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Find subtraction
Given a, b. Find a-b

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Find mean
given an array, find the mean of the number in that array

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Unit conversion
Convert x degree Celsius to y degree Fahrenheit.

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Square root of a number
Write a code that will output the square root of x.

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find sum of the numbers in array
calculate the sum of numbers in a given array

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Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

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Change the sign
Given a matrix x, return one with each diagonal element replaced by its absolute value and the largest element in absolute value...

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most frequent character
Obtain most frequent character Let s='balaram'; output='a';

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Index of a Rational number
The set of real numbers are infinite. They are so many that real numbers can't even be enumerated. However, unlike real numbers ...

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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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Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

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Integer Sequence - 1
Check the test suite to determine the relationship between input integer scalar and output integer scalar.

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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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Non-zero bits in 10^n.
Given an integer that is a power of 10, find the number of non-zero bits, k, in its binary representation. For example: * ...

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2D - Mean Filter
Assume you are given an "image" matrix of size NxM. Reduce the image noise by implementing a mean filter window of size 9 (a 3x3...

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Decimation
When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

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is the number happy?
test is a given integer number is Happy of not? answer 1 if yes or 0 is no

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How unique?
Sometimes, when we check unique entries of vector we would like to know how many times each value occurs. Given vector of num...

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Elements with highest local average
Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

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Palindrome numbers
Find the palindrome numbers from 1 to n where n is the number entered by the user.

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replace empty matrices with '[]'
for example a=1;a(:,1)=[]; returns a = Empty matrix: 1-by-0 use this as the input,and the output should be '[]...

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Find the rank of a matrix
Determine the rank of a matrix without using the MATLAB function of the same name.

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Find out sum and carry of Binary adder
Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

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Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
If x = 5, y = 4*5/2 = 10

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Area of a circle
Given the radius x, y would be the area of a circle. Pi = 3.1416

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For a given linear index as input for n sized square matrix, find corresponding row and column.
If input is 1, the row and column will be 1 and 1 respectively.

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UICBioE240 problem 1.10
Find the number of cells in a bioreactor after a given time when doubling time is dd and initial number of cells is x. So if ...

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Find out output of following expression
Find out output of following expression Q=2log10 x+cos π+√(5yz)+|x^2-y^2 |

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Error handling
If the input is a negative number, generate an error. Otherwise, return the number.

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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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