# Grace O'Neil

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**Content Feed**

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Solved

Model a falling body

An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

5 years ago

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Tree Height

Assign treeHeight with the tree height given the shadow length and angle of elevation. Simple geometry can compute the heigh...

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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Find vampire numbers

A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such th...

5 years ago

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Bell Number calculator

Calculate a vector of Bell numbers for sets up to length n. Bell numbers are the maximum number of partitions of a set. See the ...

5 years ago

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Project Euler: Problem 6, Natural numbers, squares and sums.

The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

5 years ago

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Arithmetic array operations

* Add x to each element of array temperatureReadings.

5 years ago

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01 - Scalar variables

Create the following variables: <<http://samle.dk/STTBDP/Assignment1_1.png>>

5 years ago

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Sum my indices

Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

5 years ago

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Replace Vector Elements

Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

5 years ago

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How many trades represent all the profit?

Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

5 years ago

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Population growth

Assign finalPopulation with the population size given an initial population, population growth rate, and number of years. The fi...

5 years ago

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Simple equation: Annual salary

Given an hourly wage, compute an annual salary by multiplying the hourly wage times 40 and times 50, because annualSalary = hour...

5 years ago

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All your base are belong to us

Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

5 years ago

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Write an expression

Assigns finalResult with firstSample plus secondSample, squared, then divided by 3. Ex: If firstSample is 18 and secondSample is...

5 years ago

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Double colon operator: Counting up

* Construct a row array countValues from 1 to endValue, using the double colon operator. Ex: If endValue is 5, countValues s...

5 years ago

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Remove DC

Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

5 years ago

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Duplicate each element of a vector.

for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

5 years ago

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Make a 1 hot vector

Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

5 years ago

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Who knows the last digit of pi?

There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

5 years ago

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Who is the smartest MATLAB programmer?

Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

5 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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Compute total cost

A soda costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the numb...

5 years ago

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Omit columns averages from a matrix

Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

5 years ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

5 years ago