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Comments
* Fix the syntax errors.

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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...

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Character variable: Compass direction
* Assign compassDirection with sensorReading's value. Both are character variables.

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Wind Chill Computation
On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

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Integer indexing array: Shift left
Write a *single* statement that shifts row array attendanceValues one position to the left. The rightmost element in attendanceV...

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Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

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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...

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Coordinate geometry
Assign pointsDistance with the distance between point (x1, y1) and point (x2, y2). The distance is calculated by: Distance =...

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Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

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Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

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Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

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Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

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Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

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Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

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Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

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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...

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

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Indexing an array element
* Assign currentStudent with the second element of array testScores. _Reminder: Array indexing starts with 1._

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Multi-line comments
* Fix the syntax errors.

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Double colon operator: Counting down
* Construct a row array countValues from startValue to endValue, elements decremented by -2 Ex: If startValue is 10 and end...

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Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

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Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variabl...

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Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

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Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal.

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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

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Matlab Basics - Set unwanted 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. Example x = [1 2 3 4 5 6 7] --> ...

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Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

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Negative Infinity
Round the given array a towards negative infinity.

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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...

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