lattice/pyerrors
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The changes i tried to push before

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JanNeuendorf 2022-01-18 16:16:54 +01:00
parent 39f176585e
commit 2f11d0d30b
1 changed files with 41 additions and 58 deletions
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19
pyerrors/correlators.py
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@ -109,7 +109,6 @@ class Corr:
vector_l, vector_r = np.asarray([1.] + (self.N - 1) * [0.]), np.asarray([1.] + (self.N - 1) * [0.]) vector_l, vector_r = np.asarray([1.] + (self.N - 1) * [0.]), np.asarray([1.] + (self.N - 1) * [0.])
elif(vector_r is None): elif(vector_r is None):
vector_r = vector_l vector_r = vector_l
if isinstance(vector_l, list) and not isinstance(vector_r, list): if isinstance(vector_l, list) and not isinstance(vector_r, list):
if len(vector_l) != self.T: if len(vector_l) != self.T:
raise Exception("Length of vector list must be equal to T") raise Exception("Length of vector list must be equal to T")
@ -119,7 +118,6 @@ class Corr:
raise Exception("Length of vector list must be equal to T") raise Exception("Length of vector list must be equal to T")
vector_l = [vector_l] * self.T vector_l = [vector_l] * self.T
if not isinstance(vector_l, list): if not isinstance(vector_l, list):
if not vector_l.shape == vector_r.shape == (self.N,): if not vector_l.shape == vector_r.shape == (self.N,):
raise Exception("Vectors are of wrong shape!") raise Exception("Vectors are of wrong shape!")
@ -215,8 +213,6 @@ class Corr:
# There are two ways, the GEVP metod can be called. # There are two ways, the GEVP metod can be called.
# 1. return_list=False will return a single eigenvector, normalized according to V*C(t_0)*V=1 # 1. return_list=False will return a single eigenvector, normalized according to V*C(t_0)*V=1
# 2. return_list=True will return a new eigenvector for every timeslice. The time t_s is used to order the vectors according to. arXiv:2004.10472 [hep-lat] # 2. return_list=True will return a new eigenvector for every timeslice. The time t_s is used to order the vectors according to. arXiv:2004.10472 [hep-lat]
def GEVP(self, t0, ts, state=0, sorting="Eigenvalue", return_list=False): def GEVP(self, t0, ts, state=0, sorting="Eigenvalue", return_list=False):
if not return_list: if not return_list:
if (self.content[t0] is None) or (self.content[ts] is None): if (self.content[t0] is None) or (self.content[ts] is None):
@ -246,10 +242,7 @@ class Corr:
all_vecs.append(sp_vec) all_vecs.append(sp_vec)
else: else:
all_vecs.append(sp_vecs) all_vecs.append(sp_vecs)
except "Failure to solve for one timeslice": # This could contain a check for real eigenvectors
except: #This could contain a check for real eigenvectors
all_vecs.append(None) all_vecs.append(None)
if sorting == "Eigenvector": if sorting == "Eigenvector":
all_vecs = sort_vectors(all_vecs, ts) all_vecs = sort_vectors(all_vecs, ts)
@ -257,8 +250,6 @@ class Corr:
return all_vecs return all_vecs
def Eigenvalue(self, t0, state=1): def Eigenvalue(self, t0, state=1):
G = self.smearing_symmetric() G = self.smearing_symmetric()
G0 = G.content[t0] G0 = G.content[t0]
@ -278,8 +269,6 @@ class Corr:
newcontent.append(eigenvalue) newcontent.append(eigenvalue)
return Corr(newcontent) return Corr(newcontent)
def Hankel(self, N, periodic=False): def Hankel(self, N, periodic=False):
# Constructs an NxN Hankel matrix # Constructs an NxN Hankel matrix
# C(t) c(t+1) ... c(t+n-1) # C(t) c(t+1) ... c(t+n-1)
@ -290,13 +279,11 @@ class Corr:
if self.N != 1: if self.N != 1:
raise Exception("Multi-operator Prony not implemented!") raise Exception("Multi-operator Prony not implemented!")
array = np.empty([N, N], dtype="object") array = np.empty([N, N], dtype="object")
new_content = [] new_content = []
for t in range(self.T): for t in range(self.T):
new_content.append(array.copy()) new_content.append(array.copy())
def wrap(i): def wrap(i):
if i >= self.T: if i >= self.T:
return i-self.T return i-self.T
@ -312,12 +299,8 @@ class Corr:
else: else:
new_content[t][i, j] = self.content[t+i+j][0] new_content[t][i, j] = self.content[t+i+j][0]
return Corr(new_content) return Corr(new_content)
def roll(self, dt): def roll(self, dt):
"""Periodically shift the correlator by dt timeslices """Periodically shift the correlator by dt timeslices