# OO (Explicit) Style # Explicitly create Figures and Axes, and call methods on them # EXPLICIT: Uses fig, ax = plt.subplots() --> ax.plot() --> ax.set_xlabel('x')... # IMPLICIT: Uses plt.figure() --> plt.plot() --> plt.xlabel('x')... # i.e. IMPLICIT uses plt.___() to reference x = np.linspace(start=0, stop=2, num=100) # Note that even in the OO-style, we use `.pyplot.figure` to create the Figure. fig, ax = plt.subplots(figsize=(15, 8)) # ax is an Axes (plot) object ax.plot(x=x, y=x, label='linear') ax.plot(x=x, y=x**2, label='quadratic') ax.plot(x=x, y=x**3, label='cubic') # These methods set Axes.Axis objs (literal x- & y-axis lines) ax.set_xlabel('x label') ax.set_ylabel('y label') ax.set_title("Simple Plot") ax.legend(); #-------------------------------------------------------------# # "pyplot-style" (vs Explicit) # Implicitly create and manage the Figures and Axes, and use pyplot functions for plotting. # EXPLICIT: Uses fig, axe s= plt.subplots() --> ax.plot() --> ax.set_xlabel('x')... # IMPLICIT: Uses plt.figure() --> plt.plot() --> plt.xlabel('x')... x = np.linspace(0, 2, 100) plt.figure(figsize=(15, 8)) plt.plot(x, x, label='linear') # Creates axes plt.plot(x, x**2, label='quadratic') # Add new line to existing axes plt.plot(x, x**3, label='cubic') plt.xlabel('x label') plt.ylabel('y label') plt.title("Simple Plot") plt.legend();
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