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Solved
matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...
1 day ago
Solved
Matrix of Multiplication Facts
This is James's daughter again, sneaking into his Cody account. Thanks to your help in my math class last year, I did great! But...
1 day ago
Solved
Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
1 day ago
Solved
Toeplitz Matrix
For a given square matrix of order n-by-n check whether this is a Toeplitz matrix or not. Return true if it is.
2 days ago
Solved
Numbers spiral diagonals (Part 2)
Inspired by Project Euler n°28 and 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right ...
2 days ago
Solved
Numbers spiral diagonals (Part 1)
Inspired by Project Euler n°28 et 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right...
2 days ago
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Matrix Construction I
Given n, construct a matrix as shown in the example below. Example For n=8, the output should look like this: 1 2 3 4 ...
3 days ago
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Rainbow matrix
Create a "rainbow matrix" as described in the following examples Input = 3 Output = [ 1 2 3 2 3 2 ...
3 days ago
Solved
Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...
3 days ago
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Generate this matrix
For a given odd integer n, generate a matrix as follows: Input: n = 5; Output: [ 2 1 0 0 0 1 ...
3 days ago
Solved
ZigZag matrix with reflected format
ZigZag MATRIX with REFLECTED format. We have only input x. We have to create a matrix in the following pattern. input n=5...
3 days ago
Solved
Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...
3 days ago
Solved
Simple Decoder Ring
The stereotypical _decoder ring_ is remembered as a cereal box prize from the 1950s. Kids learned about cryptography by startin...
4 days ago
Solved
Mean and standard deviation of times in string
Input(t) - cell of strings with times in format 'min:sec.ms' Output([m, s]) - two strings with mean and standard deviation wi...
4 days ago
Solved
Kryptos - CIA Cypher Sculpture: Vigenere Encryption
The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Encrypt tw...
4 days ago
Solved
Kryptos - CIA Cypher Sculpture: Vignere Decryption
The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Decrypt tw...
4 days ago
Solved
Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...
6 days ago
Solved
Simple Caesar Cypher - shift encrypt a message given an index number
A Caesar cypher is a simple shift encryption method. Your goal is to create a function that allows a user to input a string and ...
13 days ago
Solved
Morse Code Generator! Try it!
.... . .-.. .-.. --- . ...- . .-. -.-- --- -. . -.-.-- .-.. . - ... -.. --- ... --- -- . -- --...
13 days ago
Solved
Generate a melodic contour string matrix
<http://en.wikipedia.org/wiki/Parsons_code Parsons code> is a surprisingly effective way to identify music by its melodic motion...
13 days ago
Solved
Find x rows where the sum of the numbers is the maximum
Find x rows where the sum of the numbers is the maximum. For example: when x is 2 and m is 2 3 5 0 2 3 5 5 6 0 9 4 then y =...
13 days ago
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NO _________ ALLOWED....
So you're given a sentence where if there is a particular word in the sentence then the output is 1, if it is not there then the...
13 days ago
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ABBREVIATION
Abbreviate the given string. Consider Only Capital Letters. EXAMPLE If input is 'Abbreviation of The Given String' then ou...
13 days ago
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Convert Two Character String into a Binary Vector
Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...
13 days ago
Solved
Count letters occurence in text, specific to words with a given length.
Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...
13 days ago
Solved
Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string inStr from a list of strings strList....
15 days ago
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Find Rotated Substring
Given a string s1, find if a rotated version of s1 is present in a second string s2. For example, rotated version of some strin...
15 days ago
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Is the paranthesis sequence balanced ?
Quantum mechanics and computer science are interested in bra-kets. Today however you, the player, will have to write a function ...
15 days ago
Solved
Alternately upper-lower case
Modify the string to alternate between upper and lower case. For example, s='achyuta' output='AcHyUtA' Update - Test case...
15 days ago
Solved
Eliminate Polysyllabics: Long live short words!
Given a string s1, return s2 in which all the words with more than one syllable have been removed. To make things simple, we ...
15 days ago
