Problems

1 – 50 of 1,218

Problem Title Likes Solvers Difficulty

Problem 45364. Sum of series

Created by: Asif Newaz

Tags basic, easy, series

697

Problem 3057. Chess performance

Created by: Jean-Marie Sainthillier

Tags chess, elo, rating

Problem 2133. Reverse Calculator

Created by: Vivek

Tags reverse order number

175

Problem 45494. SatCom #3: Free Space Path Loss

Created by: Mark Posen

Tags space, satellite, telecommunications

Problem 566. Sum of first n terms of a harmonic progression

Created by: Srivardhini

Tags sequences, series, poor_test_suite

384

Problem 50048. Number Puzzles - 016

Created by: Doddy Kastanya

Tags sudoku, puzzles

Problem 411. Back to basics 21 - Matrix replicating

Created by: Alan Chalker

Tags matrices, basics

1437

Problem 43193. Where is 1?

Created by: Jang geun Choi

Tags matlab, find, matrix

Problem 132. given 3 sides, find area of this triangle

Created by: AMITAVA BISWAS

Tags geometry, siam, poor_test_suite

785

Problem 943. "mirror" matrix

Created by: Grzegorz Knor

Tags matrix manipulation, matrix

547

Problem 768. Are all the three given point in the same line?

Created by: Reza Ahmadzadeh

Tags geometry, algebra

380

Problem 381. Angle between two vectors

Created by: Aurelien Queffurust

Tags vectors, geometry, angle

591

Problem 1469. Net Present Value of a Stream of Cash Flows

Created by: Mehmet OZC

Tags finance, present value

Tags puzzles

Problem 640. Getting logical indexes

Created by: Doug Hull

Tags indexing, logical indexing, ml101

1054

Problem 722. Make a run-length companion vector

Created by: Ned Gulley

Tags vector, asee, best

621

Problem 133. Volume of this donut

Created by: AMITAVA BISWAS

Tags geometry

182

Problem 45190. remove numbers from a string

Created by: Asif Newaz

Tags easy, string

Problem 45413. Characterize fluid flow in a pipe as to laminar or turbulent

Created by: Karl Ezra Pilario

Tags if, chemical engineering, reynolds

116

Problem 3073. Projector Matrix

Created by: goc3

Tags matrix, projector, idempotent

101

Problem 44370. Octoberfest festival

Created by: Andriy Kavetsky

Tags fibonacci, cody5

467

Problem 8073. Matrix Construction I

Created by: Abdullah Caliskan

Tags matrix, basic matlab

201

Problem 2185. Speed of light:Experiment

Created by: Zikobrelli

Tags fizeau light

Problem 1048. Detect a number and replace with two NaN's

Created by: Praveen Suvarna

Tags tricky

188

Problem 263. Nonuniform quantizer as a piecewise constant function

Created by: Steve Eddins

Tags quantizer

Problem 3027. Legend of Zelda - Rupee Count (Item Purchase)

Created by: goc3

Tags money, string, count

Problem 44431. continuous compounding

Created by: jean claude

Tags finance

Problem 45498. Trace the path of a harmful chemical in an ecological network

Created by: Karl Ezra Pilario

Tags cycle, permutation, chemical engineering

Problem 43494. Weighted Convolution

Created by: Peng Liu

Tags weighted, convolution, better way to do this?

Problem 46573. Determine the winner of a goofy golf tournament

Created by: ChrisR

Tags sorting, just wanted to tell this story

Problem 42749. Find the nearest prime

Created by: Pooja Narayan

Tags math, primes

Problem 1812. Tridiagonal

Created by: Disha

Tags matrices

136

Problem 1158. Sum the elements in either diagonal of a square matrix

Created by: Tom Holz

Tags matrix, basic matlab, diagonal

207

Problem 2359. Integer Sequence - 1

Created by: rifat

Tags logic, puzzle, interger sequence

Problem 1277. How many days does the cat take to climb out of the hole?

Created by: Bruce Raine

Tags scalar division

Problem 42757. Convert integer to base26 using letters

Created by: Alberto Comin

Tags numbers

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

6610

Problem 50887. Draw a '8' in a zero matrix!

Created by: Szász Botond

Tags x

438

Problem 42801. means

Created by: Thomas Bischoff

Tags matlab 101

Problem 43026. Determinant of a 3x3 Matrix

Created by: Jamil Kasan

Tags matrix, determinant

112

Problem 2270. Bit calculation

Created by: Debopam

Tags binary, count, number

187

Problem 1879. Converting numbers back from extended form

Created by: James

Tags place value, extended form, third grade math

111

Problem 1043. Generate a string like abbcccddddeeeee

Created by: Aurelien Queffurust

Tags string manipulation

257

Problem 2139. most frequent character

Created by: Koteswar Rao Jerripothula

Tags strings

129

Problem 1753. Calculate FFT

Created by: Frequency Domain

Tags fft

Problem 176. Nearest

Created by: @bmtran (Bryant Tran)

Tags near

164

1 – 50 of 1,218

Difficulty Rating

Problem Groups

Problems