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  1. 1-109-T-EmployeeAttrition

    25 Mar 2019 | Modeling Scenarios | Contributor(s): Lyle Clifford Smith

    This scenario models the loss of employees and the employer's attempt to retain them through stock options. It most naturally is solved with a first-order linear decay model with two populations. This is intended for introductory students and is paired well with exponential growth/decay...

  2. 5-005-Text-T-StiffDifferentialEquations

    05 Mar 2019 | Technique Narratives | Contributor(s): Kurt Bryan

    This material introduces the topic of ``stiffness'' for a system of ordinary differential equations (ODE's), through a series of examples.Stiffness is a property that a system of ODE's may possess that make it difficult to solve numerically with standard methods, and it is a...

  3. 5-005-Text-S-StiffDifferentialEquations

    05 Mar 2019 | Technique Narratives | Contributor(s): Kurt Bryan

    This material introduces the topic of ``stiffness'' for a system of ordinary differential equations (ODE's), through a series of examples.Stiffness is a property that a system of ODE's may possess that make it difficult to solve numerically with standard methods, and it is a...

  4. 1-125-T-DiceyPopulations

    04 Mar 2019 | Modeling Scenarios | Contributor(s): Brian Winkel

    We offer students an opportunity to generate unique data for their team on a death and immigration model using 12 and 20 sided dice and then pass on the data to another student team for analysis with a model they built. The key is to recover the parameters and try to explain how the simulation...

  5. 1-125-S-DiceyPopulations

    04 Mar 2019 | Modeling Scenarios | Contributor(s): Brian Winkel

    We offer students an opportunity to generate unique data for their team on a death and immigration model using 12 and 20 sided dice and then pass on the data to another student team for analysis with a model they built. The key is to recover the parameters and try to explain how the simulation...

  6. 1-077-S-RLMSimSeriesCircuit

    03 Mar 2019 | Modeling Scenarios | Contributor(s): Virgil Ganescu

    In this validation-oriented setup, the first order linear ordinary differential equation governing a small signal RL series AC circuit is solved analytically and the results are compared with the data acquired from analyzing the numerical model (using Multisim) of the circuit. This is compared...

  7. 1-077-T-RLMSimSeriesCircuit

    03 Mar 2019 | Modeling Scenarios | Contributor(s): Virgil Ganescu

    In this validation-oriented setup, the first order linear ordinary differential equation governing a small signal RL series AC circuit is solved analytically and the results are compared with the data acquired from analyzing the numerical model (using Multisim) of the circuit. This is compared...

  8. 1-042-Kool-Aid Modeling Video

    24 Feb 2019 | General Resources | Contributor(s): Dina Yagodich

    This is a video which can be used with students after they have worked on the Modeling Scenario 1-042-KoolAid. Dina Yagodich, Frederick Community College, Frederick MD USA produced the video in support of her students who thoroughly enjoyed doing this Modeling Scenario.This video is only...

  9. 1-143-S-PopulationModelVariationsMATLAB

    17 Feb 2019 | Modeling Scenarios | Contributor(s): Bill Skerbitz

    Students will walk through a detailed derivation and review of basic population models (exponential and logistic) to create and understand variations of those models while learning some basic MATLAB functions for working with differential equations.  They will also work with other utilities...

  10. 1-143-T-PopulationModelVariationsMATLAB

    17 Feb 2019 | Modeling Scenarios | Contributor(s): Bill Skerbitz

    Students will walk through a detailed derivation and review of basic population models (exponential and logistic) to create and understand variations of those models while learning some basic MATLAB functions for working with differential equations.  They will also work with other utilities...

  11. AMS Special Session on Using Modeling to Motivate the Study of Differential Equations - JMM 2019, Baltimore MD USA

    20 Jan 2019 | Presentations | Contributor(s): Brian Winkel

    We offer the presentation for  AMS Special Session on Using Modeling to Motivate the Study of Differential Equations, I  in Room 336, BCC, 19 January 2019, 8:00 AM -11:50 AM held at the Joint Mathematics Meetings 2019, Baltimore MD USAAs we assemble them the presentations are...

