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Draw a 'X'!
Given n as input Draw a 'X' in a n-by-n matrix. example: n=3 y=[1 0 1 0 1 0 1 0 1] n=4 y=[1 0 0...

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Draw 'I'
Given n as input, draw a n-by-n matrix 'I' using 0 and 1. example: n=3 ans= [0 1 0 0 1 0 0 1 0] n=...

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Draw 'H'
Draw a x-by-x matrix 'H' using 1 and 0. (x is odd and bigger than 2) Example: x=5 ans= [1 0 0 0 1 1 0 0 0 1 ...

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Draw 'D'.
Draw a x-by-x matrix 'D' using 0 and 1. example: x=4 ans= [1 1 1 0 1 0 0 1 1 0 0 1 1 1 1 0]

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Draw 'C'.
Given x as input, generate a x-by-x matrix 'C' using 0 and 1. example: x=4 ans= [0 1 1 1 1 0 0 0 ...

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Get all corner elements from a matrix where dimension of matrix is always equal to or greater than 2.
if a given matrix a = [1 2 3;4 5 6]; so answer is going to be [1 3;4 6]

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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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Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

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y equals x divided by 2
function y = x/2

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Create a square matrix of zeros of even order
Create a square matrix of zeros of even order

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Calculate the logarithm of number
Calculate the logarithm of number x

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Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

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Determine if a row vector has NaN
Determine if a row vector x has NaN

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factorial of a number x
Factorial of a number x

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Calculate square and cube of number
Calculate square and cube of number x

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

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チェッカーボードを作ろう
整数 n が与えられた時、以下の様な1と0を含むn×nの行列を作成しましょう。a(1,1) は1にする必要があります。例：入力 n = 5 出力 a が [1 0 1 0 1 0 1 0 1 0 ...

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Get the area of the square.
Four circles are inscribed in the square ABCD. The perimeter of each circle is *aπ*. <<http://imgfz.com/i/UzgCJut.png>> Gi...

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Distance Between Points
Being n the number of points (If n = 3 there would be 3 points: A, B and C). The distance between each pair of points increases...

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pressure to dB?
given x ratio of pressure, find corresponding y dB

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Is my wife right?
Regardless of input, output the string 'yes'.

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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

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Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

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Distance a ball travels after throwing vertically
Calculate the total distance *'d'* (in meters) a ball would travel after *'s'* seconds and starting velocity of *'v'* (in m/s). ...

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Convert Fahrenheit to Celsius
Calculate the Celsius temperature C given the Fahrenheit temperature F. Examples: Input F = 90 Output C is 32.22 I...

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Concatenate matrix into 4 quadrants for given number of iteration
If given a matrix and number, output should be its concatenation like wavelet for given number of iterations. Example a ...

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Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

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Calculate value of capacitor
Given the value of resistance and time at which capacitor charges to it's 99%. calculate the value of capacitor

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calculate RMS voltage
given peak to peak voltage, calculate rms voltage

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Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

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