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3b12323
1
Parent(s):
b184ae9
Create app.py
Browse files
app.py
ADDED
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from flask import Flask, render_template, request, jsonify
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import numpy as np
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import matplotlib.pyplot as plt
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app = Flask(__name__)
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def calcular_vpn(n, r, cash_flow):
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descuento = 1 / ((1 + r) ** np.arange(1, n + 1))
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vpn = np.sum(cash_flow * descuento)
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return vpn
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@app.route('/')
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def index():
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return render_template('index.html')
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@app.route('/calcular', methods=['POST'])
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def calcular():
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data = request.get_json()
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n = int(data['n'])
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r = float(data['r'])
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cash_flow = np.array(data['cash_flow'])
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vpn = calcular_vpn(n, r, cash_flow)
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plt.figure(figsize=(10, 6))
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plt.plot(np.arange(1, n + 1), cash_flow, marker='o')
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plt.xlabel('Años')
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plt.ylabel('Cash Flow')
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plt.title('Flujo de Efectivo')
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plt.grid(True)
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# Guardar el gráfico como imagen
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img_path = 'static/plot.png'
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plt.savefig(img_path)
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return jsonify({'vpn': vpn, 'plot_path': img_path})
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if __name__ == '__main__':
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app.run(debug=True)
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