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A Simple Tide Gauge with MATLAB
You are standing in a few inches of sea water on a beach. You are wondering whether the high tide is coming soon or it has ju...

8 years ago

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I Plead the Fifth
Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

8 years ago

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Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

8 years ago

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Is it really a 5?
A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...

8 years ago

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Spot the First Occurrence of 5
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

8 years ago

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Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

8 years ago

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Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

8 years ago

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5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

8 years ago

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Basic electricity in a dry situation
This is a very hypothetical situation between two individuals in a very dry atmosphere. He came running in rubber boots when...

8 years ago

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Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

8 years ago

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Van Eck's Sequence's nth member
Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...

8 years ago

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Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer whi...

8 years ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

8 years ago

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Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...

8 years ago

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How to subtract?
* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...

8 years ago

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Find the nearest prime
Given a positive integer 'n', the task is to find a prime number greater than or equal to 'n'. Example 1 If given 'n' is ...

8 years ago

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Get all prime factors
List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

8 years ago

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Circular Primes (based on Project Euler, problem 35)
The number, 197, is called a circular prime because all rotations of the digits: 197, 971, and 719, are themselves prime. The...

8 years ago

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Prime Letters = Removing
Given a string, remove all the letters which in ASCII Code are prime numbers. For Example: s1 = 'Determine which array e...

8 years ago

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Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

8 years ago

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Find the next prime number
Find the next prime number or numbers for given n. For example: n = 1; out = 2; or n = [5 7]; out = [7 11]; ...

8 years ago

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Find the number that has most primes those less than it
Given an vector x of integer numbers, find the element of x that has the most primes less than it.

8 years ago

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Give prime Numbers upto n
You are given a input number x; print all the prime numbers less than equal to x.

8 years ago

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Prime Time
All you need to do here is submit your solution a prime number of seconds after the top of the hour. Any hour at all... Easy, ...

8 years ago

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find whether it is prime or not
For a given number find if its prime

8 years ago

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Prime number removal
remove all prime numbers from the input e.g. input = 1 2 3 4 5 6 7 8 9 10 11 12 ...

8 years ago

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Given a number N, find the smallest prime P>N
Given a number N, find the smallest prime P greater than N. For example: If N=10 then P=11. If N=13 then P=17.

8 years ago

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Compute average gain for some bets.
Given a vector containg the odds of some events in decimal format (e.g., |odds=[1.3 2.5 1.5]| ) and a vector of the same dimensi...

8 years ago

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sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

8 years ago

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Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

8 years ago