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Square Diagonal
If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.

12 years ago

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all possible subsets of set
Given a vector, return all possible subsets of the vector in a cell array. Properties of basic set theory is assumed to be valid...

12 years ago

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Latest Question On Cody
Get the problem number of the latest submitted Problem on Cody. Copying the test suite code might not help.

12 years ago

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Integer Sequence - II : New Fibonacci
Crack the following Integer Sequence. (Hints : It has been obtained from original Fibonacci Sequence and all the terms are also ...

12 years ago

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Let's see how peculiar we can get
The task is to multiply two numbers. But do it in the most peculiar possible way.

12 years ago

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Two fractions, one sum
Given a positive number x, write a MATLAB script that will tell you how many ways that the reciprocal of that number can be writ...

12 years ago

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Four quadrant inverse tangent function.
Create a function that returns an array P the same size as X and Y containing the element-by-element, four-quadrant inverse tang...

12 years ago

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the fly, the train, the second train, and their Zeno's paradox
*You have heard this one*: A train leaves station _A_ and travels with constant velocity _v1_. A second train leaves station _B_...

12 years ago

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Dancing with wolves?
let wolf() make one or two steps to get a feel of the beat, it is waltz, do not let wolf() make the third step, return safely ju...

12 years ago

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Snakes on a plane
Given the dimensions of a 2-d plane, create a matrix where a "snake" of ones occupies the plane from top left to bottom right. ...

12 years ago

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Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

12 years ago

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hackathon impossible
You might have found a solution to our <http://www.mathworks.com/matlabcentral/cody/problems/205-hackathon-the-beginnings previo...

12 years ago

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Temperature Conversion Utility (Strings)
This is a follow-on problem to <http://www.mathworks.com/matlabcentral/cody/problems/2413-temperature-conversion-utility Problem...

12 years ago

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Mechanical Advantage of a Gear Train
Calculate the mechanical advantage of a gear train. The mechanical advantage of a gear couple is given by MA = T_o/T_i where ...

12 years ago

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Temperature Conversion Utility
There are a few problems on Cody regarding temperature conversion (C to K, C to F, F to C), but none include Rankine. Furthermor...

12 years ago

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Largest Prime Number
Given a matrix X, find the largest prime number in X.

12 years ago

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Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

12 years ago

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Determine the length of a string of characters
Determine the length of a string of characters

12 years ago

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Integer to boolean
Write a general function that will create the following conversation; Input is a column vector with integers Output is a b...

12 years ago

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Find the biggest digit in a matrix
Write a function to find the biggest digit in a matrix; input -> a matrix output -> a digit For example; [12; 47;...

12 years ago

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The Number of Ways
Find all the possible ways to reach the end of a matrix. So given [a b c d] the possible ways [a c],[a d],[b c],[b ...

12 years ago

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Reshape a Vector
Write a function that accept three inputs. The first one is a row vector S. The second and third arguments are m and n which de...

12 years ago

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Best Square-Shaped Grid for Subplot
If you have x number of plots, find the optimum 'm' number of rows and 'n' number of columns for subplotting where the overall f...

12 years ago

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12 years ago

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Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

12 years ago

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Measure a Special Distance
Given an n-by-2 matrix with positive and negative numbers, return an n-by-n matrix in the manner of the function template.

12 years ago

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FIFA World Cup 2014 : Offside
This problem is about offside rule in football (soccer). Input is a matrix with mostly zeros and a few 1, 2, 3 and 4s. A zer...

12 years ago

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last n digit of a power function
Calculate the power of a given a base, exponent. Return the last n digit number. Example 1: base = 3; expo = 8; n = 3; ...

12 years ago

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Leap Year
According to Gregorian Calender(which is in use now, in many countries),decide whether a given year is a leap year or not. Give...

12 years ago

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Permutation
How many different words can be formed using all the letters(together) from a given input word? Input is a string.

12 years ago