I have 500 terms. and I want replace them with below function
rule1 := {
E^(Wr - (z___*Mr)/4 - (Gr*((Yr*Mr)/x___ + x___*Cr)) -
(Mr*((2*Mr)/y___ + (y___*Cr)/(2*Mr)))/2) :>
Ex[-(x+y+z)/4*Er^2]*
(-(Mr^2/x) - Mr^2/y - Cr/(x+y+z))
} ;
but I have some terms that don't have z (z=0) or y (y=0) for example:
E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)) - Gr (Cr x + (Mr Yr)/x) - (
Mr z)/4)
and rule1 couldn't contain all terms. how can I modify rule1 to contain all terms?
for example, I face this problem
term1 = E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)) - Gr (Cr x +
(Mr*Yr)/x) - (Mr z)/4)
+ E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)) - Gr (Cr x + (Mr
Yr)/x))
+ E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)) - (Mr z)/4)
+ E^(Wr - (1/2) Mr ((2 Mr)/y + (Cr y)/(2 Mr)));
after replacing only last term has changed
term1 //. rule1
E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)))
+ E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)) - Gr (Cr x + (Mr Yr)/x))
+ E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr))
- (Mr z)/4) + (-(Mr^2/x) - Mr^2/y - Cr/(x + y + z)) Ex[1/4 Er^2 (-x - y
- z)]
rule1
now matches your expression:E^(Wr - 1/2 Mr ((2 Mr)/y + (Cr y)/(2 Mr)) - Gr (Cr x + (Mr Yr)/x) - ( Mr z)/4)
$\endgroup$