def __str__(self):
''' print out '''
s='Basis of %d photons in %d modes, ' % (self.nphotons, self.nmodes)
s+='Hilbert space dimension: %d\n' % self.hilbert_space_dimension
n=0
for fock, mode in zip(self.fock_representation, self.mode_representation):
s+=str(n)+'\t - \t '+ket(fock)+' \t - \t '+ket(mode)+'\n'
n+=1
return s+'\n'
def __str__(self):
s=''
if len(self.nonzero_terms)==0: s+='No nonzero terms (a "blank" state)'
self.nonzero_terms=sorted(self.nonzero_terms)
for index in self.nonzero_terms:
a=self.vector[index]
s+='%.2f + %.2fi ' % (a.real, a.imag)
s+=ket(self.basis.fock(index))
if self.nmodes<10: s+=' ('+ket(self.basis.mode(index))+')'
s+='\n'
return s
