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# Romain Dupouy

126 total contributions since 2015

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Print the largest eigenvalue of A(500)
Write a function that prints the largest eigenvalue of A(500), without any extraneous output. For a positive integer n, let A...

plus de 5 ans ago

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Matlab Basics - Assigning Variables
Assign different types of data to variables: integer, double, and strings Example: A is a double, for example 2.34 B is a...

plus de 5 ans ago

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Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

plus de 5 ans ago

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Matlab Basics - y as a function of x
write a script to calculate y as a function of x, such that y = 6x^2 + 5x - 2

plus de 5 ans ago

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

plus de 5 ans ago

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

plus de 5 ans ago

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Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

plus de 5 ans ago

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Matlab Basics - Absolute Value
Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]

plus de 5 ans ago

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Matlab Basics - Set unwated parts of a vector to zero
Consider a vector x, of length >= 7, write a script to set elements 2, 5, and 6 to zero. e.g. x = [1 2 3 4 5 6 7] --> x = [1 ...

plus de 5 ans ago

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Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...

plus de 5 ans ago

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Matlab Basics - Sum a vector
Write a script to add up all the elements in a vector e.g. x = [1 2 3 4] --> output = 10

plus de 5 ans ago

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Matlab Basics - Logical Tests I
Write a script to test whether a year number is for a leap year or not. eg. x = 1884 output = 1 eg. x = 3 output = 0

plus de 5 ans ago

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Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

plus de 5 ans ago

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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

plus de 5 ans ago

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Feeling lucky?
Guess which number Cody is thinking (1 to 10)? (This is a game of luck more than skill. Good luck!)

plus de 5 ans ago

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Help the Patriots get to the Super Bowl
Given a football by the Patriots, return it to them with 2 psi less air in it. (The original psi is passed as a number to the...

plus de 5 ans ago

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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

plus de 5 ans ago

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prime test
find largest 2 digit prime number

plus de 5 ans ago

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prime test 2
enter the only non prime,non composite number

plus de 5 ans ago

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Interior angles
Find the sum of interior angles for polygon of x sides.

plus de 5 ans ago

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Deriving a function using the difference quotient
Write a function that evaluates the derivative of a function in a given point using the well-know formula of the difference quot...

plus de 5 ans ago

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create a column
use vector notation to create a column

plus de 5 ans ago

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Sum all integers from 1 to 5^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=6

plus de 5 ans ago

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Twin Primes
Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5,...

plus de 5 ans ago

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imaginary results
Return the value of the imaginary number i to the power of input argument n.

plus de 5 ans ago

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How to get the additive inverse of a uint8.
Given x as a uint8 find the additive inverse y.

plus de 5 ans ago

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solve for y that is half as much as three less than one tenth of x
function y = half(x) y = (x * .1); end

plus de 5 ans ago

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Product of Array
Given an array of numbers. Get the product of the array.

plus de 5 ans ago

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Decide whether determinant is zero.
Given a 3 x 3 matrix, find the determinant. Let y = true if the determinant is zero, and let y = false if the determinant is no...

plus de 5 ans ago

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Golden ratio
Calculate the golden ratio. Hint: phi^2 = phi + 1.

plus de 5 ans ago