Ndim_ := 4:
x1_ := r:
x2_ := theta:
x3_ := phi:
x4_ := t:
g11_ := 1/(1-2*m/r-Lambda*r^2/3+e^2/r^2):
g22_ := r^2:
g33_ := r^2*sin(theta)^2:
g44_ := -(1-2*m/r-Lambda*r^2/3+e^2/r^2):
Info_:=`The Reissner-Nordstrom-de Sitter metric`: