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Make an identity matrix whose diagonal elements are 1:n
For a given input n, make an n by n identity matrix that contains the elements 1:n along its diagonal. For example, if input=5: ...

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Power Numbers
Find the n-th power of m.

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Sum sum!!!
Sum the numbers from 1 to n

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Slope intercept application
Find y given slope (m), x, and y intercept (b).

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Number Power
Raise a number to itself.

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Circle : Square

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Array Concatenation (1)
Given two matrices, a and b, concatenate the two matrices horizontally, i.e., the number of columns of the result should be equa...

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Bit to Gigabyte
1 bit = 1.25 × 10^-10 gigabytes | x is bit | y is gigabyte

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divide by 5

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Find the area of a triangle
Given a triangle with a base b and height h, return the triangle area.

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Range of Values in a Matrix
Create a function that accepts a matrix of real numbers as input and returns the range of the values contained in the matrix. Th...

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Palindrome String
Determine if the inputted string is a palindrome. That is, the string is the same forwards as it is backwards. For example: ...

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Build the Well
Calculate the total time taken for building 'n' wells given : Worker A takes a hr to build the well alone Worker B takes b hr...

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Bag of apples
find probabilty of getting red apples from a bag of 'r' red and 'g' green apples.

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Sum the two halves of an array with an even number of elements
given an array of an even number of elements, sum the front and back half of the array and return the sums as an array For exam...

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Find collatz series next number
For given x, if x is even, output is (x/2) if x is odd, output is (3x+1)

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Calculate the Voltage Through a Step-Up Transformer
Given a step-up transformer has a primary coil with A number loops, a secondary coil with B number loops, and a primary voltage ...

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Compound Interest: Interest Rate
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

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Determine if input is greater than 100
Evaluate if given number is greater than 100. If greater, return true; else, return false.

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

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MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

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Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

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Proper Factors
Generate the proper factors of input integer x and return them in ascending order. For more information on proper factors, refer...

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Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

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Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

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Vector Magnitude Calculator
'a' is a vector that starts at the origin and ends at (x, y). Find ||a||. Hint: It is as simple as "ABC".

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Square Diagonal
If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.

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