Create app.py

app.py

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+import streamlit as st
+import numpy as np
+import matplotlib.pyplot as plt
+
+st.title('Решение системы линейных уравнений')
+
+st.write('Введите уравнения в формате ax + by = c')
+
+equation1 = st.text_input('Уравнение 1:', '2x + y = 4')
+equation2 = st.text_input('Уравнение 2:', 'x - y = 1')
+
+def parse_equation(equation):
+    parts = equation.split('=')
+    coef = parts[0].split('x')
+    a = float(coef[0]) if coef[0] else 1
+    b = float(coef[1].replace('y', '').replace('+', '').replace('-', '').strip()) if 'y' in coef[1] else 0
+    c = float(parts[1])
+    return a, b, c
+
+a1, b1, c1 = parse_equation(equation1)
+a2, b2, c2 = parse_equation(equation2)
+
+intersection = np.linalg.solve([[a1, b1], [a2, b2]], [c1, c2])
+
+st.write(f'Координаты точки пересечения прямых: ({intersection[0]}, {intersection[1]})')
+
+x = np.linspace(-10, 10, 400)
+y1 = (c1 - a1*x) / b1
+y2 = (c2 - a2*x) / b2
+
+plt.figure()
+plt.plot(x, y1, label='Equation 1')
+plt.plot(x, y2, label='Equation 2')
+plt.scatter(intersection[0], intersection[1], color='red', label='Intersection')
+plt.xlabel('x')
+plt.ylabel('y')
+plt.legend()
+st.pyplot()