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Add Me To Death (Sum sum sum)

Given certain vector, sum of the input vector, get the sum of 2 adjacent numbers in the input, and sum of the output vector (wh...

1 year ago

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Encode Me From The Past

Given this input x = 2, 5, 1, 2, 4, 1, 1, 3 output should be (Five 2's, Two 1's, One 4, Three 1's) [2 2 2 2 2 1 1 4 1...

1 year 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...

1 year ago

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Maximum sum from any 2 numbers with a variable number of inputs

Given a variable number of inputs, combine any 2 numbers from the inputs and output the maximum sum the combinations can generat...

1 year ago

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Modified Upper Matrix Mock

Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0...

1 year ago

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Create tangent function out of sine function only

Please don't use cosine and tangent functions

1 year ago

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Create tangent function out of cosine only

Please don't use tangent and sine functions

1 year ago

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Oh Zero Zero Zero!!!

Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

1 year ago

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Implement zero-based indexing for Matrices

Given an input vector and position (which is zero based) output the value Example: x = [1 2; 4 5] pos = [0 1] value = 5 ...

1 year ago

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Determinant of a 3x3 Matrix

Return the determinant of a 3x3 matrix. The built-in Matlab function det is not allowed.

1 year ago

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Freebies anyone? No!!!!

Feel free to copy paste all the tests and voila you solved the problem

1 year ago

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Repeat Vector Values an Arbitrary Number of Times

Given two vectors of the same size, repeat the values of the first vector the number of times given in a second vector. For exam...

1 year ago

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What's for Lunch?

Given b choices of beverages, e choices of entrees, s choices of sides (take two different sides total) and d choices of dessert...

1 year ago

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Mersenne Primes vs. All Primes

A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

1 year ago

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Goldbach's marginal conjecture - Write integer as sum of three primes

Goldbach's strong conjecture states that every even integer greater than 2 can be expressed as the sum of two primes. For exampl...

1 year ago

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Twins in a Window

<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

1 year ago

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Twin Primes

Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5,...

1 year ago

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Sophie Germain prime

In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

1 year ago

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Angle between two vectors

You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

1 year ago

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Extract a specific part of matrix!

In the given matrix, extract element that have odd rows and column number. For example A=[1 4 2 3 5] B=extractodd(A);...

1 year ago

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Analyze observation data

Suppose you have the following data (A,B,C) in three-column format. A B C -------------------------- t=1 ...

1 year ago

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Find Factrorial without using built-in function

A number is given, you have to find the factorial of the number without using built-in factroial function. You may use loops....

1 year ago

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Find maximum value of a curve

Two vectors shall be already defined: - Input vector x (e.g. x = 0:1:10) - Result vector y (e.g. y = sin(x)) Create a n...

1 year ago

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"Power matrix" of two vectors

Given two row vectors x,y of lengths m and n (respectively), create an m x n matrix whose i,j entry is x(i)^y(j).

1 year ago

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Test if a Number is a Palindrome without using any String Operations

*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

1 year ago