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3D Sine Wave Using Matplotlib - Python

Last Updated :23 Jul, 2025

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Prerequisites:Mathplotlib,NumPy

In the Cartesian coordinate system, the trigonometric sine function sin(x) sin (x) generates a regular undulating curve, which passes through the origin. Its values range between −1 − 1 and 1 1 for all real values of x x.
In this article, we will plot a sin wave graph using scatter in 3-Dimension. A simple way to plot sine wave in python using matplotlib.

Approach:

Import required libraries.
Create an array of points.
Plotting 3D-graph.
Create a sin wave.
Show Graph.

Example 1:In this example, we are plotting a 3-d graph of the sine wave signal using the scatter method.

Python3

importnumpyasnpimportmatplotlib.pyplotaspltfrommpl_toolkits.mplot3dimportAxes3D# Creating array points using numpyx=np.arange(0,20,0.1)y=np.sin(x)z=y*np.sin(x)c=x+y#Change the Size of Graph using Figsizefig=plt.figure(figsize=(10,10))#Generating a 3D sine waveax=plt.axes(projection='3d')# To create a scatter graphax.scatter(x,y,z,c=c)# show the graphplt.show()

Output:

Example 2:In this example, we are plotting a simple 3-D line graph of the sine wave signal.

Python3

frommpl_toolkitsimportmplot3dimportnumpyasnpimportmatplotlib.pyplotaspltfig=plt.figure(figsize=(8,8))ax=plt.axes(projection='3d')# Creating array points using numpyz=np.linspace(0,15,1000)x=np.sin(zline)y=np.cos(zline)ax.plot3D(x,y,z,'gray')plt.show()

Output:

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