Andrew Dobrovolc
Solve all the problems in Matrix Manipulation III
Awarded to Andrew Dobrovolc on 08 Feb 2018
Solve all the problems in Matrix Manipulation II
Awarded to Andrew Dobrovolc on 01 Feb 2018
Solve all the problems in Matrix Manipulation I
Awarded to Andrew Dobrovolc on 29 Jan 2018
Solve all the problems in Magic Numbers
Awarded to Andrew Dobrovolc on 29 Jan 2018
Matrix Patterns I Master
Awarded to Andrew Dobrovolc on 24 Jan 2018
Solve all the problems in Matrix Patterns II
Awarded to Andrew Dobrovolc on 22 Jan 2018
Solve a problem with a best solution
Awarded to Andrew Dobrovolc on 06 Sep 2017
Solve all the problems in ASEE Challenge
Awarded to Andrew Dobrovolc on 29 Aug 2017
Solve all the problems in Strings I
Awarded to Andrew Dobrovolc on 15 Aug 2017
Solve 500 problems
Awarded to Andrew Dobrovolc on 27 Jul 2017
Create a problem
Awarded to Andrew Dobrovolc on 21 Jul 2017
Be the first to solve a problem
Awarded to Andrew Dobrovolc on 19 Jul 2017
Content Feed
해결됨
Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'
3년 이상 전
해결됨
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
If x = 5, y = 4*5/2 = 10
3년 이상 전
해결됨
Figurate number triangle
Check whether the input matrix is a figurate number triangle: <http://mathworld.wolfram.com/FigurateNumberTriangle.html>
3년 이상 전
해결됨
Matrix rotation as per given angle
Given a user defined matrix and angle of rotation, rotate the elements of output matrix as clockwise or anti-clockwise. Angle wi...
3년 이상 전
해결됨
Calculate some equation
Using given inputs x and z, make two outputs that are y1 = (xz)/(x/z)^2 + 14x^2 - 0.8z^2 y2 = x^z - z^x + (x/z)^2 - (z/x...
3년 이상 전
해결됨
cross in array
Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...
3년 이상 전
해결됨
Sum all integers from 1 to 2^x
Given a number x, your function must return the summation of all integers from 1 to 2^x.
3년 이상 전
해결됨
Remove the middle element from a vector
Remove the middle element of a vector? *Example:* [1,2,3] should return 2 [1,2,3,4] should return 2 [] should return...
3년 이상 전
해결됨
Simulate one complete step in the Biham–Middleton–Levine traffic model
The <http://en.wikipedia.org/wiki/Biham%E2%80%93Middleton%E2%80%93Levine_traffic_model Biham–Middleton–Levine traffic model> is ...
3년 이상 전
해결됨
Find the Final State of an Abelian Sandpile
Let us define an <http://nautil.us/issue/23/dominoes/the-amazing-autotuning-sandpile Abelian sand pile> as a matrix that is only...
3년 이상 전
해결됨
Construct a "diagAdiag" matrix
Construct a matrix whose elements begin from 1 and end at n^2 with the order of arrangement as shown below: For: n = 4 ...
3년 이상 전
해결됨
Block average ignoring NaN values
Given a matrix, calculate the block average of each disjoint sub-matrix while ignoring *NaN* values. Assume that the size of the...
3년 이상 전
해결됨
Block average
Given a matrix, calculate the block average of each disjoint sub-matrix of the same size. Assume that the size of the matrix alo...
3년 이상 전
해결됨
Data Regularization
Provided is an m-by-n integer data matrix A whose elements are drawn arbitrarily from a set *S* = [1,2,3,...,S] for any large in...
3년 이상 전
해결됨
Cookie Cutters
Given a larger and smaller matrix, perform element-by-element multiplication on the smaller matrix and a sub-matrix of the large...
3년 이상 전
해결됨
Sort rows of a matrix
Sort rows of matrix A in an ascending order according to the last column Example input: A = [1 2 3;7 8 9;4 5 6]; Exam...
3년 이상 전
해결됨
Moving Product (Easy)
Given an input array A, write a function *movprod(A,k,dim)* to calculate the moving product over a sliding window of length *k* ...
3년 이상 전
해결됨
Replace secondary diagonal elements of a square array
Replace all the secondary diagonal elements of the square array A with the number n Example: A = [1 2 3 4 5 6 ...
3년 이상 전
해결됨
Crunch that matrix!
You are given an M x N matrix. Write a script that will compress this matrix into an M x (N/3) matrix, where each of the terms ...
3년 이상 전
해결됨
Fill the Matrix - 2
Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the me...
3년 이상 전
해결됨
Fill the matrix - 1
Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the s...
3년 이상 전
해결됨
Matrix to 3-Column Matrix
Consider a matrix *A* such as A = [1 2 3 3 4 5 6; 2 3 4 5 6 7 8]; Can you convert this matrix to a three-column ...
3년 이상 전
해결됨
Vector to 3-Column Matrix
Consider a vector *A* such as A = [1 2 3 3 4 5 6] Can you convert this vector to a three-column matrix like this: ...
3년 이상 전
해결됨
Cumulative minimum of an array
Find the cumulative minimum of an array without using the built-in function <http://www.mathworks.com/help/matlab/ref/cummin.htm...
3년 이상 전
해결됨
Maximum of each diagonal
The well-known <http://www.mathworks.com/help/matlab/ref/max.html max> function can operate along either the rows or the columns...
3년 이상 전
해결됨
Divide elements by sum of elements
In this problem, I ask you to write a function which will divide the elements of each column by the sum of the elements of the s...
3년 이상 전
해결됨
Minimum of each diagonal
The well-known <http://www.mathworks.com/help/matlab/ref/min.html min> function can operate along either the rows or the columns...
3년 이상 전
해결됨
The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...
3년 이상 전
해결됨
Magnet and Iron
(Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/112 Problem 112: Remove the air bubbles>) Iron (atomic n...
3년 이상 전
