Create 40_simpleline.py

pages/40_simpleline.py

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+import streamlit as st
+import matplotlib.pyplot as plt
+import numpy as np
+
+# Initialize sliders
+x = st.slider('X position', min_value=0.0, max_value=10.0, value=5.0, step=0.1)
+w = st.slider('W (slope)', min_value=-10.0, max_value=10.0, value=1.0, step=0.1)
+b = st.slider('B (intercept)', min_value=-10.0, max_value=10.0, value=0.0, step=0.1)
+
+# Calculate y based on the equation y = w * x + b
+y = w * x + b
+
+# Create the plot
+fig, ax = plt.subplots()
+ax.axhline(y=2, color='gray', linestyle='--')  # First horizontal line
+ax.axhline(y=-2, color='gray', linestyle='--')  # Second horizontal line
+ax.plot(x, y, 'ro')  # Plot the point
+
+# Set plot limits and labels
+ax.set_xlim(0, 10)
+ax.set_ylim(-10, 10)
+ax.set_xlabel('X-axis')
+ax.set_ylabel('Y-axis')
+ax.set_title(f'y = {w} * x + {b}')
+ax.grid(True)
+
+# Display the plot in Streamlit
+st.pyplot(fig)