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Solved
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; 7 8 ...
9 years ago
Solved
Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...
9 years ago
Solved
Polynomial Evaluation
Create a routine that takes a list of coefficients of a polynomial in order of increasing powers of x; together with a value of ...
9 years ago
Solved
Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296
11 years ago
Solved
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...
11 years ago
Solved
Palindrome
Check if a given string is a palindrome or not. For example, a = 'amoreroma' is a palindrome. But b = 'xyz' is not. Return...
11 years ago
Solved
Power of n ?
Determine if _x_ (positive integer) is a power of _n_, return true or false accordingly.
11 years ago
Solved
GJam 2013 Veterans: Ocean View (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p2 GJam 2013 Veterans Ocean View>. Th...
11 years ago
Solved
Kaggle: Reverse Game of Life - Periods of Oscillators
<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Period of L...
11 years ago
Solved
Self-Description
This is a simplified version of the <http://xkcd.com/688/ *xkcd comic* by the same name>. Simply return the angle (in degrees...
11 years 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 ...
11 years ago
Solved
Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...
11 years ago
Solved
German tank problem
The <http://en.wikipedia.org/wiki/German_tank_problem German tank problem> is a well-known statistical problem that attempts to ...
11 years ago
Solved
Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.
11 years ago
Solved
Check if equal
Return true if all the elements of an nD array are equal, false otherwise.
11 years ago
Solved
Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...
11 years ago
Solved
Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F_n = F_(n-1) + F_(n-2) * where F_0 = 0 and F_1 ...
11 years ago
Solved
Signed Magnitude
For a given input vector, return the value that is furthest from zero. For example, if x = [1 2 -12] return -12.
11 years ago
Solved
That's some divisor you've got there...
Given a positive integer x, calculate the sum of all of the divisors of the number. Please include the number itself in your fi...
11 years ago
Solved
GJam 2014 China Rd B: Sudoku Checker
This Challenge is derived from <http://code.google.com/codejam/contest/2929486/dashboard#s=p0 GJam 2014 China Sudoku>. Large Cas...
11 years ago
Solved
Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...
11 years ago
Solved
Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...
11 years ago
Solved
Smith numbers
Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at <http://en.wikipedi...
11 years ago
Solved
Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...
11 years ago
