def time3(n=5):
import swiginac
x,y,z = map(swiginac.symbol,'xyz')
v,w = map(swiginac.wild,[1,2])
pattern = (v*w)**swiginac.sin(x+w)
expr = (x*y**2)**swiginac.sin(x+y**2)
pattern = (v*w)
expr = (x*y**2)
l = []
t1 = clock()
while n:
m=expr.match(pattern,l)
n -= 1
t2 = clock()
print l,m
assert m=={w:y**2,v:x},`m`
print 'time3:',t2-t1
return 100 / (t2-t1)
def time3(n=5):
import swiginac
x, y, z = map(swiginac.symbol, 'xyz')
f = (x / (1 + swiginac.sin(x**(y + x**2)))**2)
t1 = clock()
while n:
f = f.diff(x)
n -= 1
t2 = clock()
print 'time3:', t2 - t1
return 100 / (t2 - t1)
def time3(n=5):
import swiginac
x,y,z = map(swiginac.symbol,'xyz')
f = (x / (1+swiginac.sin(x**(y+x**2)))**2)
t1 = clock()
while n:
f = f.diff(x)
n -= 1
t2 = clock()
print 'time3:',t2-t1
return 100 / (t2-t1)
def sin(e):
return Expr(_g.sin(e()), e.spatial_symbs, time=e.time)
