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Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

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Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string inStr from a list of strings strList....

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Decimal Comparison
*Background* A utility of particular interest to Cody and other MATLAB ventures is comparing the equality of two numbers. In ...

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Replace secondary diagonal elements of a square array
Replace all the secondary diagonal elements of the square array A with the number n Example: A = [1 2 3 4 5 6 ...

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Divide elements by sum of elements
In this problem, I ask you to write a function which will divide the elements of each column by the sum of the elements of the s...

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Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

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Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

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Sorting integers by their digits (Level 1)
Given a vector, v, of positive integers, return a vector, w, by sorting v in ascending order, such that primary sorting is done ...

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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

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What day is it?
Tell me what day is it. Return the full name of the day of the week as a string. e.g. It's June 12th 2014, so your function s...

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Find number of days
The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...

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birthday on same day of week
Say, Mr. X's birthday is on 20th July, 2014. It was Sunday. Determine the closest year when his birthday will again be on Sunday...

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How Many Months Until It's Today Again?
Given a particular date, calculate how many months must pass before that same day of the month occurs on the same day of the wee...

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weekday and month
Given a year and a weekday, determine how many months of that year had five of those weekdays. It is kind of easy to find. Exam...

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Weighted average
Compute the weighted average Y, of the vector A, given the weight vector W. The weighted average is the sum of the dot produc...

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Moving average (variable kernel length)
Find the moving average in a vector. The kernel length is a variable. For example x = 1:10 kernel_length = 2 would r...

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Please check the last row
We have data of matrix, that is input. That contains 2 or more rows and the last row should contain the average of each column,...

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Vector push
Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

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Adding Cells with numbers defined as strings
Given a cell, with strings representing numbers, add each value. For example: a = {'9','33'}; the output should be: ...

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Shorten pathname
Given a pathname string, return a condensed version by replacing intermediate folders with '..'. *Example* If fullpat...

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Convert a vector into numbers
Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

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Reverse within string
If input is a string 'yellow' the output should be 'leywol'. Locate the middle of the string and reverse the first (yel) and sec...

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Matrix Pattern 3

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Matrix Pattern 4

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Matrix Pattern 1

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Energy of an object
Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

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Datetime basics
Generate the datetime scalar representing the current date

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Friday the 13th
According to superstition, lots of unpleasant stuff happens on Friday the 13th, so you might like to find the next occurence of ...

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Not square-free number sequence
Not square-free numbers are all positive integers divisible by a square greater than one: 4, 8, 9, 12, 16, 18, 20, 24, 25, 27, ....

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Self-similarity 1 - Every other term
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...

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