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# Rafael S.T. Vieira

##### Last seen: 1 day ago
3,769 total contributions 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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Solved

Sort a vector

1 day ago

Solved

Summy's odd sum

5 days ago

Solved

Summy's even sum

5 days ago

Solved

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

10 days ago

Solved

Restricted Subtraction v1
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45265-restricted-addition-v4 Restricted Addition v4> with...

11 days ago

Solved

tic tac toe
Solved ticTacToe

11 days ago

Solved

Find Logic 28

11 days ago

Solved

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 t...

11 days ago

Solved

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...

11 days ago

Solved

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...

11 days ago

Solved

Wavy gravity

11 days ago

Solved

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...

11 days ago

Solved

matrix rows and columns

11 days ago

Solved

matrix rows and columns

11 days ago

Solved

Perfect number

11 days ago

Solved

"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 ...

11 days ago

Solved

Find Logic 32

13 days ago

Solved

Find Logic 24

13 days ago

Solved

Find Logic 22

13 days ago

Solved

Solve the equation. Find X.

13 days ago

Solved

Area of Ellipse

13 days ago

Solved

Dot Product

13 days ago

Solved

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...

15 days ago

Solved

Convert a cell-array of values to MATLAB source code
The MATLAB interpreter loads your code and executes it using the Read-Evaluate-Print-Loop (see <http://en.wikipedia.org/wiki/REP...

15 days ago

Solved

All Humans are Created Equal - Pareto Equality
One way or the other two sets of identical types can come out ahead of the other by idea of Pareto equality. Pareto equality b...

15 days ago