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# Rafael S.T. Vieira

Last seen: environ un mois ago Active since 2020

I'm a post-doctoral researcher of Computer Science at the Federal University of Ceará. And I hold a Ph.D. in Computer Science with an emphasis in Computer Graphics.

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Sort a vector

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Summy's odd sum

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Summy's even sum

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Convert sorting indices to ranks

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Big Integer Sqrt
You will be given a big integer, you should return the square root of it. input: '16' output: '4' have fun!

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Restricted Subtraction v1

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tic tac toe
Solved ticTacToe

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Find Logic 28

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Curve fitting (non-linear functions) & function handles
In this problem you are provided some raw data. You need to find a way of summarising the data with just a few parameters, so th...

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Curve fitting (linear functions) & function handles
In this problem you are provided some raw data. You need to find a way of summarising the data with just a few parameters, so t...

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Top of the Hour : Return from your routine within 1 second of the hour
*Top of the Hour* Submit your routine such that it returns to Cody after the hour and within 1 second of the hour. The tes...

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Wavy gravity

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Unique: Faster 'rows' for large array of uint8
Challenge: Execute unique(a,'rows') Faster for 'a' being uint8. The "unique" function for the 'rows' options may be performe...

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matrix rows and columns

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matrix rows and columns

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Perfect number

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"Bubblegum, Bubblegum, in a dish; How many pieces do you wish?"
The child's game "bubblegum, bubblegum, in a dish; how many pieces do you wish?" is a way of eliminating players until a single ...

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Find Logic 32

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Find Logic 24

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Find Logic 22

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Solve the equation. Find X.

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Area of Ellipse

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Dot Product

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Inhomogenous Depth Scale Interpolation
I recently came across a dataset for physical ocean parameters such as temperature and salinity that provided data in the form o...

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Convert a cell-array of values to MATLAB source code