"""
Solving Poisson's equation in 1d
================================
This example shows how to solve a 1d Poisson equation with boundary conditions.
"""
from pde import CartesianGrid, ScalarField, solve_poisson_equation
grid = CartesianGrid([[0, 1]], 32, periodic=False)
field = ScalarField(grid, 1)
result = solve_poisson_equation(field, bc=[{"value": 0}, {"derivative": 1}])
result.plot()