def christ_sym0_11(self, vec):
num = sf(vec[0] * u.s, self.era, self.tuning_param) * sfd(
vec[0] * u.s, self.era, self.tuning_param)
deno = 1 - (self.k * (vec[1]**2))
return num / deno
def christ_sym0_33(self, vec):
val = (sf(vec[0] * u.s, self.era, self.tuning_param) *
sfd(vec[0] * u.s, self.era, self.tuning_param) * (vec[1]**2) *
(np.sin(vec[2])**2))
return val
def christ_sym1_01(self, vec):
val = sfd(vec[0] * u.s, self.era, self.tuning_param) / sf(
vec[0] * u.s, self.era, self.tuning_param)
return val
def christ_sym0_22(self, vec):
val = (sf(vec[0] * u.s, self.era, self.tuning_param) *
sfd(vec[0] * u.s, self.era, self.tuning_param) * (vec[1]**2))
return val