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sum of non-primes
The sum of the non-primes below 10 is 1+4+6+8+9+10=38 Find the sum of all the non-primes below the input, N.

7 years ago

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kmph to mps
convert kilometer per hour to meter per second

7 years ago

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

7 years ago

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For a rectangle, if x is the length and 2x is width. Then find out x from the area of the rectangle?
For a rectangle, if x is the length and 2x is the width. Then find out x from the area of the rectangle? if the area is equal...

7 years ago

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Find the index of the lowest number in a matrix
Take a matrix, and find the [row cal] index of the lowest number

7 years 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...

7 years ago

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square of a number
find square of a given number

7 years ago

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cube of number
find cube of number

7 years ago

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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

7 years ago

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Check if any duplicates in your data
Given an array x, return a number n equal to the largest number of repetitions in your data. For example: If x=[1 2 3 6 8 4 9]...

7 years ago

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Divide the Least Common Multiple by the Greatest Common Divisor of two numbers
Divide the Least Common Multiple by the Greatest Common Divisor of two numbers. For example, for x=12345 and y=54321, the answer...

7 years ago

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Matrix element wise multiplication
Take two incoming vectors, and multiply them element wise

7 years ago

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square root
Find square root of given number

7 years ago

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Determinants
Given a square matrix(A), find the determinant(d). For example: A = [1,3;4,5] d = 1*5-4*3 = -7

7 years ago

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Divisible by 21
Write a function to determine if a number is divisible by 21.

7 years ago

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Counting votes
x is a vector of votes, e.g. x=[1 2 3 2 2 1 3 2 1 2 2 2 2], who is the winner? 1,2,3?

7 years ago

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Delete the column with all 0 !
Delete the column with all 0 data in a matrix(x). e.g. input x = 1 0 0 4 5 0 7 0 ...

7 years ago

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Sum two matrices
Take two incoming matrices, and sum them

7 years ago

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Count the numbers
In a array x, count the number of times the number n appears in x. for example: x = [1 2 3 4 3 2 1 2] and n = 2 the answer sh...

7 years ago

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Find the mean of two vectors
Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)

7 years ago

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Matrix Max Finder
Output the maximum value in a matrix

7 years ago

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Remove multiples of N
in the vector x remove all multiples of N. x = [1 2 3 4 5 6]; N = 2; Then y = [1 3 5];

7 years ago

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Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors

7 years ago

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Replace all odd numbers with NaN
Replace all odd numbers in the vector or matrix with NaN. For example, if x = [1 3 4 5 8 11]; then return y = [NaN Na...

7 years ago

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Some tweaks in summation, Can you decode? :)
There are some tweaks in summation that you might observe via test suites Try if you can

7 years ago

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Find the distance traveled by a car given velocity and time.
A car is traveling at a constant velocity for a specific amount of time. The function should use the two inputs, velocity and ti...

7 years ago

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Primes Checker
Given variable inputs Check if they are prime numbers

7 years ago

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wipe out!
make all the elements in given x zero.

7 years ago

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MPS to MPH
Given the speed in miles per second, find the speed in miles per hour.

7 years ago

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Halder function
Find the halder function value of a number

7 years ago