3D wireframe plots in Matplotlib - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the 3D plotting toolkit from matplotlib.

Matplotlib

from mpl_toolkits.mplot3d import [1]

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Awireframe3d

Bplot3d

CAxes3D

Dplot_wireframe

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to import a function instead of the class.

Using a non-existent module name.

The Axes3D class is needed to create 3D plots in matplotlib.

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medium

Complete the code to create a 3D subplot in matplotlib.

Matplotlib

fig = plt.figure()
ax = fig.add_subplot(111, projection='[1]')

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A3d

B2d

C3D

Dwireframe

Attempts:

3 left

💡 Hint

Common Mistakes

Using uppercase '3D' instead of lowercase '3d'.

Using '2d' projection which creates a 2D plot.

The projection must be set to '3d' (all lowercase) to create a 3D plot.

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hard

Fix the error in the code to plot a 3D wireframe using X, Y, Z data.

Matplotlib

ax.[1](X, Y, Z)

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Aplot_wireframe

Bwireframe_plot

Cplot3d_wireframe

Dwireframe3d

Attempts:

3 left

💡 Hint

Common Mistakes

Using a non-existent method name.

Mixing method names from other plotting libraries.

The correct method to create a 3D wireframe plot is plot_wireframe.

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hard

Fill both blanks to create meshgrid arrays for X and Y from 1D arrays x and y.

Matplotlib

X, Y = np.[1](x, y, [2]='xy')

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Ameshgrid

Blinspace

Cindexing

Darange

Attempts:

3 left

💡 Hint

Common Mistakes

Using linspace or arange instead of meshgrid.

Confusing parameter names.

np.meshgrid creates coordinate matrices from coordinate vectors. The indexing parameter controls the indexing style.

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hard

Fill all three blanks to create a dictionary comprehension that maps each word to its length if length is greater than 3.

Matplotlib

result = { [1]: [2] for [3] in words if len([3]) > 3 }

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Aword

Blen(word)

Ditem

Attempts:

3 left

💡 Hint

Common Mistakes

Using different variable names inconsistently.

Using the word itself as the value instead of its length.

The dictionary comprehension uses word as the key and len(word) as the value, iterating over word in words.