Differences between revisions 110 and 193 (spanning 83 versions)
Revision 110 as of 2008-03-18 06:45:16
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Editor: Motoste
Comment:
Revision 193 as of 2012-05-16 13:31:15
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Editor: daxian001
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= 介绍一下我自己 =
 . 专注于:C++,Java,linux,反垃圾邮件技术
 . 对新技术富有激情,喜好读IT技术书籍;爱好广泛,关心股票,理财;
 . 喜欢NBA,英超;爱玩Dota,实况,NBA2008,跑跑卡丁车;喜欢作
 . 麦霸(KTV)的感觉;哈哈
= 怎样找到我 =
 . E-Mail: [email protected]
 . CSDN: http://blog.csdn.net/hicsdn.aspx?username=Motoste
 douban: http://www.douban.com/people/2075457/
 Wiki: http://wiki.woodpecker.org.cn/moin/motoste
 MSN: [email protected]
 GTalk: [email protected]
---- '刚入门,你还要留我多长时间?才肯放我晋级行者啊!!!!'

'自己编写的一个小小简单python程序'

'''
#ax^2+bx+c=0 解二次方程的根

import math

def getroot(a,b,c):

    if a==0:
        if b!=0:
            r1=r2=-c/b
        else:
            r1=r2=None

            print('a,b,c!=0')
    else:
        d=b**2-4*a*c

        e1=-b+math.sqrt(abs(d))

        e2=-b-math.sqrt(abs(d))

        if d>0:
            r1=e1/(2*a)

            r2=e2/(2*a)
        elif d==0:
            r1=r2=-b/(2*a)
        else:
            r1=r2=None

            print('无根')
    return(r1,r2)

a=['a','b','c']

b=[0,0,0]

for i in range(3):
    a[i]=input("please float integer %s="%a[i])
    if a[i]:
        try:
            j=float(a[i])
        except ValueError as err:
            print(err)
            break
    b[i]=j
print('方程的根为:',getroot(b[0],b[1],b[2]))
'''

["PythonLearningPlan"]
["MyNewPage"]


'刚入门,你还要留我多长时间?才肯放我晋级行者啊!!!!'

'自己编写的一个小小简单python程序'

#ax^2+bx+c=0 解二次方程的根

import math

def getroot(a,b,c):

  • if a==0:
    • if b!=0:
      • r1=r2=-c/b
      else:
      • r1=r2=None print('a,b,c!=0')
    else:
    • d=b**2-4*a*c e1=-b+math.sqrt(abs(d)) e2=-b-math.sqrt(abs(d))

      if d>0:

      • r1=e1/(2*a) r2=e2/(2*a)
      elif d==0:
      • r1=r2=-b/(2*a)
      else:
      • r1=r2=None print('无根')
    return(r1,r2)

a=['a','b','c']

b=[0,0,0]

for i in range(3):

  • a[i]=input("please float integer %s="%a[i]) if a[i]:
    • try:
      • j=float(a[i])

      except ValueError as err:

      • print(err) break
    b[i]=j

print('方程的根为:',getroot(b[0],b[1],b[2]))

["PythonLearningPlan"] ["MyNewPage"]

WikiSandBox (last edited 2013-12-17 14:04:40 by lengxuezhixuan)