# Roche de Guzman

### Hofstra University

Associate Professor, Bioengineering

Teaching:

ENGG 010 (MATLAB 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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**11** Answers

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RANK**3,168** of 17,779

REPUTATION**451**

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CONTRIBUTIONS**36** Files

DOWNLOADS **148**

ALL TIME DOWNLOADS**4313**

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**Content Feed**

Submitted

Brownian Motion Showing Diffusion Behavior

Simulation of multiple particles in a box starting at a single location exhibiting random motion with animation

1 month ago | 4 downloads |

Submitted

Brownian Motion or Random Particle Motion in a Fluid

Simulation of a single particle in a box

1 month ago | 6 downloads |

Submitted

Divergence of vector in 3D

Comparing the quiver plot of the vector function to the scatterplot of its divergence scalar function

2 months ago | 1 download |

Submitted

Gradient of scalar in 3D

Comparing the scatterplot of the scalar function to the quiver plot of its gradient vector function

2 months ago | 2 downloads |

Submitted

Curl of vector exclusively in 3D

Comparing the quiver plots of the vector function and its curl (also a vector function)

2 months ago | 2 downloads |

Submitted

Divergence of vector in 2D new

Comparing the quiver plot of the vector function to the filled contour plot of its divergence scalar function

2 months ago | 3 downloads |

Submitted

Divergence of vector in 2D

Comparing the quiver plot of the vector function to the surface plot of its divergence scalar function

2 months ago | 3 downloads |

Submitted

Gradient of scalar in 2D new

Comparing the filled contour plot of the scalar function to the quiver plot of its gradient vector function

2 months ago | 3 downloads |

Submitted

Gradient of scalar in 2D

Comparing the surface plot of the scalar function to the quiver plot of its gradient vector function

2 months ago | 2 downloads |

Submitted

Measure Radius App

App to calibrate and measure a spherical gel's radius.

8 months ago | 2 downloads |

Submitted

Lagrange's Polynomial Interpolation

Interpolates a scalar or vector yp = f(xp) with given x and y = f(x) vectors and xp query

11 months ago | 3 downloads |

Submitted

Newton's Polynomial Interpolation

Interpolates a scalar or vector yp = f(xp) with given x and y = f(x) vectors and xp query

11 months ago | 27 downloads |

Solved

"Look and say" sequence

What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

1 year ago

Solved

Sum of first n terms of a harmonic progression

Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

1 year ago

Submitted

ShowDICOM Script for Animation of CT Series and Movie Output

Displays DICOM Images

1 year ago | 7 downloads |

Question

DrawingFinished event No response

imshow(I,[]); % show image from image data drawroi = drawassisted; evs = events(class(drawroi)); % event source and events list...

1 year ago | 1 answer | 0

### 1

answerIssue with imdistline() function in MATLAB?

global h; h = imdistline; % activates the fx for drawing and measuring line global xc yc; xc = 0.3; yc = 0.1; % x and y convers...

1 year ago | 0

How to calculate distance in centimeters using IMDISTLINE?

global h; h = imdistline; % activates the fx for drawing and measuring line setLabelTextFormatter(h,'measure'); % message addN...

1 year ago | 2

Solved

Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

1 year ago

Solved

Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

1 year ago

Solved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

1 year ago

Solved

Return the first and last character of a string

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

1 year ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

1 year ago

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

1 year ago

Solved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

1 year ago

Solved

Longest run of consecutive numbers

Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

1 year ago

Solved

Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

1 year ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

1 year ago