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# Matthew Brown

### Draper Laboratory

314 total contributions since 2014

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Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.

3 years ago

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Calculate the number of elements in a matrix.
Calculate the number of elements in a matrix.

3 years ago

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

3 years ago

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

3 years ago

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Even or Odd
Write a function which can tell us if the given value x is odd or even. So if x is even return true and if x is odd return false...

3 years ago

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raise 1/3
raise 1/3

3 years ago

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what is the speed of the car if the car travelled 10m in 5 seconds
what is the speed of the car if the car travelled 10m in 5 seconds

3 years ago

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what is the cosine of pi
what is the cosine of pi

3 years ago

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what is sin of 0
what is sin of 0

3 years ago

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Area of square
find the area of the square, whose length of diagonal is given as x.

3 years ago

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

3 years ago

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

3 years ago

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Function definition: Volume of a pyramid
Define a function CalculatePyramidVolume with inputs baseLength, baseWidth, and pyramidHeight. The function returns pyramidVolum...

5 years ago

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the function, the box of boxer briefs, being twice the amount being manufactured twice as much x
return y as the function multiplied by x twice

5 years ago

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Double colon operator: Increment by x
* Construct a row array countValues from 0 to 25, elements incremented by incrementValue. Ex: If incrementValue is 5, countVa...

5 years ago

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Function definition: Double down.
* Complete the DoubleDown function to return twice the initialValue.

5 years ago

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Dare to solve this
Find square of any number

5 years ago

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write an expression
output is five more than twice an input number.

5 years ago

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write an expression
output is five more than twice an input number.

5 years ago

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write an expression
output is five more than twice an input number.

5 years ago

Solved

write an expression
output is five more than twice an input number.

5 years ago

Solved

write an expression
output is five more than twice an input number.

5 years ago

Solved

write an expression
output is five more than twice an input number.

5 years ago

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increase the number by 7
You need to increase any given digit by 7

5 years ago

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5 years ago

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Reverse a string
Reverse the given string. Example input = 'reverse' output = 'esrever'

5 years ago

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equate
equate y to x

5 years ago

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trignometric function
calculate sinx ,if you are given with tanx

5 years ago

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calculate accleration
Cal accleration for given time and distance

5 years ago

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calculate hyponetuse
If x,y,z are 3 sides Z being largest

5 years ago