def plot_hist(syst, ax):
single_run_matrices = []
for _ in range(50):
sol = solve_system(syst)
sol_extract = sol.T[int(len(sol.T)*3/4):]
if filter_steady_state(sol_extract):
continue
single_run_mat = compute_correlation_matrix(np.array([sol_extract]))
if single_run_mat.shape == (4, 4):
single_run_mat = single_run_mat[:-1,:-1]
assert single_run_mat.shape == (3, 3)
single_run_matrices.append(single_run_mat)
single_run_matrices = np.asarray(single_run_matrices)
# plotting
cols = cycle(['b', 'r', 'g', 'c', 'm', 'y', 'k'])
for i, row in enumerate(single_run_matrices.T):
for j, series in enumerate(row):
if i == j: break
sns.distplot(series, ax=ax, label=r'$c_{{{},{}}}$'.format(i,j))
ax.set_xlim((-1,1))
ax.set_xticks([], [])
ax.set_yticks([], [])
def do(syst, ax):
# data
single_run_matrices = []
for _ in trange(reps):
sol = solve_system(syst)
sol_extract = sol.T[int(len(sol.T)*3/4):]
single_run_mat = compute_correlation_matrix(np.array([sol_extract]))
if single_run_mat.shape == (4, 4):
single_run_mat = single_run_mat[:-1,:-1]
assert single_run_mat.shape == (3, 3)
single_run_matrices.append(single_run_mat)
single_run_matrices = np.asarray(single_run_matrices)
# plotting
cols = cycle(['b', 'r', 'g', 'c', 'm', 'y', 'k'])
for i, row in enumerate(single_run_matrices.T):
for j, series in enumerate(row):
if i == j: break
plot_histogram(
series[series!=1], ax,
label=r'$c_{{{},{}}}$'.format(i,j),
facecolor=next(cols), alpha=0.5,
bins=100)
def get_matrices(syst, entry_num=100):
""" Get correlation matrices for both cases
"""
# multiple entries from single run
single_run_matrices = []
for _ in range(entry_num):
sol = solve_system(syst)
extract = sol.T[-entry_num:]
single_run_mat = compute_correlation_matrix(np.array([extract]))
single_run_matrices.append(single_run_mat)
avg_single_mat = np.mean(single_run_matrices, axis=0)
# one entry from multiple runs
multiple_runs = []
for _ in range(entry_num):
sol = solve_system(syst)
extract = sol.T[-1].T
multiple_runs.append(extract)
multiple_mat = compute_correlation_matrix(np.array([multiple_runs]))
return avg_single_mat, multiple_mat
def get_matrices(syst, entry_num=100):
""" Get correlation matrices for both cases
"""
# multiple entries from single run
single_run_matrices = []
for _ in range(entry_num):
sol = solve_system(syst)
extract = sol.T[-entry_num:]
single_run_mat = compute_correlation_matrix(np.array([extract]))
single_run_matrices.append(single_run_mat)
avg_single_mat = np.mean(single_run_matrices, axis=0)
# one entry from multiple runs
multiple_runs = []
for _ in range(entry_num):
sol = solve_system(syst)
extract = sol.T[-1].T
multiple_runs.append(extract)
multiple_mat = compute_correlation_matrix(np.array([multiple_runs]))
return avg_single_mat, multiple_mat
def analyze_system(system,
repetition_num=100,
tmax=100,
filter_trivial_ss=True,
filter_mask=None,
plot_hist=False,
save_stdev=None,
use_ode_sde_diff=True):
""" Generate steady states for given system.
`filter_mask` is a list of nodes to be excluded from filtering.
A filtered entry must have a None correlation matrix
"""
if use_ode_sde_diff:
ode_system = copy.copy(system)
ode_system.fluctuation_vector = np.zeros(
system.fluctuation_vector.shape)
ss_data = []
for _ in range(repetition_num):
sde_sol = solve_system(system, tmax=tmax)
if use_ode_sde_diff:
ode_sol = solve_system(ode_system, tmax=tmax)
if use_ode_sde_diff:
sol = ode_sol - sde_sol
else:
sol = sde_sol
sol_extract = sol.T[int(len(sol.T) * 3 / 4):]
if use_ode_sde_diff:
ode_sol_extract = ode_sol.T[int(len(ode_sol.T) * 3 / 4):]
else:
ode_sol_extract = sol_extract
if not filter_trivial_ss or not filter_steady_state(
ode_sol_extract, filter_mask):
ss_data.append(sol_extract)
else:
return system, None, sol
corr_mat = compute_correlation_matrix(np.array(ss_data), plot_hist,
save_stdev)
return system, corr_mat, sol
def do(gs, res):
param_range = np.linspace(.1, 5, res)
currow = 0
for k_m in tqdm(param_range):
for k_23 in tqdm(param_range):
syst = generate_basic_system(k_m=k_m, k_23=k_23)
single_run_matrices = []
for r in trange(reps):
_,mat,sol = analyze_system(syst, repetition_num=1)
if mat is None:
continue
sol_extract = sol.T[int(len(sol.T)*3/4):]
if r == 0:
plot_system_evolution(
sol_extract.T,
plt.subplot(gs[currow,2]), show_legend=False)
single_run_mat = compute_correlation_matrix(np.array([sol_extract]))
if single_run_mat.shape == (4, 4):
single_run_mat = single_run_mat[:-1,:-1]
assert single_run_mat.shape == (3, 3)
single_run_matrices.append(single_run_mat)
plot_system(syst, plt.subplot(gs[currow,0]))
single_run_matrices = np.asarray(single_run_matrices)
for i, row in enumerate(single_run_matrices.T):
for j, series in enumerate(row):
if i == j: break
ax = plt.subplot(gs[currow,1])
sns.distplot(series, ax=ax, label=r'$c_{{{},{}}}$'.format(i,j))
ax.set_xlim((-1,1))
currow += 1
def analyze_system(
system, repetition_num=100,
filter_trivial_ss=True, filter_mask=None,
plot_hist=False, save_stdev=None,
use_ode_sde_diff=True
):
""" Generate steady states for given system.
`filter_mask` is a list of nodes to be excluded from filtering.
A filtered entry must have a None correlation matrix
"""
if use_ode_sde_diff:
ode_system = copy.copy(system)
ode_system.fluctuation_vector = np.zeros(system.fluctuation_vector.shape)
ss_data = []
for _ in range(repetition_num):
sde_sol = solve_system(system, tmax=100)
if use_ode_sde_diff:
ode_sol = solve_system(ode_system, tmax=100)
if use_ode_sde_diff:
sol = ode_sol - sde_sol
else:
sol = sde_sol
sol_extract = sol.T[int(len(sol.T)*3/4):]
if use_ode_sde_diff:
ode_sol_extract = ode_sol.T[int(len(ode_sol.T)*3/4):]
else:
ode_sol_extract = sol_extract
if not filter_trivial_ss or not filter_steady_state(ode_sol_extract, filter_mask):
ss_data.append(sol_extract)
else:
return system, None, sol
corr_mat = compute_correlation_matrix(np.array(ss_data), plot_hist, save_stdev)
return system, corr_mat, sol