  12. Project NExT Panel Talk - Effective Use of Technology in Mathematics Classrooms

    20 Jan 2019 | Presentations | Contributor(s): Brian Winkel

    These are the slides of a talk given by Brian Winkel, Director, SIMIODE, as part of a panel presentation and discussion to Project NExT Session at Joint Mathematics Meetings 2019, Baltimore MD USA on Wednesday, 16 January 2019.

  13. Opportunities for Community in Using Modeling to Teach Differential Equations at SIMIODE

    20 Jan 2019 | Presentations | Contributor(s): Brian Winkel

    These are the slides of a talk given by Brian Winkel, Director, SIMIODE, at the AMS Special Session on Using Modeling to Motivate the Study of Differential Equations held at the Joint Mathematics Meetings 2019, Baltimore MD USA

  14. JMM 2019 SCUDEM for Students and Faculty Presentation

    20 Jan 2019 | Presentations | Contributor(s): Brian Winkel

    These are the slides for the talk by Dr. Brian Winkel, Director SIMIODE, entitled "Student Competition Using Differential Equations Modeling: SCUDEM for Students and Faculty," given Thursday, 17 January 2019 at the Joint Mathematics Meetings in Baltimore MD USA.

  15. MAA Workshop JMM2019 - Making it Happen: Modeling in Your Differential Equations Course

    19 Jan 2019 | Presentations | Contributor(s): Brian Winkel

    This is the complete set of slides for the MAA Workshop, Making it Happen: Modeling in Your Differential Equations Course, offered at the Joint Mathematics Meetings, 2019, Baltimore MD USA, Thursday, 17 January 2019.Workshop Leaders were:Audrey Malagon, Virginia Wesleyan UniversityRachel...

  16. 1-003-T-Text-IntroNumericalMethods

    10 Jan 2019 | Technique Narratives | Contributor(s): Brian Winkel

    We develop elementary approaches to numerically solving first order differential equations with Euler's Method and Improved Euler's Method. We ask students to develop these geometrically and to compute numeric solutions and compare them to the analytic solutions for a number of different...

  17. 1-003-S-Text-IntroNumericalMethods

    10 Jan 2019 | Technique Narratives | Contributor(s): Brian Winkel

    We ask students to develop two numerical methods for solving first order differential equations  geometrically and to compute numeric solutions and compare them to the analytic solutions for a number of different step sizes. 

  18. SCUDEM III 2018 - Author Commentary on Problems and Submissions

    06 Jan 2019 | General Resources | Contributor(s): Kelly Black

    The Fall 2018 SIMIODE Challenge Using Differential Equations Modeling (SCUDEM III 2018) featured three problems. Some observations of the work submitted by the student teams is given here. It is assumed that the reader is familiar with the three problems which are available on the SIMIODE website.

  19. Opportunities for Community in Using Modeling to Teach Differential Equations at SIMIODE

    03 Jan 2019 | Presentations | Contributor(s): Brian Winkel

    SIMIODE – Systemic Initiative for Modeling Investigations and Opportunities with Differential Equations  (www.simiode.org) is an online and vibrant community of students and teachers interested in using modeling to motive the study of differential equations. SIMIODE, a no-profit...

  20. 2015-Yrogovchenko-ModelingAlcoholConsumption - PowerPoint

    16 Dec 2018 | Potential Scenario Ideas | Contributor(s): Brian Winkel

    Article Review and AnnotationRagovchenko, Yuriy. 2015. Dull, dizzy, or dead: Models of Alcohol Consumption in Undergraduate Teaching. Presented  in Brno NORWAY. 7 December 201. Power Point Presentation.This PowerPoint  presentation has lots of basic data on laws, levels of alcohol, and...