Costas Panagiotakis

Hellenic Mediterranean University, Greece

Last seen: 6 days ago | Active since 2015

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homepage: www.csd.uoc.gr/~cpanag Professional Interests: signal processing, image and video analysis, 3D animation, multimedia and pattern recognition

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

14 days ago

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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

14 days ago

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

14 days ago

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

14 days ago

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Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

14 days ago

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convert matrix to single column
given any matrix, convert it to single column

14 days ago

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Solve Linear equations
Solve Linear equations Example: x+y=2 and x+2y=3, then x and y equal to 1.

14 days ago

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

14 days ago

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

14 days ago

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

14 days ago

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

14 days ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

14 days ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

14 days ago