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# Rishab

122 total contributions since 2014

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

5 years ago

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

5 years ago

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Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

5 years ago

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Binary code (array)
Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

6 years ago

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Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

6 years ago

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Sum Even Numbers
Given a number x, make the summation of all the even until x. For instance, x = 7, so y = 2+4+6 = 12 * x = [3] * y = 2 * ...

6 years ago

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Divide by 4
Given the variable x as your input, divide it by 4 and put the result in y.

6 years ago

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find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

6 years ago

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Alkane
Given a number, x, that is equal to the number of carbons in an alkane, find, y, the number of hydrogens in the alkane.

6 years ago

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Skip by a multiple
Given an integer create an array of its multiples. Array must have a length of 15

6 years ago

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Combination logic
Create an algorithm in MATLAB that calculate the combination for the given positive integers n and k as inputs. When k > n, the ...

6 years ago

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Array of Ones
Create a 100 X 100 array of ones.

6 years ago

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Create a 5x4 array consisting of the input value, x.
Create a 5x4 array consisting of the input value, x.

6 years ago

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Perimeters/Circumference
Given an array. Determine whether the perimeter is of a circle, triangle or square. Then calculate the perimeter.

6 years ago

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Detect a number and replace with two NaN's
Write code which replaces the number 1 with two NaNs. Example X = [ 1 2 NaN 4 1 3 7 NaN 1 4 NaN 2] ...

6 years 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...

6 years ago

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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

6 years ago

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square number
Square a number

6 years ago

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Understanding the ribbon
Which of these is NOT a tab on the ribbon? 1: Unicorns 2: Home 3: App 4: Plots

6 years ago

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How long does it take to run a bath?
Given the *volume flow rate* (volume/time) of a faucet and the *volume* of a bath tub, find the amount of time it takes to fill ...

6 years ago

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y equals x divided by 2
function y = x/2

6 years ago

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Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

6 years ago

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

6 years ago

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Sum of integers numbers
Sum of the numbers from 1 to 100

6 years ago

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Matlab Basics II - Free Fall
An object freely falling from rest under gravity covers a distance x given by: x = 1/2 gt^2 write a function that calculat...

6 years ago

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Area of a rectangle
Find the area of a rectangle with sides a and b

6 years ago

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Matlab Basics II - Create a vector with a repeated entry
Create a row vector of length n, filled with 4's, for example, if n = 3 output = [4 4 4] make sure to round UP when n is a...

6 years ago

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Find the product of a Vector
How would you find the product of the vector [1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] times 2?; x = [1 : 0.5 : 6]; y ...

6 years ago

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

6 years ago

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

6 years ago

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