Ejemplo n.º 1
0
# get list of R matrices
R = [PALutils.createRmatrix(p.dmatrix, p.err) for p in psr]

L = []
for ct, p in enumerate(psr):

    Amp = p.Amp
    gam = p.gam
    efac = p.efac
    equad = p.equad
    try:
        cequad = p.cequad
    except AttributeError:
        cequad = 0
        
    avetoas, U = PALutils.exploderMatrix(p.toas)
    Tspan = p.toas.max()-p.toas.min()
    F, f = PALutils.createfourierdesignmatrix(p.toas, 10, freq=True, Tspan=Tspan)
            
    f1yr = 1/3.16e7
    rho = (Amp**2/12/np.pi**2 * f1yr**(gam-3) * f**(-gam)/Tspan)
    
    tmp = np.zeros(20)
    tmp[0::2] = rho
    tmp[1::2] = rho
    
    phi = np.diag(tmp)
    
    white = PALutils.createWhiteNoiseCovarianceMatrix(p.err, efac**2, equad)
    
    cequad_mat = cequad**2 * np.dot(U,U.T)
Ejemplo n.º 2
0
# get list of R matrices
R = [PALutils.createRmatrix(p.dmatrix, p.err) for p in psr]

L = []
for ct, p in enumerate(psr):

    Amp = p.Amp
    gam = p.gam
    efac = p.efac
    equad = p.equad
    try:
        cequad = p.cequad
    except AttributeError:
        cequad = 0

    avetoas, U = PALutils.exploderMatrix(p.toas)
    Tspan = p.toas.max() - p.toas.min()
    F, f = PALutils.createfourierdesignmatrix(p.toas,
                                              10,
                                              freq=True,
                                              Tspan=Tspan)

    f1yr = 1 / 3.16e7
    rho = (Amp**2 / 12 / np.pi**2 * f1yr**(gam - 3) * f**(-gam) / Tspan)

    tmp = np.zeros(20)
    tmp[0::2] = rho
    tmp[1::2] = rho

    phi = np.diag(tmp)