Alexander Ross
Followers: 0 Following: 0
Statistics
Cody
0 Problems
1541 Solutions
RANK
N/A
of 302,280
REPUTATION
N/A
CONTRIBUTIONS
0 Questions
0 Answers
ANSWER ACCEPTANCE
0.00%
VOTES RECEIVED
0
RANK
of 21,666
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Discussions
AVERAGE NO. OF LIKES
Feeds
Solved
Pixel density
<https://en.wikipedia.org/wiki/Pixel_density Pixel density> tells us how many pixels we can find within a unit of length. And a...
12 hours ago
Solved
Doubling elements in a vector (★★)
(copy of prob. 1024) Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] t...
13 hours ago
Solved
Generate binary combinations for a given number of bit(s)
Generate the binary combination as in the example below. Example: If you are given: bin_comb(2) The answer will be: ...
13 hours ago
Solved
The Ulam Matrix
The Ulam spiral is simple to describe. On a gridded piece of paper, write down the number 1. Then write successive integers as y...
14 hours ago
Solved
Find the index of the first occurrence of a value in a matrix
Given a matrix of scalars, find the first occurrence of -1 in each column. Output NaN for a column which does not contain the va...
14 hours ago
Solved
Enclosure Matrix
The problem gives you a positive integer n. You need to create a matrix consisting of n layers of natural numbers; the outermost...
14 hours ago
Solved
Rewrite setdiff to account for non-unique values
Setdiff(a,b) is a function that will remove all values of b from a. Sometimes, you need this function to do a little bit extra,...
15 hours ago
Solved
Mo money, mo math #2! (★★★)
(adapted from Prob 9 Cody team) You have a matrix for which each row is a person and the columns represent the number of quar...
18 hours ago
Solved
COUNT VOWEL 2
The objective of this problem is to determine the number of unique vowels used in the given string. Now count vowels in STRI...
19 hours ago
Solved
Remove duplicated triangles
Input T is a triangulation (triplet list of indices -positive integers-, each index refering to a vertex number in a correspondi...
19 hours ago
Solved
Draw Dominos
Write a function to draw dominos. The number on each side can range from 0 to 9. For example, for an input of [3,7], your functi...
19 hours ago
Solved
Create Truth Table of Size according to input
Create a Truth Table Example: n = 3 output = [0 0 0; 0 0 1; 0 1 0; 0 1 1; 1 0 0; 1 0 1; 1 1 0; 1 1 1]
20 hours ago
Solved
Writing Error Messages
Well written functions check inputs to make sure the input is valid. The function ErrorCheck takes three arguments: * a - a s...
20 hours ago
Solved
Determine whether one vector is a subset of another
While bumbling through a pair of problems in the Number Theory group, I wrote code to determine whether a vector is a subset of ...
20 hours ago
Solved
Calculate the height of an object dropped from the sky
Assume that an object is dropped from 1000 meters above the surface of the earth at time t=0. The object is dropped such that t...
21 hours ago
Solved
Keep Only Even Numbers
Given a vector, return a new vector containing only the even numbers in their original order. Example: keep_evens([1 2 3 4 5 6])...
21 hours ago
Solved
Redefine the Array if the Elements in the Array are Repeating
Check if the Array has any repeating elements, if there are repeating elements then choose "n" as a number of times you want tha...
21 hours ago
Solved
Weird Diagonal Matrix!!
**If you have loved the problem, please like it below(Request)** Given an integer n, create a matrix whose diagonal elements wi...
1 day ago
Solved
Polybius Square
Given a string, calculate the coordinates. Input will be always in lowercase. If string is a sentence then use 0 (zero) to indic...
1 day ago
Solved
Find the next binary palindrome number
We all know, a *palindrome* is nothing but a number or character which remains the same after the forward or backward alteration...
1 day ago
Solved
Calculate the sum of first x natural numbers
Calculate the sum of first x natural numbers for example if n=10 output =1+2+..+10=55
1 day ago
Solved
Complete a geometric sequence
In Cody Problem 59786 minnolina asks us to find the integer that completes a randomly sorted arithmetic sequence with one missin...
1 day ago
Solved
Calculating distance of lightning based on time delay
If we know the time delay between when we see lightning and hear thunder then we can calculate approximate distance(in meters) o...
1 day ago
Solved
Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.
--------------- A= [ 2 6 -3 7 12 0 -12 5 1] --------------- B= [12 7 1 6 2 0 5 -3 ...
1 day ago
Solved
Which coins to give
I was in shop today. I admired, how shop assistant had to think, which coins to give me. The task is we have a vector v=[0.5 0.2...
2 days ago
Solved
The Secret Code of Mars
NASA has intercepted a mysterious signal from Mars filled with random letters and numbers. Scientists believe each number in the...
2 days ago
Solved
Local Extrema
Given a 2D (m,n>1) matrix, replace an element if it is not a local extrema (minima/maxima), with 0 (zero). The comparison crite...
3 days ago
Solved
The MATLAB Treasure Hunt – Decode the First Clue Hidden in a Jumbled Sequence of Numbers
You discover an ancient parchment inside the college archives. It contains a jumbled sequence of numbers that seems meaningless ...
3 days ago
