You are here: Home / Resources / Browse Resources

Open. Adaptable. Free.

Resources created by our members and partners.

The QUBES platform hosts hundreds of teaching materials, reference materials, and cloud-based software free to use and adapt using open Creative Commons licenses.

Text Search:
Applied Filters
    2003-Fay-Graham-Coupled spring equations
    Coupled spring equations for modelling the motion of two springs with weights attached, hung in series from the ceiling are described.

    Keywords: spring massoscillationHooke's Lawcoupled springsperiodicforcing functionphase portrait

    118

    views

    61

    downloads

    0

    comments

    0

    adaptations

    2003-Fay-Graham-Coupled spring equations
    Coupled spring equations for modelling the motion of two springs with weights attached, hung in series from the ceiling are described.

    Keywords: massoscillationspring\coupled springsperiodicfporcing

    136

    views

    79

    downloads

    0

    comments

    0

    adaptations

    1967-Israelsson- Johnsson-Circumnutations In Helianthus Annuus
    A theory is given for circumnutations in plants, especially hypocotyls of Helianthus annuus, which were used as experimental material.

    Keywords: plantoscillationdelaycircumnutationturning

    166

    views

    38

    downloads

    0

    comments

    0

    adaptations

    1-088-RoomTemperature-ModelingScenario
    Students will analyze temperature variations in a room using Newton's Cooling Law. In this model, the only influence on the indoor temperature is the (oscillating) outdoor temperature (as we assume...

    Keywords: environmentclimatetemperatureNewton's Law of Coolingcoolingperiodic function

    288

    views

    310

    downloads

    0

    comments

    0

    adaptations

    2010-Keesom-EtAl-Fishing for Answers Investigating Sustainable Harvesting Ra
    The purpose of this report is to determine and propose a model by which an optimal harvesting frequency can be determined to maintain a steady population of Alaskan salmon.

    Keywords: fisheriesEuler's methodnonlinearlogistic harvestingcanabalismsalmon

    141

    views

    76

    downloads

    0

    comments

    0

    adaptations

    2016-I-Liang_Chern-Mathematical Modeling_and_Ordinary_Differential_Equations
    We let the author's Table of Contents speak for itself.

    Keywords: differential equationsmodelingtextbook

    210

    views

    50

    downloads

    0

    comments

    0

    adaptations

    2001-Knisley-Kerley-Using data to motivate the models used in introductory differential equations
    In this paper, the data itself is used to motivate mathematical models in introductory mathematics courses. In doing so, various regression and optimization techniques are illustrated.

    Keywords: regressionlogisticTorricelli's Lawgrowthperiodic process

    119

    views

    52

    downloads

    0

    comments

    0

    adaptations

    Garden Variety Mutations: Using Primary Data to Understand the Central Dogma in Large-Lecture Introductory Biology
    The ability to interpret and create an argument from data is a crucial skill for budding scientists, yet one that is seldom practiced in introductory courses. During this argumentation module,...

    Keywords: mutationtranscriptiongene expressioncentral dogmatranslationgel electrophoresisGenotype/Phenotype

    3381

    views

    275

    downloads

    0

    comments

    0

    adaptations

    1935 GFGause Article Predator Prey Oscillations
    N/A

    Keywords: Lotka-Volterrapredatorparameciumpreycycleoscillate

    155

    views

    66

    downloads

    0

    comments

    0

    adaptations

    2011-Radouane_Yafia-A Study of Differential Equations Modeling Malignant Tumor Cells in Competition with Immune System
    In this paper, we present a competition model of malignant tumor growth that includes the immune system response. The model considers two populations: immune system (effector cells) and population...

    Keywords: Immunologytumorhopf bifrucation

    232

    views

    54

    downloads

    0

    comments

    0

    adaptations

    3-004-VanderPol-ModelingScenario
    This paper presents an electronic spreadsheet model of the Van der Pol oscillator, a well-known nonlinear second-order ordinary differential equation.

    Keywords: phase planeVan der Pol oscillatorlimit cycleRunge-Kutta methodLienard equation

    245

    views

    473

    downloads

    0

    comments

    0

    adaptations

    6-075-LorenzSystemSimulation-ModelingScenario
    The Lorenz system is examined by students as a simple model of chaotic behavior or strange attractor. MATLAB code is created to find the numerical solutions of the Lorenz’ system of nonlinear...

    Keywords: chaososcillatorLorenzwaterwheelstrange attractorbifurcation effect

    205

    views

    216

    downloads

    0

    comments

    0

    adaptations

    Piwi Matters
    This case focuses on understanding structure and function relationships in Piwi, a protein that is critical for germline stem cell function and development of eggs in the fruit fly ovary.

    Keywords: Stem cellsmolecular visualization and analysis3D protein structure /function analysisPiwiPDBMolecular Case Study

    1412

    views

    594

    downloads

    0

    comments

    1

    adaptations

    Nature’s Flying Machines: The Evolutionary Relationship of Avian Form & Function
    In this series of activities, birds will be used as the model organism. The modules examine the connections between body form and function over time by investigating the relationship between avian...

    Keywords: evolutionary ecologyCommunity Ecology

    1451

    views

    1693

    downloads

    0

    comments

    0

    adaptations

    2006-Cooke-Elderkin-Huang-Predator-Prey interactions with delays due to juvenile maturation
    This paper focuses on predator-prey models with juvenile/mature class structure for each of the predator and prey populations in turn, further classified by whether juvenile or mature individuals...

    Keywords: predator-preyhost-parasitebifurcationage structrematuration delay

    145

    views

    50

    downloads

    0

    comments

    0

    adaptations

    2004-Jones-Song-Thomas-Controlling wound healing through debridement
    In this article, a system of differential equations that models slough/wound interaction is developed.

    Keywords: bacteriawound healinghealingderidingisocline

    146

    views

    50

    downloads

    0

    comments

    0

    adaptations

    2003-Yildirim-Mackey-Feedback Regulation in the Lactose Operon
    A mathematical model for the regulation of induction in the lac operon in Escherichia coli is presented.

    Keywords: mRNAlactoselactose operonfeedback regulation

    194

    views

    55

    downloads

    0

    comments

    0

    adaptations

    Quantifying and Visualizing Campus Tree Phenology
    This lesson, published on CourseSource, enables collaborative teams to collect, quantify, and analyze observable seasonal changes in nature.

    Keywords: ecologyBiodiversityphenologyplant biologyCourseSource

    1163

    views

    208

    downloads

    0

    comments

    0

    adaptations

    Louse Genetics, Genomics, and Gene Function...Oh My!
    In this module, students will be investigating a louse gene with an unknown function to determine if it might be important in the evolution of the louse ecomorphs.

    Keywords: parasitesgenomicsgene sequence analysisFunctional Genomics

    1653

    views

    684

    downloads

    0

    comments

    0

    adaptations

    2008-Luis_San_Andrés-Dynamic Response of Second Order Mechanical Systems with Viscous Response Forces
    Walk through the cases in context of second order linear constant coefficient differential equation with driving function

    Keywords: driving functionviscousmechanical system

    114

    views

    35

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search