I didn't understand how the output was generated

Question

1.00/5 (1 vote)

See more:

code:

import numpy as np
x=np.array([[1,2,3,5,6],[7,8,9,0,1],[3,7,0,7,6]])
print(x)
print(x[1:4,2:])

Output:

[[1 2 3 5 6]
[7 8 9 0 1]
[3 7 0 7 6]]

[[9 0 1]
[0 7 6]]

What I have tried:

I was just trying slicing can somebody explain the mechanism of this code

Posted 3-Jul-24 6:00am

Comder

Add a Solution

1 solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password StrengthToo short

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

Submit your solution

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Richard MacCutchan · Accepted Answer · 2024-07-03T06:14:00

Solution 1

The second print statement

Python

print(x[1:4,2:])

instructs the system to print the array entries with index 1,2 and 3, selecting elements 2, 3, 4 ... etc. So if you examine the array x[1] is [7,8,9,0,1] and entries 2 to the end are 9,0 and 1. You can see the same for x[2].

Posted 3-Jul-24 6:14am

Richard MacCutchan