µo¥¬ªÌ | ¤º®e¦C | ³X«È
| ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ½Ð±Ð, ¤wª¾¤@¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅé,¦p¦ópºâ¬yÅ餧Åé¿n r:¶ê¬WÅé¥b®| W:¶ê¬WÅé°ª«×(¶ê¬WÅé¾îª×¤§¼e«×) H:¶ê¬WÅé¾îª×¤§¬yÅé°ª«×
·q½Ð¦^ÂÐ .·PÁ±z.
|
| 2006-03-26 17:40 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¶ê¬WÅéÅé¿nªº¤½¦¡¡G
©³±¿n¡Ñ¬WÅ骺°ª
¡×(¥b®|¡Ñ¥b®|¡Ñ£k)¡Ñ¬WÅ骺°ª
©Ò¦³²GÅé·»²G¦n¹³¬O¥H¶ê¬WÅ骺¥]¸Ë,ì¦]¦p¤U:
¦pªG¦³µ¥¶qªº§÷®Æ°µ¦¨¶ê¬WÅ骺®e¿n¸û¤j ¶ê¬WÅé¡Ö¥ß¤èÅé¡Ö¤T¨¤Åé ¤£¹L¦bpºâ«á·|µo²{²y§Î®e¿n·|¤ñ¶ê¬WÅé§ó¦n ¦ý²y§Î¤£®e©ö¸m(¬Û«H§Ú¡A§A¤£·|·Q®³¤@Ó²y§Îªº¬Á¼þªM¸Ë¶¼®Æ) ©Ò¥H®e¾¹¤´¥H¶ê¬WÅ鬰¥D
·íµM,¶ê§Î©Ò¯à©Ó¨üªºÀ£¤O¸û¤j, ¤ñ¦p¹³¨T¤ô³oºØºÒ»Ä¶¼®Æ©ö®ðÃz,¤]´N¬O¤º³¡À£¤O©Ó¨ü¤ñ¸û¤j,¤£¥Î¶ê¬WÅé¨Ó¸Ëªº¸Ü·|Ãz¶}(²y«¬¤£©ö©ñ,©Ò¥H°h¦Ó¨D¨ä¦¸¬O¥H¶ê¬WÅé©Ó¸Ë)
¤ñ¦pª`®g¾¹½¦µ©ì¦]¤]¬O¦p¦¹: ¤@¡B ¶ê ¤ñ ¦P©Pªøªº¨ä¥¦¥ô¦ó§Îª¬ªº±¿n¬°¤j¡C¦]¦¹¦P«p¥B¦P«¶qªº½¦µ©¥i¥H¸Ë³Ì¤j¶qªº¤ô¡C
¤G¡B ¶ê¬WÅ骬ªº½¦µ©¦b²±¤ô®É ªu¶ê©P¤è¦V¦U³B±i¤O¬Û¦P¡C¦]¬°¦¹±i¤O»P¤ôÀ£¥¿Å¡A©Ò¥H½¦µ©§Îª¬Ã©w¤£ÅÜ¡C ¨ä¥¦§Îª¬ªº½¦µ©¦b²±¤ô®É ªu©Pªø¦U³B¨ü¤O±¡ªp¤£¦P¦Ó¥B¦³Ås¦±¤Oªº²£¥Í¡C¥¦·|µy·LÅܧΦ¨¶ê¬WÅ骬¡C
|
| 2006-03-26 18:31 | | ³X«È
| | 2006-03-26 18:41 | | ³X«È
| | 2006-03-26 18:51 | | frog Just can't stay away
µù¥U¤é: 2006-02-28 µoªí¼Æ: 114
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¤Þ¤å:
¼g¹D: ¤wª¾¤@¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅé,¦p¦ópºâ¬yÅ餧Åé¿n r:¶ê¬WÅé¥b®| W:¶ê¬WÅé°ª«×(¶ê¬WÅé¾îª×¤§¼e«×) H:¶ê¬WÅé¾îª×¤§¬yÅé°ª«×
¤£ª¾§A¬O§_¾Ç¹L¤Ï¤T¨¤¨ç¼Æ,§Y¤T¨¤¨ç¼Æªº¤Ï¨ç¼Æ? ¦¹ÃDY¥Î¤Ï¤T¨¤¨ç¼Æ¨Ó¸Ñ¨Ã¤£Ãø,¦ý¥i¯à¤w¸g¶W¥X§A²{¦b©Ò¾Çªº½d³ò,¤£ª¾¬O§_¦³°ª¤â¥i¥H¤£¥Î¤Ï¤T¨¤¨ç¼Æ¨Óªí¥Ü¬yÅ骺Åé¿n |
| 2006-03-26 21:52 | | ³X«È
| | 2006-03-27 11:19 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | °ª¤â¦bþ? °ª¤â¦bþ? °ª¤â¦bþ?
Who is an expert?
A skilled mathematician takes years to train.
