Example #1
0
 def guess(self, dep, *args, **kwargs):
     ampl = guess_amplitude(dep, *args)
     pos = get_position(dep, *args)
     fwhm = guess_fwhm(dep, *args)
     param_apply_limits(pos, self.pos, **kwargs)
     norm = fwhm['val'] * numpy.sqrt(numpy.pi) * \
         numpy.exp(lgam(self.index.val - 0.5) - lgam(self.index.val))
     for key in ampl.keys():
         ampl[key] *= norm
     param_apply_limits(ampl, self.ampl, **kwargs)
Example #2
0
    def guess(self, dep, *args, **kwargs):
        pos = get_position(dep, *args)
        fwhm = guess_fwhm(dep, *args)
        param_apply_limits(pos, self.pos, **kwargs)
        param_apply_limits(fwhm, self.fwhm, **kwargs)

        norm = guess_amplitude(dep, *args)
        if fwhm != 10:
            aprime = norm['val'] * self.fwhm.val * numpy.pi / 2.
            ampl = {'val': aprime,
                    'min': aprime / _guess_ampl_scale,
                    'max': aprime * _guess_ampl_scale}
            param_apply_limits(ampl, self.ampl, **kwargs)
        else:
            param_apply_limits(norm, self.ampl, **kwargs)
Example #3
0
 def guess(self, dep, *args, **kwargs):
     vmax = get_peak(dep, *args)
     tMax = vmax / 5.88e+10
     t = {'val': tMax,
          'min': tMax / _guess_ampl_scale,
          'max': tMax * _guess_ampl_scale}
     norm = guess_amplitude(dep, *args)
     c_cm = 2.99792458e+10
     h_erg = 6.6260693e-27
     factor = numpy.exp(2.82) * numpy.square(c_cm) / h_erg / 2.
     modampl = norm['val'] * factor / numpy.power(vmax, 3.)
     mod = {'val': modampl,
            'min': modampl / _guess_ampl_scale,
            'max': modampl * _guess_ampl_scale}
     param_apply_limits(mod, self.ampl, **kwargs)
     param_apply_limits(t, self.t, **kwargs)
Example #4
0
    def guess(self, dep, *args, **kwargs):
        if args[0][0] > args[0][-1]:
            self.space.val = 1
        Emax = get_peak(dep, *args)
        tMax = Emax / 1.594
        kt = {'val': tMax,
              'min': tMax / _guess_ampl_scale,
              'max': tMax * _guess_ampl_scale}
        param_apply_limits(kt, self.kt, **kwargs)

        norm = guess_amplitude(dep, *args)
        modampl = norm['val'] * (numpy.exp(Emax / tMax) - 1) / \
            numpy.square(Emax)
        mod = {'val': modampl,
               'min': modampl / _guess_ampl_scale,
               'max': modampl * _guess_ampl_scale}
        param_apply_limits(mod, self.ampl, **kwargs)
Example #5
0
 def guess(self, dep, *args, **kwargs):
     norm = guess_amplitude(dep, *args)
     param_apply_limits(norm, self.norm, **kwargs)