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1. NumPyãšSciPy
NumPyã¯Pythonã«ãããç§åŠèšç®ã®åºæ¬çãªããã±ãŒãžã§ããå€§èŠæš¡ãªå€æ¬¡å é åãšè¡åã®ãµããŒããããã³ãããã®é åãæäœããããã®æ°åŠé¢æ°ã®ã©ã€ãã©ãªãæäŸããŸããSciPyã¯NumPyã«åºã¥ããŠæ§ç¯ãããæé©åãç©åãè£éãç·åœ¢ä»£æ°ãä¿¡å·åŠçãªã©ãç§åŠèšç®ã®ããã®è¿œå æ©èœãæäŸããŸãã
ãŠãŒã¹ã±ãŒã¹ïŒ
- 朮æµèšç®ïŒã°ãªãããæµããé»åã®æµããèšè¿°ããè€éãªæ¹çšåŒãè§£ããŸãã
- ç¶æ æšå®ïŒã»ã³ãµãŒæž¬å®ã«åºã¥ããŠã°ãªããã®ãªã¢ã«ã¿ã€ã ã®ç¶æ ãæšå®ããŸãã
- æé©åïŒã³ã¹ããæå°éã«æããããå¹çãæå€§åããããã«ã°ãªããæäœãæé©åããŸãã
äŸïŒ
åçŽåãããã°ãªãããããã¯ãŒã¯ã«ãããæœ®æµèšç®ã®ã·ãã¥ã¬ãŒã·ã§ã³ïŒ
import numpy as np
import scipy.linalg
# Define admittance matrix
Y = np.array([[1-2j, -0.5j, 0, -0.5j],
[-0.5j, 2-1j, -1-0.5j, 0],
[0, -1-0.5j, 3-1j, -1-0.5j],
[-0.5j, 0, -1-0.5j, 2-1j]])
# Define voltage source
V = np.array([1, 0, 0, 0])
# Calculate current injections
I = np.dot(Y, V)
print("Current injections:\n", I)
2. Pandas
Pandasã¯ãããŒã¿åæãšæäœã®ããã®åŒ·åãªã©ã€ãã©ãªã§ããDataFrameãSeriesã®ãããªããŒã¿æ§é ãæäŸããæ§é åããŒã¿ãç°¡åã«æ±ããããã«ããŸããPandasã¯ãã¹ããŒãã¡ãŒã¿ãŒãã»ã³ãµãŒããã®ä»ã®ã°ãªããã³ã³ããŒãã³ãããã®å€§èŠæš¡ãªããŒã¿ã»ããã®ã¯ãªãŒã³ã¢ããã倿ãåæã«ç¹ã«åœ¹ç«ã¡ãŸãã
ãŠãŒã¹ã±ãŒã¹ïŒ
- ã¹ããŒãã¡ãŒã¿ãŒããŒã¿åæïŒãšãã«ã®ãŒæ¶è²»ãã¿ãŒã³ãåæããŠç°åžžãçãšãã®æ©äŒãç¹å®ããŸãã
- è² è·äºæž¬ïŒå±¥æŽããŒã¿ã«åºã¥ããŠå°æ¥ã®ãšãã«ã®ãŒéèŠãäºæž¬ããŸãã
- é害æ€åºïŒã»ã³ãµãŒããŒã¿ã«åºã¥ããŠã°ãªããå ã®é害ãç¹å®ã蚺æããŸãã
äŸïŒ
ã¹ããŒãã¡ãŒã¿ãŒããŒã¿ãåæããŠããŒã¯æ¶è²»æéãç¹å®ããïŒ
import pandas as pd
# Load smart meter data from CSV file
data = pd.read_csv("smart_meter_data.csv")
# Convert timestamp column to datetime
data['timestamp'] = pd.to_datetime(data['timestamp'])
# Group data by hour and calculate average consumption
hourly_consumption = data.groupby(data['timestamp'].dt.hour)['consumption'].mean()
# Find peak consumption hour
peak_hour = hourly_consumption.idxmax()
print("Peak consumption hour:", peak_hour)
3. Scikit-learn
Scikit-learnã¯Pythonã«ãããæ©æ¢°åŠç¿ã®ããã®å æ¬çãªã©ã€ãã©ãªã§ããåé¡ãååž°ãã¯ã©ã¹ã¿ãªã³ã°ã次å åæžã®ããã®å¹ åºãã¢ã«ãŽãªãºã ãæäŸããŸããScikit-learnã¯ãè² è·äºæž¬ãé害æ€åºãã°ãªããæé©åã®ããã®äºæž¬ã¢ãã«ãæ§ç¯ããã®ã«ç¹ã«åœ¹ç«ã¡ãŸãã
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- é害æ€åºïŒæ©æ¢°åŠç¿æè¡ã䜿çšããŠã°ãªããå ã®é害ãç¹å®ã蚺æããŸãã
- åçå¯èœãšãã«ã®ãŒäºæž¬ïŒå€ªéœå çºé»æã颚åçºé»æã®åºåãäºæž¬ããŸãã
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Scikit-learnã䜿çšããŠè² è·äºæž¬ã¢ãã«ãæ§ç¯ããïŒ
from sklearn.model_selection import train_test_split
from sklearn.linear_model import LinearRegression
