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FEN Chess Notation
Note: This problem is the reverse, or complement, of Problem 61155 - FEN to Chess Board. Given an 8-by-8 character matrix repre...

1 month ago

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Calculating Swimming Stroke Index (SI)
In competitive swimming, speed () is only one part of the equation. High efficiency is defined by moving fast while maintaining ...

1 month ago

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Apply the planing transform to natural numbers
Claude Lenormand’s planing (or raboter, in French) transform removes one element from each run in a sequence; that is, imagine a...

1 month ago

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Addition II
find a+b+c+d

1 month ago

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X-intercepts of a quadratic.
Find the y value of the quadratic of the function at a point x.

1 month ago

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Write a string
The answer should be a string that is the value: "I like apples!" (Ignore the quotation marks, just write what is inside the ...

1 month ago

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Point on a line
Find the slope of the straight line between the points a and b. Then find y at x=20.

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Division
Divide a by b.

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Subtraction
Subtract a from b.

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Squares
Find the square of x.

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Multiplication
Multiply a and b.

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Addition
Add together the values of a and b.

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Sum of even numbers in a vector
Write a function that takes a vector of numbers and returns the sum of all the even numbers in the vector.

1 month ago

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Linearly Spaced Array
Create a linearly spaced array from 0 to x consisting of y elements.

1 month ago

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Mach Number Calculator
Create a solver which converts a speed in km/s to a Mach Number Round to 2 decimal places Requires: Mach Number Formula (ea...

1 month ago

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Multiplying the Sums of Two Arrays
Get two arrays, add the values within the array up, and then multiply the two total values. [2,3]*[3,6] 5*18 90

1 month ago

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Escape from Planet ....
Given a Planets mass M, and raduis r. Calculate the surface escape velocity and the escape velocity at height h. and the diff...

1 month ago

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Center-of-Mass Index of a Vector
Given a numeric vector x, treat each element x(i) as a mass located at index i. Compute the center-of-mass index idx = sum(i *...

1 month ago

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First Unique Character
Given a character vector s, return the first character that appears exactly once in s. If every character repeats at least once...

1 month ago

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Upper vs Lower Triangle
Create an n × n matrix A such that: Elements strictly above the main diagonal are 1 Elements strictly below the main diagonal ...

1 month ago

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Odd Run Sums
Given a row vector x of integers, find every maximal run of consecutive odd numbers and return a row vector containing the sum o...

1 month ago

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Mirror Pair Mean
Given a row or column vector v, create a vector y of the same size where each element is replaced by the average of itself and i...

1 month ago

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Find the Nth number in the 8-sequence
Find the Nth number in the 8-sequence. 8, 16, 24, 32, 48, 56, 64, 72, 88, ... Hint: Refer test suites

1 month ago

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Find the Nth number in the 7-sequence
Find the Nth number in the 7-sequence. 7, 14, 21, 28, 35, 42, 49, 56, 63, 77, 84, ... Hint: Refer test suites

1 month ago

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Find the Nth number in the 6-sequence
Find the Nth number in the 6-sequence. 6, 12, 18, 24, 36, 42, 48, 54, 66, ... Hint: Refer test suites

1 month ago

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Find the Nth number in the 5-sequence
Find the Nth number in the 5-sequence. 5, 15, 25, 35, 45, 55, ... Hint: Refer test suites

1 month ago

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Generate Secret Key for Cryptography
From a seed file (code.wav), decode the audio file (Bell 202 format at 200 bits/sec) into a binary stream and then convert the b...

1 month ago

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Find the Prime Factors and Divisors of a Number
Given a positive integer n, find its prime factors as well as all of its divisors. Example: n=12 has prime factors [2,2,3] and ...

1 month ago

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Which YAxis does this Graphic object belong to?
Your function gets a graphic object in an Axes that has 2 YAxis. Can you determine which YAxis does this object belong to? I pr...

1 month ago

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Monkey and the Peaches
A monkey picked a certain number of peaches on the first day. Each day, the monkey eats half of the remaining peaches plus one ...

1 month ago