Syntax error How to fill color above the curve in Matplotlib Program?

How to fill color above the curve in Matplotlib Program?

To fill color above the curve, we can take the following steps −

Steps

  • Initialize the variable n. Initialize x and y data points using numpy.

  • Create a figure and a set of subplots, fig and ax.

  • Plot the curve using plot() method.

  • Using fill_between() method, fill the area between two curves, with 1 value.

  • To display the figure, use show() method.

Example

import numpy as np
import matplotlib.pyplot as plt
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
n = 256
X = np.linspace(-np.pi, np.pi, n, endpoint=True)
Y = np.sin(2 * X)
fig, ax = plt.subplots()
ax.plot(X, Y, color='blue', alpha=1.00)
ax.fill_between(X, Y, 1, color='blue', alpha=.1)
plt.show()

Output

Updated on: 2021-05-07T08:00:35+05:30

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