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Best Problem Elections
When I am writing those words, there are 2002 problems on Cody. Many of them are simply wonderful. Do you remember which of them...

11 years ago

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sum of the first 10 odd numbers
y = sum(first_10_odd_numbers)

11 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.

11 years ago

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Find the Sum of r and t.
Find the sum r^2 + t^2

11 years ago

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Palindrome
Given a string or array, determine whether the it is a palindrome.

11 years ago

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

11 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 ...

11 years ago

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Where is she?
Given the numbers 12, 3 , 6 ,9 Tell where the girl is located. I.E: Look to your 3 oclock = look right Ex. x = 3 fp...

11 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.

11 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

11 years ago

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Areas
Given certain dimensions determine the area of that shape. If given only one value assume its the radius. Use round(x) to round ...

11 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.

11 years ago

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Create a random integer vector to 100
Create a random integer vector to 100, with one output exa. randi(r, z) Ans. 54

11 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

11 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 ...

11 years ago

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square number
Square a number

11 years ago

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

11 years ago

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

11 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.

11 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 ...

11 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...

11 years ago

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Matlab Basics II - Minimum
Write a function that returns the minimum of each ROW of a matrix x example: x = [1 2 3; 4 5 6]; output [1;4];

11 years ago

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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

11 years ago

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Matlab Basics II - Extract last 3 elements of a vector
Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

11 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 ...

11 years ago

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Matlab Basics II - Log and natural log
Write a function that calculates the difference between the log and natural log of a vector, to two decimal places example: ...

11 years ago

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Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

11 years ago

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Matlab Basics II - Count rows in a matrix
Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

11 years ago

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Matlab Basics II - Velocity of a particle
A particle is moving in space, such that it's velocity is given by: <<http://s30.postimg.org/5rf1xtvj5/cody1.png>> write a...

11 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...

11 years ago