Cody

# George Papazafeiropoulos

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1 – 50 of 63

#### Problem 43689. Make an identity matrix whose diagonal elements are 1:n

Created by: Iik Jae Park

Tags test, basics

#### Problem 21. Return the 3n+1 sequence for n

Created by: Cody Team

Tags 3n+1, sample

#### Problem 109. Check if sorted

Created by: AMITAVA BISWAS

#### Problem 43656. Tent matrix

Created by: JAEHYUK WOO

Tags matrix, diamond

#### Problem 43651. create a square matrix

Created by: JAEHYUK WOO

Tags matrix

#### Problem 43560. Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Created by: Marco Tullio

Tags triangle

#### Problem 43564. Calculate sin(x) without sin(x)

Created by: Marco Tullio

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

#### Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

#### Problem 43288. N-plicate me

Created by: Jamil Kasan

#### Problem 43301. Calculate inverse matrix in m by n matrix

Created by: Jang geun Choi

#### Problem 43305. Sum positive elements of matrix.

Created by: Andriy Kavetsky

#### Problem 43314. Change matrix to vector

Created by: Jang geun Choi

Tags easy, matlab, matrix

#### Problem 43281. Two dimensional moving average

Created by: Jang geun Choi

Tags easy, matlab, simple

#### Problem 43272. Implement zero-based indexing for Matrices

Created by: Jamil Kasan

#### Problem 3. Find the sum of all the numbers of the input vector

Created by: Cody Team

Created by: CY Y

Created by: Bert

Created by: Bert

#### Problem 43123. Sum of cubes

Created by: Abhishek Jain

Tags numbers, sum, cube

#### Problem 43125. cross in array

Created by: Jakub Mrowka

#### Problem 43032. Geometrical meaning of determinant

Created by: Massimo Zanetti

#### Problem 43011. Convert a vector to a lower triangular matrix

Created by: auto2060

#### Problem 43012. Rotate array 90 degrees

Created by: Rani V.S

#### Problem 42990. Pad zero between every adjacent values of the vector.

Created by: Neha Singh

#### Problem 43007. Euclidean inter-point distance matrix

Created by: John D'Errico

#### Problem 42825. solid of revolution

Created by: Thomas Bischoff

Tags math

#### Problem 42826. Euler–Mascheroni constant

Created by: Thomas Bischoff

Tags math

#### Problem 42840. Coefficients and vertex of a parabola given 3 points

Created by: Roche de Guzman

#### Problem 42823. Babylonian method

Created by: Thomas Bischoff

Tags math

Created by: HH

Tags geometry

#### Problem 42776. "Power matrix" of two vectors

Created by: Gil Bor

#### Problem 42783. Accessing values in a cell

Created by: James

#### Problem 189. Sum all integers from 1 to 2^n

Created by: Dimitris Kaliakmanis

#### Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

#### Problem 12. Fibonacci sequence

Created by: Cody Team

#### Problem 19. Swap the first and last columns

Created by: Cody Team

#### Problem 42686. What's the missing interior angle?

Created by: Brian Butler

Tags geometry

#### Problem 42582. Output a vector which is table of 9

Created by: Azhar

Tags community

#### Problem 42481. Low level NaN

Created by: Mehmet OZC

Tags nan

#### Problem 42480. Go back n times

Created by: Mehmet OZC

#### Problem 2733. Evil Number

Created by: Jan Orwat

#### Problem 2817. Remove the positive integers.

Created by: Matthew Caron

#### Problem 2810. Determinant without using det()

Created by: Mattias

#### Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

#### Problem 26. Determine if input is odd

Created by: Cody Team

#### Problem 2772. Find out phase angle of second order system.

Created by: Pritesh Shah

1 – 50 of 63