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Rafael Hernandez-Walls


Last seen: Today Active since 2010

My interest is everything related to numerical schemes applied to PDE and Oceanography, UABC.

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  • MATLAB Mini Hack Participant
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  • Knowledgeable Level 3
  • 6 Month Streak
  • Quiz Master
  • Community Group Solver
  • Personal Best Downloads Level 1
  • First Submission
  • Knowledgeable Level 2
  • Introduction to MATLAB Master
  • Project Euler I
  • Cody Problems in Japanese Master

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Solved


Composite Trapezoidal Rule for Numeric Integration
Use the trapezoidal rule to numerically integrate a function, _f(x)_, passed as the first argument, between upper and lower limi...

19 días ago

Solved


Differential equations I
Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

19 días ago

Solved


Weighted Convolution
Given two input vectors x = [x_1, x_2, ..., x_K] and y = [y_1, y_2, ..., y_K] of equal length, compute the weighted convolution ...

5 meses ago

Solved


The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

alrededor de 1 año ago

Solved


mathematics , probability problem
How many different result can we have, rolling k dice?

alrededor de 1 año ago

Solved


MATLAB Basics: Complex Conjugates
For a given complex number, x, return the complex conjugate, y.

alrededor de 1 año ago

Solved


MATLAB Basics: Complex Numbers
For a given complex number, x, return the real and imaginary parts as a vector, y = [Real Imaginary].

alrededor de 1 año ago

Solved


Flip coins

alrededor de 1 año ago

Solved


Normalizing a vector

alrededor de 1 año ago

Solved


Return fibonacci sequence do not use loop and condition
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: ...

alrededor de 1 año ago

Solved


Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

alrededor de 1 año ago

Solved


Find the next Fibonacci number
In the sequence of Fibonacci numbers, every number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...

alrededor de 1 año ago

Solved


Mass Conversion 1

alrededor de 1 año ago

Solved


Mass Conversion 2

más de 1 año ago

Solved


Calculate the answer to life the universe and everything
<https://en.wikipedia.org/wiki/42_(number)>

más de 1 año ago

Solved


How many hours are there in a day in Italy?
Remember "European Summer Time"

más de 1 año ago

Solved


Temperature Conversion 3

casi 2 años ago

Solved


Temperature Conversion 2

casi 2 años ago

Solved


Temperature Conversion 1

casi 2 años ago

Solved


Simpsons's rule (but not Homer Simpson)
I wonder what Homer Simpson would have thought of Simpson's rule? Somehow I doubt his thoughts would have included the phrase Ne...

casi 2 años ago

Solved


Total energy

casi 2 años ago

Solved


Potential energy calculation

casi 2 años ago

Solved


Kinetic energy calculation

casi 2 años ago

Solved


Laws of motion 7

casi 2 años ago

Solved


Laws of motion 6

casi 2 años ago

Solved


Laws of motion 5

casi 2 años ago

Solved


Laws of motion 4

casi 2 años ago

Solved


Laws of motion 3

casi 2 años ago

Solved


Laws of motion 2

casi 2 años ago

Solved


Laws of motion 1

casi 2 años ago

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