import matplotlib.gridspec as gridspec
import matplotlib.pyplot as pl
import numpy as np
pl.figure(figsize=(6, 4))
G = gridspec.GridSpec(3, 3)
X = np.linspace(0, 2 * np.pi, 50, endpoint=True)
F1 = 2.8 * np.cos(X)
F2 = 5 * np.sin(X)
F3 = 0.3 * np.sin(X)
axes_1 = pl.subplot(G[0, :])
axes_1.plot(X, F1, 'r-', X, F2)