÇؼ ³ª¿À´ÂÁö ¾Ë·ÁÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù
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2019-07-18 |
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haeun8** |
µî·ÏÀÏ |
2019-07-18 |
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Á˼ÛÇÕ´Ï´Ù. Ç®ÀÌ´Â ´Ù¸¥ ½ÄÀ» ÀÌ¿ëÇÏ¿© ¹®Á¦¸¦ Ç®¾ú³×¿ä.
ÇØ´ç ¹®Á¦´Â x^2 + y^2 = a^2 ÀÇ ³»ºÎ¿¡ ÀÖ´Â y^2 + z^2 = a^2 ÀÇ °î¸éÀûÀ» ±¸ÇÏ´Â °ÍÀε¥
Ç®ÀÌ´Â x^2 + y^2 = a^2 ÀÇ ³»ºÎ¿¡ ÀÖ´Â x^2 + z^2 = a^2 ÀÇ °î¸éÀûÀ» ±¸ÇÏ¿´½À´Ï´Ù.
°°Àº ¸ð¾çÀÌ¾î¼ °î¸éÀûÀº °°Àº °ªÀÌ ³ª¿É´Ï´Ù.
Áï, x^2 + z^2 = a^2 ¿¡¼ 1+(z_x)^2 +(z_y)^2 À» ±¸ÇÒ ¶§
z_x ´Â À½ÇÔ¼ö¹ÌºÐ¹ýÀ» »ç¿ëÇÏ¿© z_x = - x/z °¡ ³ª¿À°Ô µË´Ï´Ù. |
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2317 |
±³Àç |
alex16** |
2019-07-16 |
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alex16** |
µî·ÏÀÏ |
2019-07-16 |
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2019-07-18 |
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haeun8** |
µî·ÏÀÏ |
2019-07-18 |
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À¯Àι°ÀÌ ¿Ã·ÁÁ®ÀÖ´Ù¸é ÇÁ¸°Æ®Çؼ º¸¼Å¾ß ÇÕ´Ï´Ù.
¶Ç´Â ±âÃʺÎÅÍ ½ÃÀÛÇÏ´Â ¹ÌºÐÇРåÀÌ ÀÖÀ¸´Ï ±¸¸ÅÇÏ¿© »ç¿ëÇÏ´Â °Íµµ ÁÁÀ» µí ÇÕ´Ï´Ù. |
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2316 |
Áú¹®ÀÔ´Ï´Ù. |
noella20** |
2019-07-16 |
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noella20** |
µî·ÏÀÏ |
2019-07-16 |
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2019-08-08 |
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haeun8** |
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2019-08-08 |
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Áú¹®ÀÌ ´©¶ôµÇ¾î ´äº¯ÀÌ ´Ê¾îÁø Á¡ Á˼ÛÇÕ´Ï´Ù.
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2315 |
28p 8¹ø ¹®Á¦ |
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2019-07-15 |
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28p 8¹ø ¹®Á¦ |
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2019-07-15 |
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28p 8¹ø ¹®Á¦¿¡¼ w2+w+1=0 ¿¡¼ ¾î¶»°ÔÇؼ w3=1 ÀÌ µÇ¾ú´ÂÁö ±Ã±ÝÇÕ´Ï´Ù. ¹®Á¦¸¦ ¸øÇ®°Ú½À´Ï´Ù ¤Ì |
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2019-07-16 |
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haeun8** |
µî·ÏÀÏ |
2019-07-16 |
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¾çº¯¿¡ w-1 À» °öÇØÁÖ¸é w^3 -1 = 0 ÀÌ µË´Ï´Ù. |
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2314 |
21° ¶óÇÃ¶ó½º º°µµ¹®Á¦ Áú¹®µå¸³´Ï´Ù |
akqlshrl** |
2019-07-15 |
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akqlshrl** |
µî·ÏÀÏ |
2019-07-15 |
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2019-07-16 |
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haeun8** |
µî·ÏÀÏ |
2019-07-16 |
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ÀûºÐÀÌ ÀÖÀ¸¹Ç·Î ±× °ø½ÄÀ» »ç¿ëÇÏÁö ¸øÇÕ´Ï´Ù.
ÇüÅ°¡ ¸ÂÁö ¾Ê½À´Ï´Ù. |
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2313 |
Áú¹® |
tom9505** |
2019-07-14 |
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tom9505** |
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2019-07-14 |
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2019-07-16 |
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haeun8** |
µî·ÏÀÏ |
2019-07-16 |
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n ÀÌ ¹«ÇÑ´ë·Î °¥ ¶§ sin ¾ÈÀÇ ÇÔ¼ö°¡ 0 À¸·Î °¥ ¶§¸¸ sin À» ¾ø¾Ù ¼ö ÀÖ½À´Ï´Ù.
