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Matrix Generation.
if input n =1, generate a matrix y = [1]

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Angles of the hands of a clock
For this problem, consider an analog (or at least continuous digital representation) of a clock. Our clock is a 12 hour clock w...

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convert?
* Given a string containing a number followed by pounds or kgs, for example: * 'Billy lost 22 pounds in four weeks.' * 'Maria ...

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Whole Number Concatenator
Write a function that concatenates whole numbers. For example: numcat(111,222) should return 111222 numcat(1,2,3,4,5) s...

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Whole Number Un-Concatenator
Write a function that accepts an integer and an index digit and returns a vector containing two integers which are the leading a...

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Find the index of nth maximum of a row vector of real numbers
Given a vector of real numbers x, find the index idx of _n_ th maximum value. If nth maximum occurs more than once, return the i...

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Crate a vector of logarithmically spaced
Create a vector of logarithmically spaced from 10^0 to 10^x with n sample Example: if x=4 and n=3 Answer must be=[1 100 10...

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Determine if given number is perfect
A number is <http://en.wikipedia.org/wiki/Perfect_number perfect> if it is equal to the sum of its factors, excluding itself. ...

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Orthonormal matrix
You decide whether any given matrix is an orthonormal matrix or not. If each column in a matrix is perpendicular to the other...

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Make a Plot with Functions
Make a plot and test

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Find names/words that start and end with the same letter.
Find names/words (from a string) that start and end with the same letter. * Case-insensitive. * If a name/word is not at the...

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Find indices of diagonal elements
Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

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Does the coin touch the line?
If we throw a coin that has a diameter of d, its center will land in a grid n x m. What is the probability that the coin land...

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LocateMembership | Membership of Matrix in another matrix
Let a and b be given by a = [ 2 1 1 1 1 2 1 1 1 1 2 1 1 1 1 2 4 0 0 0 ] b = [ 2 1 ...

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Alternative Scoring. Create an incremental spiral.
This problem is created to test an alternative Cody scoring system. It is based on the current one, but few changes are introduc...

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Did you say please? - Find one string within another without strfind or regexp/regexpi
For a given string sentence, determine if the string word 'please' is present or not. If so, return the string 'OK', else return...

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Concatenate string with cell array of strings
Given a cell array of strings (a), a target string (b), and a target position (ind), return a cell array of strings (c) in which...

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Generate Square Wave
Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...

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If-then-else
Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

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Powers Of
Fill the vector with powers of 2, so that vector(1) is 2^1, vector(2) is 2^2, etc. Stop with vector(10). Complete the function ...

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Generate vector according to sign of vector
Generate vector according to sign of vector Example: If A=[-2 0 5] then output must be[-1 0 1] meaning that for negative n...

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find the relation...
if given input is 1, output is 4. if input is 55, output is 3136.

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Add two different item as shown in example
Add two different item as shown in example x=5; y='ab'; Then output must be'5ab';

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Cull vector elements that contain a specified digit
Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...

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Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

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Given a number find two variables
If the input is *x*, find *a* and *b* from the following equation: *x = a*2^b*. Hint: *b* is an integer while *x* and *a* ar...

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Find Out sum of principal diagonal element of given matrix
Find out sum of principal diagonal element of given matrix If A=[1 0 0; 0 1 0;0 0 1], then answer must be 3.

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Add one raw in given matrix as shown in example
*Add one raw in given matrix as shown in example* A=[1 0;0 1]; X=[3 5]; Answer must be:[1 0; 0 1;3 5]

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Element by element multiplication of two vectors
Given two input vectors, return the element-by-element product. Example A = [1 2 3] B = [7 3 1] The answer should be...

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Find Elements in Range
Based on a question on <http://www.mathworks.com/matlabcentral/answers/ MATLAB Answers>. Find all the elements of a vector wh...

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