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union without repitition

Let a = [9 9 9 9 9 9 8 8 8 8 7 7 7 6 6 6 5 5 4 2 1] b = [1 1 1 3 3 3 3 3 4 4 4 4 4 10 10 10] Output should be [9 8...

3 years ago

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Feeling lucky?

Guess which number Cody is thinking (1 to 10)? (This is a game of luck more than skill. Good luck!)

3 years ago

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Powers Of

Fill the vector with powers of 2, so that vector(1) is 2^1, vector(2) is 2^2, etc. Stop with vector(10). Complete the function ...

3 years ago

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imaginary results

Return the value of the imaginary number i to the power of input argument n.

3 years ago

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Perimeters/Circumference

Given an array. Determine whether the perimeter is of a circle, triangle or square. Then calculate the perimeter.

3 years ago

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Reshape a Vector

Write a function that accept three inputs. The first one is a row vector S. The second and third arguments are m and n which de...

3 years ago

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Determine the Anti-diagonal of a Magic Square

Determine the anti-diagonal (crossing from top right to lower left) of a magic square of size n. Examples If n = 3 y =...

3 years ago

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Union of two set decreasing order

Union of two set decreasing order Say, x=[1 2 5] and y=[5 7 8] then answer must be [8 7 5 2 1]

3 years ago

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Flip the main diagonal of a matrix

Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

3 years ago

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Generate vector according to sign of vector

Generate vector according to sign of vector Example: If A=[-2 0 5] then output must be[-1 0 1] meaning that for negative n...

3 years ago

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Decide whether determinant is zero.

Given a 3 x 3 matrix, find the determinant. Let y = true if the determinant is zero, and let y = false if the determinant is no...

3 years ago

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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...

3 years ago

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Remove All elements less than 5

Given an input vector x, remove all elements of x less than 5 . Example: Input x = [ 1 2 5 7 3 ] Output y is [ 5 7 ...

3 years ago

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Change the first and last diagonal element of the identity matrix to zero

Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

3 years ago

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Remove entire row and column in the matrix containing the input values

Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

3 years ago

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Finding peaks

Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

3 years ago

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metre to feet converter

The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

3 years ago

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What's the missing interior angle?

I'm talking about polygons... The sum of the interior angles of a triangle is 180 degrees. The sum of the interior angles of a...

3 years ago

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Make roundn function

Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

3 years ago

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Create an m x n array consisting only of an input value.

Create an array with m rows and n columns wherein all entries are assigned the input value x.

3 years ago

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Where is she?

Given the numbers 12, 3, 6, 9 Tell where the girl is located. That is: Look to your 3 o'clock = look right Example ...

3 years ago

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find the relation...

if given input is 1, output is 4. if input is 55, output is 3136.

3 years ago

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Find the number that has most primes those less than it

Given an vector x of integer numbers, find the element of x that has the most primes less than it.

3 years ago

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row removal

Remove the nth row from input matrix M and return the resulting matrix in output N.

3 years ago