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Python PolyRing.factors方法代码示例

本文整理汇总了Python中jas.PolyRing.factors方法的典型用法代码示例。如果您正苦于以下问题：Python PolyRing.factors方法的具体用法？Python PolyRing.factors怎么用？Python PolyRing.factors使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jas.PolyRing的用法示例。


在下文中一共展示了PolyRing.factors方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: startLog

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
# f = x**6 + x**5 + x**4 + x**3 + x**2 + x + 1;
# f = x**2 - i;
# f = x**3 - i;
# f = x**2 + 1;
# f = x**5 - 1;
# f = x**4 + x**3 + x**2 + x + (1,);
# f = ( x**2 - i - 1 ) * ( x**2 + i + 1 );
f = (x ** 2 - i) * (x ** 2 + i + 1)

print "f = ", f
print

# startLog();

t = System.currentTimeMillis()
G = r.factors(f)
t = System.currentTimeMillis() - t
# print "G = ", G;
# print "factor time =", t, "milliseconds";

f2 = one
for h, i in G.iteritems():
    print "h**i = (", h, ")**" + str(i)
    h = h ** i
    f2 = f2 * h
# print "f2 = ", f2;
print

if cmp(f, f2) == 0:
    print "factor time =", t, "milliseconds,", "isFactors(f,g): true"
else:
开发者ID:siwiwit，项目名称:java-algebra-system，代码行数:33，代码来源:factors_abs_complex.py

示例2: cmp

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
#f = f1**2 * f2 * f3;
f = f1 * f2 * f3;
#f = f1 * f2;
#f = f1 * f3;
#f = f2 * f3;
#f = f3;

#f = f**3;

print "f = ", f;
print;

#startLog();

t = System.currentTimeMillis();
R = r.factors(f);
t = System.currentTimeMillis() - t;
#print "R = ", R;
#print "complex factor time =", t, "milliseconds";

g = one;
for h, i in R.iteritems():
    print "h**i = "+  str(h) + "**" + str(i);
    h = h**i;
    g = g*h;
#print "g = ", g;

if cmp(f,g) == 0:
    print "complex factor time =", t, "milliseconds,", "isFactors(f,g): true" ;
else:
    print "complex factor time =", t, "milliseconds,", "isFactors(f,g): ",  cmp(f,g);
开发者ID:，项目名称:，代码行数:33，代码来源:

示例3: startLog

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
#f = ( y**2 - 2 );
#f = ( y**2 - x );
#f = ( w2 * y**2 - 1 );
#f = ( y**2 - 1/x );
#f = ( y**2 - (1,2) );
#f = ( y**2 - 1/x ) * ( y**2 - (1,2) );

print "f = ", f;
print;

#sys.exit();

startLog();

t = System.currentTimeMillis();
G = Yr.factors(f);
t = System.currentTimeMillis() - t;
#print "G = ", G;
#print "factor time =", t, "milliseconds";

#sys.exit();

print "f    = ", f;
g = one;
for h, i in G.iteritems():
    if i > 1:
        print "h**i = ", h, "**" + str(i);
    else:
        print "h    = ", h;
    h = h**i;
    g = g*h;
开发者ID:rjolly，项目名称:jas，代码行数:33，代码来源:factors_algeb_trans.py

示例4: PolyRing

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
# jython examples for jas.
# $Id$
#

import operator
from jas import PolyRing, QQ
from jas import startLog, terminate

# simple factorization example

r = PolyRing( QQ(), "x,y,z", PolyRing.lex); # or PolyRing.grad
print "PolyRing: " + str(r);
print;

p = (x+y+z)**11*(x+1)**5*(y+z)**3;
#print "p: " + str(p);
#print;

#startLog();
f = r.factors( p );
print "factors: " + ", ".join( [ str(k) + "**" + str(v) for k,v in f.items() ] );
print;

mp = reduce(operator.mul, [ k**v for k,v in f.items() ] );
#print str(mp);
print "p == mp: " + str(p == mp);
print;

startLog();
terminate();
开发者ID:rjolly，项目名称:jas，代码行数:32，代码来源:getstart-factor.py

示例5: str

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
print "i     = " + str(i);
print "w2    = " + str(w2);
print "x     = " + str(x);
print;

#sys.exit();

f = ( x**2 + 1 ) * ( x**2 - 2 );

print "f = ", f;
print;

startLog();

t = System.currentTimeMillis();
G = Qiw2.factors(f);
t = System.currentTimeMillis() - t;
#print "G = ", G;
#print "factor time =", t, "milliseconds";

g = one;
for h, i in G.iteritems():
    print "h**i = (", h, ")**" + str(i);
    h = h**i;
    g = g*h;
#print "g = ", g;

if cmp(f,g) == 0:
    print "factor time =", t, "milliseconds,", "isFactors(f,g): true" ;
else:
    print "factor time =", t, "milliseconds,", "isFactors(f,g): ",  cmp(f,g);
开发者ID:，项目名称:，代码行数:33，代码来源:

示例6: startLog

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
# f = ( y**2 - 2 );
# f = ( y**2 - x );
# f = ( w2 * y**2 - 1 );
# f = ( y**2 - 1/x );
# f = ( y**2 - (1,2) );
# f = ( y**2 - 1/x ) * ( y**2 - (1,2) );

print "f = ", f
print

# sys.exit();

startLog()

t = System.currentTimeMillis()
G = Yr.factors(f)
t = System.currentTimeMillis() - t
# print "G = ", G;
# print "factor time =", t, "milliseconds";

# sys.exit();

print "f    = ", f
g = one
for h, i in G.iteritems():
    if i > 1:
        print "h**i = ", h, "**" + str(i)
    else:
        print "h    = ", h
    h = h ** i
    g = g * h
开发者ID:rjolly，项目名称:jas，代码行数:33，代码来源:factors_algeb_trans.py

示例7: str

# 需要导入模块: from jas import PolyRing [as 别名]
# 或者: from jas.PolyRing import factors [as 别名]
print "one   = " + str(one);
print "i     = " + str(i);
print "x     = " + str(x);


#f = x**7 - 1;

f = x**6 + x**5 + x**4 + x**3 + x**2 + x + 1;

print "f = ", f;
print;

startLog();

t = System.currentTimeMillis();
G = r.factors(f);
t = System.currentTimeMillis() - t;
print "#G = ", str(len(G));
#print "factor time =", t, "milliseconds";

## f2 = one;
## for h, i in G.iteritems():
##     print "h**i = (", h, ")**" + str(i);
##     h = h**i;
##     f2 = f2*h;
#print "f2 = ", f2;
print;

## if cmp(f,f2) == 0:
##     print "factor time =", t, "milliseconds,", "isFactors(f,g): true" ;
## else:
开发者ID:rjolly，项目名称:jas，代码行数:33，代码来源:factors_compl_algeb.py


注：本文中的jas.PolyRing.factors方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。