µÎ¹ø° ½ÄÀº nÀÌ ¹«ÇÑ´ë·Î °¥ ¶§ sin ¾ÈÀÇ ÇÔ¼ö°¡ ¹«ÇÑ´ë·Î °¡¹Ç·Î sin À» ¾ø¾Ù ¼ö ¾ø½À´Ï´Ù. |
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2312 |
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k7dlxow** |
2019-07-14 |
±ÛÁ¦¸ñ |
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ÀÛ¼ºÀÚ |
k7dlxow** |
µî·ÏÀÏ |
2019-07-14 |
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f(x)>0 ¿¡¼ f(x)ÀÇ ½ÄÀ» ±×´ë·Î ³Ö°í a¸¦ ºÎµî½Ä¿¡¼ ¿ìº¯À¸·Î ³Ñ±â¸é x^3-5x^2+3x > -a °¡ µÇÀݾƿä ÀÌ°Ç »ïÂ÷ÇÔ¼öÀÇ ±Ø¼Ò°ªÀ» ã¾Æ¼ -a °¡ ±× ±Ø¼Ò°ªº¸´Ù ÀÛ´Ù°í Çϸé Á¤´äÀε¥ »ç½Ç »ý°¢Çغ¸¸é »ïÂ÷ÇÔ¼ö¿Í y=-a°¡ ¹Ýµå½Ã ÇÑ ¹ø Á¤µµ´Â ¸¸³ª°Ô µÇ°Åµç¿ä ... ±×·¨À»¶§ ºÎµîÈ£´Â > °¡ ¾ÈµÇ´Â °ÅÁö ¾Ê³ª¿ä? >=ÀÌ¸é ¸ð¸¦±î.. |
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2019-07-16 |
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haeun8** |
µî·ÏÀÏ |
2019-07-16 |
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x°¡ ¸ðµç½Ç¼öÀÇ ¹üÀ§¶ó¸é y=-a ¿Í ¸¸³ª°ÚÁö¸¸
x>0 ÀÎ ¾ç¼öÀÇ ¹üÀ§¿¡¼¸¸ È®ÀÎÇØÁÖ¸é µË´Ï´Ù.
µû¶ó¼ x>0 ÀÎ ºÎºÐ¿¡¼ ±Ø¼Ú°ªÀÌ ¾Æ´Ñ ÃÖ¼Ú°ªÀ» ã¾Æ -a º¸´Ù Å©´Ù°í ½ÄÀ» ¼¼¿öÁÖ¸é µË´Ï´Ù. |
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2311 |
ÇÁ¸®Æнº µè´ÂÁßÀε¥ |
jjh1004** |
2019-07-14 |
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jjh1004** |
µî·ÏÀÏ |
2019-07-14 |
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2019-07-14 |
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µî·ÏÀÏ |
2019-07-14 |
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ÇØÄ¿½ºÆíÀÔÀΰ -> Àüü¸Þ´ºº¸±â -> ÆíÀÔÁ¤º¸ Ŭ¸¯Çϸé
¿ÞÂÊ¿¡ '¸ð¹ÙÀÏ °ø½ÄÁý ¹«·á´Ù¿î' ÀÌ ÀÖ½À´Ï´Ù.
È®ÀÎÇÑ °á°ú ÆäÀÌÁö°¡ ³Ñ¾î°¡Áö ¾Ê¾Æ À̺κР¼öÁ¤ÀÌ ÇÊ¿äÇÒ °Í °°½À´Ï´Ù.
°³¹ßÆÀ¿¡ ¹®ÀÇ ³Ö¾î³ùÀ¸´Ï ÃßÈÄ È®ÀÎ ÇØÁÖ¼¼¿ä. |
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2310 |
11° Áú¹®ÀÔ´Ï´Ù. |
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2019-07-12 |
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11° Áú¹®ÀÔ´Ï´Ù. |
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momodoo** |
µî·ÏÀÏ |
2019-07-12 |
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1.À§ ¹®Á¦³ª ´Ù¸¥ ¶ó±×¶ûÁö ¹®Á¦¸¦ Ç®¶§
ÀÌÄ£±¸°¡ ÃÖ´ë°ªÀ» °®°ÔÇÏ´Â ¼öÀÎÁö ÃÖ¼Ò°ªÀ» °®°ÔÇÏ´Â ¼öÀÎÁö ¾î¶»°Ô ¾Ë¼öÀִ°ÇÁö¿ä?
À̺κÐÀÇ ¼³¸íÀÌ ÀÌÇØ°¡ °¡Áú¾Ê¾Æ Áú¹®µå¸³´Ï´Ù.
À§ µÎÇ¥ÇöÀº 2º¯¼ö°¡ À½ÇÔ¼ö·Î Ç¥ÇöµÇ°Å³ª ¾çÇÔ¼ö·Î Ç¥ÇöµÉ°æ¿ì
ÀÌ µÎ°¡Áö°æ¿ì·Î ³ª´¶´Ù°í Çϼ̽À´Ï´Ù.
2.f(x,y)-z=0 ,z-f(x,y)=0 ÀÌ µÎÇüÅ ÀÚü°¡ À½ÇÔ¼öÀÇ °æ¿ì ¾Æ´Ñ°¡¿ä?
À̵ΰ¡Áö°¡ ¿Ö [Fx,Fy,-1]·Î Ç¥±â°¡ µÇ³ª¿ä??
3. [Fx,Fy,-1] , [-Fx,-Fy,1] ÀÌ µÎ°¡ÁöÀÇ Â÷ÀÌ°¡ ¹«¾ùÀÎÁö ÀÌÇØ°¡ Àß µÇÁö¾Ê´Âµ¥..
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