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  1. Biangular Coordinates Redux

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    10 Jan 2021 | Contributor(s): Brian Winkel

    Winkel, B. J. and M. Naylor. 2010. Biangular Coordinates Redux - The Joy of Discoveries in a New Kind of Geometry. The College Mathematics Journal. 41(1): 29-41.Creating Bipolar or Biangular Plots. Years ago I co-authored a paper with Mike Taylor (now of NORWAY) on Bipolar or Biangular plots,...

  2. One Liner Laplace

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    28 Dec 2020 | Contributor(s): Brian Winkel

    One liners, hey I got a million of 'em. Probably said by Henny Youngman, a famous 1950's TV Comedian!Another one is, "What's the use of happiness? It can't buy you money ."--Henny Youngman Prepared by PROF Brian Winkel, Department of Mathematical...

  3. Announcing SIMIODE Text - Differential Equations: Modeling to Describe The World.

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    13 Dec 2020 | Contributor(s): Brian Winkel

    SIMIODE is proud to announce a Preview Version of its forthcoming online text, Differential Equations: Modeling to Describe The World.Authored by the distinguished teacher and author, Kurt Bryan, Rose-Hulman Institute of Technology, Terre Haute IN USA, this text takes a modeling first and...

  4. Advice for Virtual Research Presentations from student for students

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    24 Nov 2020 | Contributor(s): Brian Winkel

    We thank Dr. Darrell Pepper, Director of Nevada Center for Advanced Computation Methods (NCACM), University of Nevada, Las Vegas NV USA who has been a contributor to SIMIODE and a SCUDEM judge, for pointing out these very practical tips and useful reflections by students about student...

  5. 6-026-S-FakingGause

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    30 Oct 2020 | Modeling Scenarios | Contributor(s): Brian Winkel

    We use a fake or toy data set to permit discovery of the parameters in a two population protozoan model used to study paramecium and yeast competiton in the 1930's studies of G.~F.~Gause in the Soviet Union.

  6. SCUDEM V 2020 Problem Statements

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    22 Oct 2020 | SCUDEM

    At 23:59 (11:59 PM) Eastern United States Time on 22 October 2020 we will post the three problems for your consideration in SCUDEM V 2020. The three problems will be in one document with cover sheet found under Black Box "Download PDF" in the upper right of your screen.From that...

  7. SCUDEM V 2020 Problem Statements

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    22 Oct 2020 | SCUDEM

    At 23:59 (11:59 PM) Eastern United States Time on 22 October 2020 we will post the three problems for your consideration in SCUDEM V 2020. The three problems will be in one document with cover sheet found under Black Box "Download PDF" in the upper right of your screen.From that...

  8. SCUDEM V 2020 Problem Statements

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    19 Oct 2020 | SCUDEM

    At 23:59 (11:59 PM) Eastern United States Time on 22 October 2020 we will post the three problems for your consideration in SCUDEM V 2020. The three problems will be in one document with cover sheet found under Black Box "Download PDF" in the upper right of your screen.From that...

  9. Tax benefits for giving to SIMIODE

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    16 Oct 2020 | General Resources

    Tax Benefits for Giving to SIMIODE SIMIODE is a 501(c)3 nonprofit organization worthy of your support. We do recognize that many of us are experiencing financial set-backs (and other setbacks which could be so much more important) during this unprecedented time.  We sympathize...

  10. Modeling in Your Differential Equations Course - Metro NExT Meeting

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    22 Sep 2020 | Presentations | Contributor(s): Brian Winkel

    These are the slides used biy Brian Winkel, Director SIMIODE, for his presentation, "Modeling in Your Differential Equations Course," offered at the 26 September 2020 - Metro NExT Meeting (MAA Metro NY Section Project NExT). 

  11. 1-119-S-DairyFarming

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    20 Sep 2020 | Modeling Scenarios | Contributor(s): Rob Krueger

    A simple first order population growth model is presented.  The challenge is to produce a final differential equation which is the result of the difference or ratio of birth and death rates. This ratio is not immediately intuitive.

  12. Meeting Software Platforms for SCUDEM V 2020 Teams

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    19 Sep 2020 | General Resources | Contributor(s): Brian Winkel

    This is a brief introduction to some Meeting Software Platforms for SCUDEM V 2020 Teams with links and a few comments. However, it is up to the individuals, what their institution provides, and personal choices, as to which platform they use.

  13. 9-002-S-GroundWaterFlow

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    31 Aug 2020 | Modeling Scenarios | Contributor(s): Jeremy Christman, Michael Karls, Kenneth H. Luther

    The goals of this project are to compare a conceptual one-dimensional groundwater flow model to observations made in a laboratory setting, and to discuss the differences. We derive the initial groundwater flow equation, and guide students through a solution. We describe the laboratory set up and...

  14. SMB2020 Talk SIMIODE - LSD Modeling and Arithmetic Performance, Modeling Falling Column of Water, Yeast Modeling

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    16 Aug 2020 | General Resources | Contributor(s): Brian Winkel

    SMB2020 Talk SIMIODE - Original Title:  SIMIODE - Systemic Initiative for Modeling Investigations and Opportunities with Differential Equations:%5C%5CBiological EffortsAdapted Totle: LSD Modeling and Arithmetic Performance, Modeling Falling Column of Water, Yeast ModelingThis is the...

  15. Questions and Answers from 13 August 2020 SIMIODE Panel and Q&A on Remote Teaching Modules

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    14 Aug 2020 | General Resources | Contributor(s): Corban Harwood, Audrey Malagon, Therese Shelton, Patrice Geary Tiffany, Brian Winkel

    We enclose the Chat questions and panel responses from the 13 August 2020 SIMIODE Panel and Q&A on Remote Teaching Modules. We thank the participants for stimulating questions.

  16. 1-096-S-OpAmpDifferentiator

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    09 Aug 2020 | Modeling Scenarios | Contributor(s): Virgil Ganescu

    In this validation-oriented setup, the output waveform (function) of a operational amplifier type of differentiator circuit is determined analytically from the first order governing ordinary differential equation and the results are compared with the data acquired from analyzing the numerical...

  17. Numerical Simulation of Ebola Outbreak

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    01 Aug 2020 | Presentations

    The Ebola virus disease is a serious infectious disease with the highest mortality rate that is considered as one of the most contagious diseases. Our goal is to construct a mathematical model to devise the optimal Ebola outbreak simulation, and through a numerical simulation predict the behavior...

  18. Panel and Q&A Presentation on Remote Teaching Modules

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    28 Jul 2020 | Presentations | Contributor(s): SIMIODE Leadership Team

    This PowerPoint is for the Panel and Q&A Presentation on Remote Teaching Modules to be held at 4 PM Eastern US Time on Thursday, 13 August 2020. This is with reference to materials found at https://www.simiode.org/modules.

  19. Modeling Guide and Resources for Student and Coach

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    25 Jul 2020 | General Resources | Contributor(s): William Clark, Anthony Stefan

    This is a Modeling Guide for SCUDEM V 2020 and a set of Useful Resources prepared by Anthony Stefan, Florida Institute of Technology, Melbourne FL USA and William Clark, Dixie State University, St. George UT USA serving as Science Gateway Community Institute and SIMIODE Summer 2020...

  20. 3-105-S-FrequencyResponse

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    22 Jul 2020 | Modeling Scenarios | Contributor(s): Brian Winkel

    We describe the frequency response to a second order differential equation with a driving function as the maximum steady state solution amplitude and perform some analyses in this regard.