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Roche de Guzman


Hofstra University

201 total contributions since 2015

Assistant Professor, Biomedical Engineering
Teaching:
ENGG 010 (Computer Programming for Engineers)
ENGG 081 (Introduction to Bioengineering)
ENGG 101 (Numerical Methods)
ENGG 108 (Biomaterials Lab)
ENGG 112 (Engineering Drawing)
ENGG 118 (Fundamentals of Biomaterials)
ENGG 143G (Senior Design)
ENGG 165 (Bioengineering Modeling and Simulation)
ENGG 169 (Fluid Mechanics Lab)
Research:
Biomaterials, Medical Device, Drug Delivery, Mathematical Modeling

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Roche de Guzman's Badges

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  • First Answer
  • ASEE Challenge Master
  • Project Euler I
  • Cody5 Easy Master
  • Personal Best Downloads Level 3
  • First Review
  • 5-Star Galaxy Level 1
  • First Submission
  • Tiles Challenge Master
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Contributions in
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Submitted


Finite Difference Explicit Method for Fick's 2nd Law
Finite Difference Explicit Method (iteration) to solve for a PDE (Fick's 2nd Law of diffusion)

7 months ago | 11 downloads |

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Submitted


Finite Difference Implicit Method for Fick's 2nd Law
PDE solution using the implicit method

7 months ago | 4 downloads |

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Submitted


FEM to solve for 2D Laplace's Equation
FEM solution to a steady-state PDE (example: Laplace's) applied to an electric potential

7 months ago | 7 downloads |

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Submitted


Vector field rotation using Rotation (Transformation) matrix
Animation to demonstrate the use of the 2D rotation matrix in a vector field

7 months ago | 0 downloads |

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Truss 3D (Tetrahedral) using FEM (direct stiffness)
Deformation of a tetrahedral truss (4 nodes and 6 elements) with 3 pinned bottom nodes and downward force applied to the top nod...

7 months ago | 5 downloads |

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Fick's 2nd Law of Diffusion using Method of Lines
PDE solution using Method of Lines

7 months ago | 9 downloads |

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Fick's 2nd Law of Diffusion using FEM (Direct Stiffness)
Direct stiffness finite element method to solve for c (concentration) at given x (1D space) and t (time) values

7 months ago | 5 downloads |

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Graph of a 3D vector field and its divergence and curl
Visualize vector field quiver, divergence (slice), and curl (quiver) at given 3D coordinates

9 months ago | 7 downloads |

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Graph of a 2D vector field equation and its divergence
Visualize vector field using quiver and divergence using filled contour at given 2D coordinates

9 months ago | 3 downloads |

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Submitted


Divergence Theorem (Gauss’, Ostrogradsky’s) to Measure Flow
Example showing that the volume integral of the divergence of f = surface integral of the magnitude of f normal to the surface (...

9 months ago | 3 downloads |

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Solved


Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

11 months ago

Solved


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

11 months ago

Solved


Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

11 months ago

Solved


Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

11 months ago

Solved


Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

11 months ago

Solved


Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

11 months ago

Solved


Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

11 months ago

Solved


Find a subset that divides the vector into equal halves
Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

11 months ago

Solved


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

11 months ago

Solved


How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...

11 months ago

Solved


Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

11 months ago

Solved


Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

11 months ago

Solved


Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

11 months ago

Solved


Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

11 months ago

Solved


Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

11 months ago

Solved


Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

11 months ago

Solved


Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

11 months ago

Solved


Project Euler: Problem 8, Find largest product in a large string of numbers
Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...

11 months ago

Solved


Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

11 months ago

Solved


Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

11 months ago

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