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Volume of a sphere given its surface area
You just measured its surface area, that is the input.

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Least common multiple of many numbers
1:6 -> 60

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Separate even from odd numbers in a vector - with a loop
*Using a loop*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the end. T...

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Remove the first, third and fifth rows of a matrix
Given a matrix x with at least five rows, return a matrix y that includes all rows of x except for th 1st, the 3rd and 5th. E...

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Separate even from odd numbers in a vector - without loops
*Without using loops*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the...

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Product of Each Column
Given a matrix |mat| with |n| columns, return a row vector |v| of length |n|, where every element in |v| is the product of the |...

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Vector push
Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

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Matrix Pattern 3

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Find Logic 11

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Linear Motion 1
An object travels N feet in the first second of travel, N feet again during the second second of travel and N feet again during ...

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Voltage in a lamp
A lamp is measured to have a resistance of R ohms when it operates at a power of P Watts. What is the voltage (in volts) being a...

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String Logic 13
Examples: 'CAT' --> 'TCA' 'DOG' --> 'OGD' 'ROSY' --> 'YSRO' 'MOSTLY' --> 'YTSOML'

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String Logic 4
Example: 'CAT' --> 'IGZ' 'DOG' --> 'JUM' 'MATLAB' --> 'SGZRGH' 'ROSY' --> 'XUYE' 'TRUST' --> 'ZXAYZ' 'MOSTLY' --> 'SUYZ...

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String Logic 1
Examples: 'CAT' --> 'IGZ' 'DOG' --> 'JUM'

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Matrix Generation from Vector Multiplication
Output the matrix generated from multiplying two vectors together

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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

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Resizing Matrices
Take an 4x3 matrix, and resize it to a 2x6 matrix

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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)

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Matrix Max Finder
Output the maximum value in a matrix

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Vector Element Multiplication
Take two incoming vectors, and output the element wise multiplication of the vectors.

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Vector indexing: lower than mean
Find indices of values in a vector lower than the mean of the vector

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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

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

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Find the sum of the largest two elements in a vector
With this one, you have to find the two largest elements in a vector and output the sum of those numbers.

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Doubling elements in a vector (★★)
(copy of prob. 1024) Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] t...

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Create times-tables (★★★)
(copy of prob 33) At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 ti...

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Approximate functions 2 (★★★★)

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Factorize uniquely! (★★)

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Vector of digits (★★)
Given a positive integer x, construct a vector y with all the digits of x in the order of appearance in x. Thus, if x = 172...

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Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...

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