from sklearn.metrics import mean_squared_error
import pandas as pd
# Load historical load data
load_data = pd.read_csv("load_data.csv")
# Prepare data for machine learning
X = load_data[['temperature', 'humidity', 'time_of_day']]
y = load_data['load']
# Split data into training and testing sets
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)
# Train a linear regression model
model = LinearRegression()
model.fit(X_train, y_train)
# Make predictions on the test set
y_pred = model.predict(X_test)
# Evaluate the model
mse = mean_squared_error(y_test, y_pred)
print("Mean Squared Error:", mse)
4. Pyomo
Pyomoã¯PythonããŒã¹ã®ãªãŒãã³ãœãŒã¹æé©åã¢ããªã³ã°èšèªã§ããããŸããŸãªãœã«ããŒã䜿çšããŠè€éãªæé©ååé¡ãå®çŸ©ãã解決ããããšãã§ããŸããPyomoã¯ããŠãããã³ãããã¡ã³ããçµæžè² è·é åãæé©æœ®æµèšç®ãªã©ãã°ãªããæäœã®æé©åã«ç¹ã«åœ¹ç«ã¡ãŸãã
ãŠãŒã¹ã±ãŒã¹ïŒ
- ãŠãããã³ãããã¡ã³ãïŒéèŠãæºããããã«ã©ã®çºé»æã皌åã»åæ¢ãããããæäœã³ã¹ãã§æ±ºå®ããŸãã
- çµæžè² è·é åïŒéèŠãæºããããã®ã³ã¹ããæå°åããããã«ãå©çšå¯èœãªçºé»æã®éã§çºé»éãå²ãåœãŠãŸãã
- æé©æœ®æµèšç®ïŒæå€±ãæå°åããä¿¡é Œæ§ã確ä¿ããããã«ãã°ãªãããéãé»åã®æµããæé©åããŸãã
äŸïŒ
Pyomoã䜿çšããŠåçŽãªçµæžè² è·é ååé¡ãã¢ãã«åããïŒ
from pyomo.environ import *
# Create a concrete model
model = ConcreteModel()
# Define sets
model.Generators = Set(initialize=['Gen1', 'Gen2'])
# Define parameters
model.Cost = Param(model.Generators, initialize={'Gen1': 10, 'Gen2': 15})
model.Capacity = Param(model.Generators, initialize={'Gen1': 100, 'Gen2': 50})
model.Demand = Param(initialize=120)
# Define variables
model.Power = Var(model.Generators, within=NonNegativeReals)
# Define objective function
def cost_rule(model):
return sum(model.Cost[g] * model.Power[g] for g in model.Generators)
model.TotalCost = Objective(rule=cost_rule, sense=minimize)
# Define constraints
def demand_rule(model):
return sum(model.Power[g] for g in model.Generators) == model.Demand
model.DemandConstraint = Constraint(rule=demand_rule)
def capacity_rule(model, g):
return model.Power[g] <= model.Capacity[g]
model.CapacityConstraint = Constraint(model.Generators, rule=capacity_rule)
# Solve the model
opt = SolverFactory('glpk')
opt.solve(model)
# Print the results
for g in model.Generators:
print(f"{g}: {model.Power[g].value}")
5. NetworkX
NetworkXã¯ãè€éãªãããã¯ãŒã¯ã®æ§é ããã€ããã¯ã¹ãæ©èœãçæãæäœãç ç©¶ããããã®Pythonã©ã€ãã©ãªã§ããããŒããšãšããžã®ãããã¯ãŒã¯ãšããŠé»åç¶²ãã¢ãã«åããã³åæããã®ã«ç¹ã«åœ¹ç«ã¡ãŸããNetworkXã¯ãã°ãªããã®ã¬ãžãªãšã³ã¹ãç ç©¶ããéèŠãªã³ã³ããŒãã³ããç¹å®ãããããã¯ãŒã¯ããããžãŒãæé©åããããã«äœ¿çšã§ããŸãã
