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x=635.15:1:660.15;
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^338256*.x^2+1.2366*10^7*x-1.5989*10^9;
plot(y,x)
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dbb627

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y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^338256*.x^2+1.2366*10^7*x-1.5989*10^9;
ʽ×Óд´íÁË
x.^3+38256*x.^2»òÕßx.^3-38256*x.^2

[ Last edited by dbb627 on 2013-11-26 at 21:18 ]
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2013-11-26 21:13:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Éò³¿

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by dbb627 at 2013-11-26 21:13:16
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^338256*.x^2+1.2366*10^7*x-1.5989*10^9;
ʽ×Óд´íÁË
x.^3+38256*x.^2»òÕßx.^3-38256*x.^2
...

y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^3-38256*.x^2+1.2366*10^7*x-1.5989*10^9;
ÊÇÎÒ¸´ÖÆÊ±Ð´´íÁË£¬²»¹ýÎÒ´úÂëÊÇÉÏÃæµÄ»¹ÊÇÒ»Ñù´íÎó£¬Äã¿ÉÒÔÊÔÒ»ÏÂ
3Â¥2013-11-26 21:35:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by Éò³¿ at 2013-11-26 21:35:02
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^3-38256*.x^2+1.2366*10^7*x-1.5989*10^9;
ÊÇÎÒ¸´ÖÆÊ±Ð´´íÁË£¬²»¹ýÎÒ´úÂëÊÇÉÏÃæµÄ»¹ÊÇÒ»Ñù´íÎó£¬Äã¿ÉÒÔÊÔÒ»ÏÂ...

38256*x.^2
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
4Â¥2013-11-26 21:59:34
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