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Add two numbers
Given a and b, return the sum a+b in c.

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What is the distance from point P(x,y) to the line Ax + By + C = 0?
Given a point, P(x,y), find the distance from this point to a linear line. INPUTS: x, y, A, B, C OUTPUTS: d, the distance ...

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What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

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Concatenate two strings
Its very easy. Just concatenate two strings.

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Display positive elements of matrix.
Display positive elements of matrix.

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

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Return area of square
Side of square=input=a Area=output=b

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Back to basics 12 - Input Arguments
Covering some basic topics I haven't seen elsewhere on Cody. Return a value equal to the number of input arguments to the fun...

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Solve the system of equations.
_Ax=b_ * _A_ - square coefficient matrix * _b_ - right side column vector Find vecor _x_.

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Solve the following system of equations.
x-2y+3z=7 2x+y+z=4 -3x+2y-2z=-10

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Find the sum of the negative elements under the main diagonal.
Example Input A=[1 2; -3 0] Output -3

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Find the Sum of the Series:
<<https://psv4.vk.me/c810428/u48725350/docs/03e9821af0aa/for.jpg?extra=iyw_6UQfL0GhDJ2NtppzhQFjAvaCe79tBk0IIpSRcn5jRJvUgdAe4u7KP...

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Find Adjacency Matrix
Graph is undirected. (s,t) in node pairs. Please, return full storage version of the matrix.(use _full(A)_ ) Input: s...

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What do you get if you multiply six by nine?
The Hitchhiker's Guide to the Galaxy based task.

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surface of a spherical planet
you just discovered its circumference, that is the input.

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

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Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

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Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

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Solve t^(a*x^2+b*x+c)=s
Solve t^(a*x^2+b*x+c)=s. Return x vector as result. Example a=1, b=2, c=1, t=3, s=15. Result x(1)= 0.5700 x(2)=-2.5700 H...

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My cat likes strings!!
Create a string of specified length or more. It's that simple!

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prime test
find largest 2 digit prime number

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Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

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Double colon operator: Counting up
* Construct a row array countValues from 1 to endValue, using the double colon operator. Ex: If endValue is 5, countValues s...

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Nth root.
* Assign outValues with the nth root of the inValues, the root is specified by rootValue

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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

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Declaring a string
* Assign streetAddress with the string 1313 Mockingbird Lane.

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