Problem 189. Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
Solution Stats
Problem Comments
-
22 Comments
Show
19 older comments
Abdullah Al Baki
on 27 Apr 2022
The question is soo easy that you won't be able to catch the trick soo easily.
DJ Campbell
on 12 May 2023
Nice and easy beginners question using the sum function. Thanks Dimitris!
AMIT SURYAVANSHI
on 21 Jan 2024
The question was easy and yes today only I completed the group Introduction to MATLAB few problems were very easy and few were tough ..... Happy to complete all the questions from this group
Solution Comments
Show commentsGroup

Matrix Manipulation I
- 16 Problems
- 98 Finishers
- Remove the air bubbles
- Remove NaN ?
- N-Dimensional Array Slice
- Back to basics 21 - Matrix replicating
- Back to basics 23 - Triangular matrix
- Make an awesome ramp for a tiny motorcycle stuntman
- Flip the main diagonal of a matrix
- surrounded matrix
- Some Assembly Required
- Set some matrix elements to zero
- Matrix with different incremental runs
- Removing rows from a matrix is easy - but what about inserting rows?
- Rotate input square matrix 90 degrees CCW without rot90
- Permute diagonal and antidiagonal
- Operate on matrices of unequal, yet similar, size
- Reverse the elements of an array
Problem Recent Solvers15878
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!