Problems

1 – 50 of 167

Problem Title Likes Solvers Difficulty

Tags knots, eig

Problem 49652. Find the spot diameter from the intensity distribution matrix of single spot (circle)

Created by: Sibi

Tags physics, gaussian, distribution

Problem 47473. Slitherlink IV: Recursive (medium size)

Created by: Richard Zapor

Tags recursion, games, puzzle

Problem 45211. AES SubBytes() Transformation

Created by: David Hill

Tags cryptography, advanced encryption standard

Problem 45212. AES MixColumns() Transformation

Created by: David Hill

Tags cryptography, advanced encryption standard

Problem 45213. AES-256 KeyExpansion()

Created by: David Hill

Tags cryptography, advanced encryption standard

Problem 45270. Game of life - 02

Created by: Asif Newaz

Tags games, board game

Problem 939. DNA Pattern Match: Performance Metric - Speed

Created by: Richard Zapor

Tags logical indexing, reshape, dna

Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash

Created by: Richard Zapor

Tags speed, unique, memory management

Problem 961. Robust alignment of coordinate system

Created by: J-G van der Toorn

Tags geometry, vector, 3d

Problem 986. Penny Flipping: Reverse subsets of a sequence of coins until you recover the original configuration

Created by: Everett Rubel

Tags permutations, reverse, flip

Problem 988. Convert a substructure reference string into a valid definition structure for subsref and subsasgn

Created by: J-G van der Toorn

Tags subsref, subsasgn

Problem 527. Augmented Lagrange Multiplier (ALM) Method

Created by: Robert Canfield

Tags aoe4084, constrained minimization

Problem 53975. Compute the effective conductivity of more heterogeneous aquifers

Created by: ChrisR

Tags groundwater, conductivity, elliptic pde

Problem 54360. k partitions of an array of numbers having nearly equal sum

Created by: Pramit Biswas

Tags partition

Problem 44435. Testing for randomness: uniform distribution of real numbers (distribution checking)

Created by: David Verrelli

Tags random, randomness, udf

Problem 45422. Coin Distribution - 02

Created by: Asif Newaz

Tags algorithm

Problem 45480. Find the Fourier coefficients of a periodic function

Created by: Demet Tatar

Tags fourier series, signals and systems

Problem 43478. Calculate the dynamic time warping similarity

Created by: Steven Van Vaerenbergh

Tags dynamic time warping

Problem 43676. Count the Digits in the Box

Created by: Ned Gulley

Tags self-referential, meta

Problem 44655. Computational power of Cody servers

Created by: David Verrelli

Tags curve fitting, meta-problem, regression

Problem 43613. how to concatenate matrices

Created by: Marc Jakobi

Tags concatenation

Problem 44541. Arrange the names in alphabetical order (2)

Created by: David Verrelli

Tags sorting, text, deutsch

Problem 44545. "Percentages may not total 100 due to rounding"

Created by: David Verrelli

Tags precision, rounding error, rounding

Problem 44658. Kurosu solver

Created by: HH

Tags games, kurosu

Problem 43648. Arc length of points interpolation

Created by: Kwin

Tags interpolation, computational geometry, curve

Problem 45303. Combinatorics - 01

Created by: Asif Newaz

Tags combinatorics, logic

Problem 43025. Check if a directory is on the current MATLAB search path

Created by: Matthew Eicholtz

Tags strings, string manipulation, path

Problem 45315. Find the point of intersection of tangents.

Created by: Paul Johnson

Tags vectors, matrices, geometry

Problem 45321. Kolakoski Sequence

Created by: Asif Newaz

Tags sequence, kolakoski

Problem 44389. Just take it easy for a second or two!

Created by: David Verrelli

Tags time, timing

Problem 44393. Testing for randomness: uniform distribution of integers

Created by: David Verrelli

Tags random, randomness, udf

Problem 44741. You are constantly moving at a speed v faster than your twin brother. How long does it take before you become 1s younger than him according to the theory of relativity?

Created by: Mikael Andblom

Tags math, physics, relativity

Problem 44753. Lights Out 3 - 5x5, 6 moves

Created by: goc3

Tags game, logic, flip

Problem 44101. Adaptive ZigZag

Created by: Said BOUREZG

Tags matrix, zigzag

Problem 44756. Lights Out 5 - 5x5, 10 moves

Created by: goc3

Tags search, game, logic

Problem 44757. Lights Out 6 - 5x5, 13 moves

Created by: goc3

Tags game, logic, flip

Problem 44764. Lights Out 10 - 5x5, with wrapping, 6 moves

Created by: goc3

Tags game, logic, flip

Problem 44784. Project Euler: Problem 14 Longest Collatz sequence(harder version)

Created by: Binbin Qi

Tags speed optimization, sequence, euler

Problem 44226. Logistic map

Created by: Daniel Meier

Tags polynomial, logistic map, chaos

Problem 44249. Pipeline - Variable-length Input

Created by: LY Cao

Tags overloading, pipeline

Problem 44832. Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)

Created by: Royi Avital

Tags image processing, convolution, vectorization

Problem 44843. Nth Order Polynomial Regression

Created by: Jared Oliphant

Tags regression

Problem 633. Create Circular Perfect Square Sequence

Created by: Richard Zapor

Tags recursion

Problem 653. Steal, Share, or Catch: Tournament of Champions

Created by: Doug Hull

Tags ml101, gametheory

Problem 663. Crypto Addition - v01

Created by: Richard Zapor

Tags recursion crypto vector string math

Problem 677. Vine Contest 1-D Case Optimization: Board 78

Created by: Richard Zapor

Tags rand, optimization, vines

Problem 685. Image Processing 2.1.1 Planck Integral

Created by: Richard Zapor

Tags image processing, integration, calculus

1 – 50 of 167

Software de prueba

Difficulty Rating

Problem Groups

Problems