"""
Solving Laplace's equation in 2d
================================
This example shows how to solve a 2d Laplace equation with spatially varying
boundary conditions.
"""
import numpy as np
from pde import CartesianGrid, solve_laplace_equation
grid = CartesianGrid([[0, 2 * np.pi]] * 2, 64)
bcs = [{"value": "sin(y)"}, {"value": "sin(x)"}]
res = solve_laplace_equation(grid, bcs)
res.plot()