ãŠãŒã¹ã±ãŒã¹ïŒ
- ã°ãªããããããžãŒåæïŒé»åç¶²ã®æ§é ãšæ¥ç¶æ§ãåæããŸãã
- ã¬ãžãªãšã³ã¹è©äŸ¡ïŒé害ãåé»ã«èããã°ãªããã®èœåãè©äŸ¡ããŸãã
- éèŠã³ã³ããŒãã³ãã®ç¹å®ïŒã°ãªããå ã§æãéèŠãªã³ã³ããŒãã³ããç¹å®ããŸãã
äŸïŒ
NetworkXã䜿çšããŠã·ã³ãã«ãªã°ãªãããããã¯ãŒã¯ãäœæããïŒ
import networkx as nx
import matplotlib.pyplot as plt
# Create a graph
G = nx.Graph()
# Add nodes
G.add_nodes_from(['A', 'B', 'C', 'D', 'E'])
# Add edges
G.add_edges_from([('A', 'B'), ('B', 'C'), ('C', 'D'), ('D', 'E'), ('E', 'A')])
# Draw the graph
x.draw(G, with_labels=True)
plt.show()
6. MatplotlibãšSeaborn
Matplotlibã¯Pythonã§éçãã€ã³ã¿ã©ã¯ãã£ããã¢ãã¡ãŒã·ã§ã³ã®èŠèŠåãäœæããããã®åºæ¬çãªã©ã€ãã©ãªã§ããSeabornã¯Matplotlibãžã®é«ã¬ãã«ã€ã³ã¿ãŒãã§ãŒã¹ã§ãçµ±èšã°ã©ãã£ãã¯ã¹ããã䟿å©ã«ãããçŸããäœæããæ¹æ³ãæäŸããŸãããããã®ã©ã€ãã©ãªã¯äž¡æ¹ãšããã¹ããŒãã°ãªããã®ããŒã¿ãšçµæãèŠèŠåããäžã§éåžžã«è²Žéã§ãã
ãŠãŒã¹ã±ãŒã¹ïŒ
- ããŒã¿èŠèŠåïŒã¹ããŒãã¡ãŒã¿ãŒããŒã¿ãè² è·ãããã¡ã€ã«ãã°ãªããã®ç¶æ ãèŠèŠåããããã®ãã£ãŒããã°ã©ããäœæããŸãã
- çµæã®æç€ºïŒã·ãã¥ã¬ãŒã·ã§ã³ãåæã®çµæãæç¢ºãã€ç°¡æœã«æç€ºããŸãã
- ã€ã³ã¿ã©ã¯ãã£ãããã·ã¥ããŒãïŒã°ãªããã®ç£èŠãšå¶åŸ¡ã®ããã®ã€ã³ã¿ã©ã¯ãã£ãããã·ã¥ããŒããäœæããŸãã
äŸïŒ
Matplotlibã䜿çšããŠæéå¥ãšãã«ã®ãŒæ¶è²»éãèŠèŠåããïŒ
import matplotlib.pyplot as plt
import pandas as pd
# Load hourly energy consumption data
data = pd.read_csv("hourly_consumption.csv")
# Plot the data
plt.plot(data['hour'], data['consumption'])
plt.xlabel("Hour")
plt.ylabel("Consumption (kWh)")
plt.title("Hourly Energy Consumption")
plt.grid(True)
plt.show()
Pythonã®å®è·µïŒå®éã®ã¹ããŒãã°ãªããã¢ããªã±ãŒã·ã§ã³
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1. è² è·äºæž¬
æ£ç¢ºãªè² è·äºæž¬ã¯ãå¹ççãªã°ãªããéçšã«äžå¯æ¬ ã§ããScikit-learnãTensorFlowãªã©ã®Pythonã®æ©æ¢°åŠç¿ã©ã€ãã©ãªã¯ãå°æ¥ã®ãšãã«ã®ãŒéèŠãé«ç²ŸåºŠã§äºæž¬ã§ããæŽç·Žãããè² è·äºæž¬ã¢ãã«ã®æ§ç¯ã«å©çšãããŠããŸãããããã®ã¢ãã«ã¯ãæ°è±¡æ¡ä»¶ãæå»ãå±¥æŽæ¶è²»ãã¿ãŒã³ãªã©ã®èŠå ãèæ ®ã«å ¥ããŸããäŸãã°ããªãŒã¹ãã©ãªã¢ã§ã¯ãPythonããŒã¹ã®ã¢ãã«ãé»åéèŠã®äºæž¬ãšã°ãªããéçšã®æé©åã«äœ¿çšãããå€§å¹ ãªã³ã¹ãåæžã«ã€ãªãã£ãŠããŸãã
2. åçå¯èœãšãã«ã®ãŒçµ±å
倪éœå ã颚åçºé»ãªã©ã®åçå¯èœãšãã«ã®ãŒæºãã°ãªããã«çµ±åããããšã¯ããã®æç¶çãªæ§è³ªã®ãããé倧ãªèª²é¡ããããããŸããPythonã¯ãåçå¯èœãšãã«ã®ãŒçºé»æã®åºåãäºæž¬ããã°ãªãããžã®çµ±åãæé©åããã¢ã«ãŽãªãºã ã®éçºã«å©çšãããŠããŸããPandasãNumPyã®ãããªã©ã€ãã©ãªã¯ãå±¥æŽæ°è±¡ããŒã¿ãåæããå°æ¥ã®çºé»éãäºæž¬ããããã«äœ¿çšãããŸãããã€ãã§ã¯ããªã¢ã«ã¿ã€ã åæãšäºæž¬ãæäŸããããšã§ãPythonãåçå¯èœãšãã«ã®ãŒæºã®çµ±å管çã«å©çšãããŠããŸãã
3. ããã³ãã¬ã¹ãã³ã¹
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