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Demo_DangLan.py
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import time
import numpy as np
from VISolver.Domains.Sphere import Sphere
from VISolver.Domains.Watson import Watson
from VISolver.Domains.KojimaShindo import KojimaShindo
from VISolver.Domains.Sun import Sun
from VISolver.Solvers.HeunEuler import HeunEuler
from VISolver.Projection import EntropicProjection, IdentityProjection
from VISolver.Solver import Solve
from VISolver.Options import (
DescentOptions, Miscellaneous, Reporting, Termination, Initialization)
from VISolver.Log import PrintSimResults, PrintSimStats
def Demo():
#__SPHERE__##################################################
# Define Dimension and Domain
Domain = Sphere(Dim=100)
# Set Method
Method = HeunEuler(Domain=Domain,P=IdentityProjection(),Delta0=1e-2)
# Set Options
Init = Initialization(Step=-1e-1)
Term = Termination(MaxIter=1000,Tols=[[Domain.f_Error,1e-3]])
Repo = Reporting(Requests=[Domain.f_Error])
Misc = Miscellaneous()
Options = DescentOptions(Init,Term,Repo,Misc)
# Initialize Starting Point
Start = 100*np.ones(Domain.Dim)
# Print Stats
PrintSimStats(Domain,Method,Options)
# Start Solver
tic = time.time()
SPHERE_Results = Solve(Start,Method,Domain,Options)
toc = time.time() - tic
# Print Results
PrintSimResults(Options,SPHERE_Results,Method,toc)
#__KOJIMA-SHINDO__##################################################
# Define Dimension and Domain
Domain = KojimaShindo()
# Set Method
Method = HeunEuler(Domain=Domain,P=EntropicProjection(),Delta0=1e-1)
# Set Options
Init = Initialization(Step=-1e-3)
Term = Termination(MaxIter=1000,Tols=[[Domain.gap_simplex,1e-3]])
Repo = Reporting(Requests=[Domain.gap_simplex])
Misc = Miscellaneous()
Options = DescentOptions(Init,Term,Repo,Misc)
# Initialize Starting Point
Start = np.ones(Domain.Dim)/np.double(Domain.Dim)
# Print Stats
PrintSimStats(Domain,Method,Options)
# Start Solver
tic = time.time()
KS_Results = Solve(Start,Method,Domain,Options)
toc = time.time() - tic
# Print Results
PrintSimResults(Options,KS_Results,Method,toc)
#__WATSON__##################################################
trials = range(10)
WAT_Results = [[] for i in trials]
for p in trials:
#Define Dimension and Domain
Domain = Watson(Pos=p)
# Set Method
Method = HeunEuler(Domain=Domain,P=EntropicProjection(),Delta0=1e-1)
# Set Options
Init = Initialization(Step=-1e-1)
Term = Termination(MaxIter=1000,Tols=[[Domain.gap_simplex,1e-3]])
Repo = Reporting(Requests=[Domain.gap_simplex])
Misc = Miscellaneous()
Options = DescentOptions(Init,Term,Repo,Misc)
#Initialize Starting Point
Start = np.ones(Domain.Dim)/np.double(Domain.Dim)
# Print Stats
PrintSimStats(Domain,Method,Options)
tic = time.time()
WAT_Results[p] = Solve(Start,Method,Domain,Options)
toc = time.time() - tic
# Print Results
PrintSimResults(Options,WAT_Results[p],Method,toc)
#__SUN__##################################################
trials = range(8000,10000+1,2000)
Sun_Results = [[] for i in trials]
for n in trials:
#Define Dimension and Domain
Domain = Sun(Dim=n)
# Set Method
Method = HeunEuler(Domain=Domain,P=EntropicProjection(),Delta0=1e-1)
# Set Options
Init = Initialization(Step=-1e-1)
Term = Termination(MaxIter=1000,Tols=[[Domain.gap_simplex,1e-3]])
Repo = Reporting(Requests=[Domain.gap_simplex])
Misc = Miscellaneous()
Options = DescentOptions(Init,Term,Repo,Misc)
#Initialize Starting Point
Start = np.ones(Domain.Dim)/np.double(Domain.Dim)
# Print Stats
PrintSimStats(Domain,Method,Options)
tic = time.time()
ind = int(n/2000)-4
Sun_Results[ind] = Solve(Start,Method,Domain,Options)
toc = time.time() - tic
# Print Results
PrintSimResults(Options,Sun_Results[ind],Method,toc)
if __name__ == '__main__':
Demo()