def updateParams(self, pars):
        ok = LCDMCosmology.updateParams(self, pars)
        if not ok:
            return False
        for p in pars:
            if p.name == "mquin":
                self.mquin = p.value
            elif p.name == "mphan":
                self.mphan = p.value
            elif p.name == "iniphi":
                self.iniphi = p.value
            elif p.name == 'beta':
                self.beta = p.value

        #Searches initial conditions and computes the Hubble function
        self.search_ini()
        if self.chatty:
            print('phi, phan, beta, ini', self.mquin, self.mphan, self.beta,
                  self.iniphi)
        if False:
            #if self.mid != 0:
            "Useful for testing purposes"
            quin, dquin, phan, dphan = self.solution

            w1 = 0.5 * dquin**2 + self.qp * 0.5 * dphan**2 - self.Vtotal(
                quin, phan, 0) / self.cte - self.Vtotal(quin, phan,
                                                        0) / self.cte
            w2 = 0.5 * dquin**2 + self.qp * 0.5 * dphan**2 + self.Vtotal(
                quin, phan, 0) / self.cte + self.Vtotal(quin, phan,
                                                        0) / self.cte

            plt.plot(self.zvals, self.logatoz(w1 / w2))
            plt.title('mquin %f, mphan %f' % (self.mquin, self.mphan))
            plt.show()
        return True
    def updateParams(self, pars):
        ok = LCDMCosmology.updateParams(self, pars)
        if not ok:
            return False
        for p in pars:
            if p.name == "philam":
                self.ilam = p.value
            elif p.name == "phialp":
                self.alpha = p.value
            elif p.name == "phibeta":
                self.beta = p.value
            elif p.name == "phimu":
                self.mu = p.value
            elif p.name == "Ok":
                self.Ok = p.value
                self.setCurvature(self.Ok)
                if (abs(self.Ok) > 1.0):
                    return False

        self.set_ini()
        """ Testing
        import matplotlib.pyplot as plt
        dataHz = np.loadtxt('data/Hz_all.dat')
        redshifts, obs, errors = [dataHz[:,i] for i in [0,1,2]]
        plt.errorbar(redshifts, obs, errors, xerr=None,
                     color='purple', marker='o', ls='None',
                     elinewidth =2, capsize=5, capthick = 1, label='$Datos$')
        plt.xlabel(r'$z$')
        plt.ylabel(r'$H(z) [km/s Mpc^{-1}]$')
        plt.plot(self.zvals, [67.4*np.sqrt(self.RHSquared_a(1./(1+z))) for z in self.zvals])
        #plt.plot(self.zvals, [67.4*np.sqrt(self.hubble(1./(1+z))) for z in self.zvals])
        plt.title('mquin %f'%(self.alpha))
        plt.show()
        """
        return True
Example #3
0
    def updateParams(self, pars):
        ok = LCDMCosmology.updateParams(self, pars)
        if not ok:
            return False
        for p in pars:
            if p.name == "alpha":
                self.alpha = p.value

        self.start()
        return True
Example #4
0
 def updateParams(self, pars):
     ok = LCDMCosmology.updateParams(self, pars)
     if not ok:
         return False
     for p in pars:
         if p.name == "dw":
             self.dw0 = p.value
         elif p.name == "Ok":
             self.Ok = p.value
             self.setCurvature(self.Ok)
             if (abs(self.Ok) > 1.0):
                 return False
     return True
 def updateParams(self, pars):
     ok = LCDMCosmology.updateParams(self, pars)
     if not ok:
         return False
     for p in pars:
         if p.name == "Ok":
             self.Ok = p.value
             # se comments to BaseCosmology class
             # in short, WE hold the Ok parameter
             # (maybe you want to parameterize it differently),
             # but the BaseCosmology class needs to know about Ok in order
             # to get Da and its sin/sinhs right.
             self.setCurvature(self.Ok)
             if (abs(self.Ok) > 1.0):
                 return False
     if self.zeroDE:
         # set curvature so that Ode=0
         self.Ok = 1 - self.Om
         self.setCurvature(self.Ok)
     return True
Example #6
0
 def updateParams(self, pars):
     ok = LCDMCosmology.updateParams(self, pars)
     if not ok:
         return False
     for p in pars:
         if p.name == "w":
             self.w0 = p.value
         elif p.name == "wa":
             self.wa = p.value
         elif p.name == "Ok":
             self.Ok = p.value
             self.setCurvature(self.Ok)
             if (abs(self.Ok) > 1.0):
                 return False
         elif p.name == "q0":
             self.q0 = p.value
         elif p.name == "j0":
             self.j0 = p.value
         elif p.name == "Omega0":
             self.Omega0 = p.value
     return True