def subFunc(El,p):
# print 'Now '+str(p)
for i in range(len(El)-1):
e1 = Equation.equate(El[p[i]],El[p[i+1]])
Equation.simplify(e1)
print 'Elinated and Simplified: '+e1.show()
print 'Before :- \n '+' '.join([t.show()+'\n' for t in El])
def eliminateS(x,E):
if validEq(x,E)!=1:
return
else:
E1=[]
i=0
while i<len(E):
if validVar(x,E[i])==1:
E1.append(Equation.seperate(E[i],x))
E.remove(E[i])
else:
i=i+1
for i in range(0,len(E1)-1,1):
e = Equation.equate(E1[i],E1[i+1])
Equation.simplify(e)
E.append(e)
return