Where? Where? Where?
|
| 2006-03-27 20:02 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | The problem wasn't resolved so I came to get the bottom of things. Do well and have well, please.
|
| 2006-03-27 20:17 | | frog Just can't stay away
µù¥U¤é: 2006-02-28 µoªí¼Æ: 114
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¥ý©w¸q¥¿©¶¨ç¼Æsin»P¾l©¶¨ç¼Æcos: ¤wª¾ª½¨¤¤T¨¤§Î,Y±×Ã䬰r,¨¤Aªº¹ïÃ䬰y,¾FÃ䬰x «hcosA=x/r, sinA=y/r, r^2=x^2+y^2 §Y¤Ï¥¿©¶¨ç¼Æarcsin(y/r)=A©Î¤Ï¾l©¶¨ç¼Æarccos(x/r)=A,§Y¤Ï¥¿©¶¨ç¼Æ»P¤Ï¾l©¶¨ç¼Æ§¡¥iªí¥Ü¦P¤@Ó¨¤«×A,þ¤@Óªí¥Ü¸û²¼ä´N¥Îþ¤@Ó ¨Ò¦p:cos(£k/3)=1/2,«harccos(1/2)=£k/3 ¥t¥~:¤wª¾¥b®|r»P§¨¨¤A,«h©Ò§¨¶ê©·¤§±¿n¬°1/2(r^2*A),¦¹¤½¦¡¥i¥Ñ±¿n¤ñ»´ÃP±À±o ¨ÌÃD·N,¥i§Q¥Î¥H¤W¤T¨¤»P¤Ï¤T¨¤¨ç¼ÆÆ[©À (1)Hr ¬yÅéÅé¿n¬° £k*r^2/2+W[r^2*arccos((H-r)/r)-(H-r)*(2rH-H^2)^2]
|
| 2006-03-27 20:58 | | frog Just can't stay away
µù¥U¤é: 2006-02-28 µoªí¼Æ: 114
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¤Þ¤å:
frog ¼g¹D: ¥ý©w¸q¥¿©¶¨ç¼Æsin»P¾l©¶¨ç¼Æcos: ¤wª¾ª½¨¤¤T¨¤§Î,Y±×Ã䬰r,¨¤Aªº¹ïÃ䬰y,¾FÃ䬰x «hcosA=x/r, sinA=y/r, r^2=x^2+y^2 §Y¤Ï¥¿©¶¨ç¼Æarcsin(y/r)=A©Î¤Ï¾l©¶¨ç¼Æarccos(x/r)=A,§Y¤Ï¥¿©¶¨ç¼Æ»P¤Ï¾l©¶¨ç¼Æ§¡¥iªí¥Ü¦P¤@Ó¨¤«×A,þ¤@Óªí¥Ü¸û²¼ä´N¥Îþ¤@Ó ¨Ò¦p:cos(£k/3)=1/2,«harccos(1/2)=£k/3 ¥t¥~:¤wª¾¥b®|r»P§¨¨¤A,«h©Ò§¨¶ê©·¤§±¿n¬°1/2(r^2*A),¦¹¤½¦¡¥i¥Ñ±¿n¤ñ»´ÃP±À±o ¨ÌÃD·N,¥i§Q¥Î¥H¤W¤T¨¤»P¤Ï¤T¨¤¨ç¼ÆÆ[©À (1)H¤p©ór ¬yÅéÅé¿n¬°W[r^2*arccos((r-H)/r)-(r-H)*(2rH-H^2)^2] (2)H>r ¬yÅéÅé¿n¬° £k*r^2/2+W[r^2*arccos((H-r)/r)-(H-r)*(2rH-H^2)^2]
¤S¤£¤p¤ß¥Î¨ì¤p©óªº²Å¸¹¤F ¼Ó¤W¤§¥þ¤å¦p¤Þ¤å |
| 2006-03-27 21:01 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | Mathematics is difficult for me. This problem is so hard to pupils. I try it you mean. I have to spend a few days.
My father said that iit takes ten years to grow trees but a hundred years to bring up a generation of good man. I will remember your wisdom. Thanks! |
| 2006-03-27 21:59 | | frog Just can't stay away
µù¥U¤é: 2006-02-28 µoªí¼Æ: 114
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¤Þ¤å:
frog ¼g¹D: (1)H¤p©ór ¬yÅéÅé¿n¬°W[r^2*arccos((r-H)/r)-(r-H)*(2rH-H^2)^2] (2)H>r ¬yÅéÅé¿n¬° (£k*r^2)/2+W[r^2*arccos((H-r)/r)-(H-r)*(2rH-H^2)^2]
Sorry,(2)§Ñ¤F¼¥H¶ê¬WÅ骺°ª«×W,¥t¥~¦A¥[¤W(3)H=rªº±¡§Î,§YÅé¿n¬°¶ê¬W§UÅ骺¤@¥b,³Ì«á¤@¶µ¬°¶}®Ú¸¹¦Ó¤£¬O¥¤è(¥´¦r¿ù»~) ×¥¿«á¤§§¹¾ãµª®×¦p¤U: 1)H¤p©ór ¬yÅéÅé¿n¬°W[r^2*arccos((r-H)/r)-(r-H)*(2rH-H^2)^(1/2)] (2)H>r ¬yÅéÅé¿n¬° W(£k*r^2)/2+W[r^2*arccos((H-r)/r)-(H-r)*(2rH-H^2)^(1/2)] (3)H=r ¬yÅéÅé¿n¬°W(£k*r^2)/2
|
| 2006-03-28 23:03 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¦³¤HÀ´¶Ü?
¥i¤£¥i¥H¦A¥Î§ó²³æºâªk................. |
| 2006-03-29 20:43 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | ¡]®°§Î±¿n¡Ðµ¥¸y¤T¨¤§Î±¿n¡^X¬W°ª |
| 2006-03-31 11:28 | | ³X«È
| Re: ¾îª×¤§¶ê¬WÅé,¤º¸Ë¬yÅéÅé¿n | | 1.°ª«×¤p©ó¥b®|¡G¡]®°§Î±¿n¡Ðµ¥¸y¤T¨¤§Î±¿n¡^X¬W°ª
2.°ª«×µ¥©ó¥b®|¡G¬WÅéÅé¿n¡þ2
3.°ª«×¤j©ó¥b®|¡G¡]©³¶ê±¿n¡Ð®°§Î±¿n¡Ïµ¥¸y¤T¨¤§Î±¿n¡^X¬W°ªH |
| 2006-03-31 11:34 | |
|
|
|
|