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Enhancing STEM Curriculum with MATLAB and O nline Resources. Dr. David Torres Northern New Mexico College 2011 NSF Robert Noyce Conference July 7, 2011 . Northern New Mexico College. Two-year and four-year college in Espanola, New Mexico Enrollment is approximately 2300 students

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Enhancing stem curriculum with matlab and o nline resources

Enhancing STEM Curriculum with MATLAB and Online Resources

Dr. David Torres

Northern New Mexico College

2011 NSF Robert Noyce Conference

July 7, 2011


Northern new mexico college
Northern New Mexico College

  • Two-year and four-year college in Espanola, New Mexico

  • Enrollment is approximately 2300 students

  • Hispanic Serving Institution

    • 70% Hispanic

    • 8% Native American

  • Rural

  • Bachelors Degrees

    • Mechanical, Software Engineering

    • Mathematics, Biology, Environmental Science

    • Education


Friday academy
Friday Academy

  • Students from Carlos Vigil Middle School in Espanola explore fun activities in mathematics, chemistry, biology and writing at Northern New Mexico College on Fridays.

  • This presentation is based on the challenge of making the mathematics component of that curriculum engaging to middle school students.


Motivation for using computer software
Motivation for using Computer Software

  • Allow students to model complex physical phenomena inexpensively

    • Water and sound waves

    • Planetary motion and gravity

  • Allow students to explore mathematical concepts in an exploratory way

    • Sequences and fractals

    • Area


Matlab
MATLAB

  • Software language distributed by MathWorks

    • Programming and Visualization capabilities

  • Interaction with MATLAB can be superficial or extensive

    • Easy to create 2D and 3D plots

    • Solve equations governing fluid flow

  • SciLab is a free version (http://www.scilab.org)


Relevance to noyce fellows
Relevance to Noyce Fellows

  • Could use these codes or resources in their own classrooms to engage and motivate their own students.

  • Resources require very little training.

    • MATLAB

    • Sweet Home 3D®


Waves
Waves

  • Water

  • Sound


Tsunamis
Tsunamis

http://thewashingtonnote.com



Credits
Credits

  • Cleve Moler, MathWorks

  • Randy LeVeque and colleagues, University of Washington








Acceleration and velocity
Acceleration and Velocity

  • Velocity is change in distance over time.

  • Acceleration is the change in velocity over time.

http://davidteacherzambia.blogspot.com




Sequences1
Sequences

  • 1,3,5,7,9,11,13, …

  • 1,4,9,16,25,36, …

  • 1/2 ,2/3, 3/4, 5/6, 6/7, 7/8, …

  • 1,1,2,3,5,8,13,21,34,55, …


Complex numbers
Complex Numbers

Imaginary

1 + 2i

Real


Sequence of complex numbers
Sequence of Complex Numbers

  • Repeat

  • Color points by distance from origin in the complex plane

  • Beautiful shapes called fractals can be formed based on this simple procedure.


Sequence of complex numbers1
Sequence of Complex Numbers

Imaginary

2

1

3

4

Real





What s really cool about fractals
What’s Really Cool about Fractals

  • When a portion of the fractal is magnified, the magnified portion bears a resemblance to the original fractal (self-similarity).

  • YouTube videos magnify Mandelbrot fractals billions of times and during the course of the magnification, one sees variations of the original fractal over and over again.



Area of rectangle
Area of Rectangle =

Area = b*h

h

b





Sweet home 3d
Sweet Home 3D®

  • Web site published by Emmanuel Puybaret

  • eTeks® (company created in 1999)


Conclusions
Conclusions

  • Software can be used to simulate physical phenomena in an interactive way.

  • Free online resources can be used to reinforce and apply mathematics concepts.

  • Such resources can be used to depthen the extent of learning and show its application.


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