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Results #1-#10 of 63
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Visual Differential Equation Solver Applet 
  
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100
Byline:
P. Falstad
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This applet graphs the solutions of several differential equations. The differential and the source term can both be adjusted. Constants on both sides of the equation can be changed,…
http://www.falstad.com/diffeq/
Physical Review Physics Education Research
Students’ difficulties with partial differential equations in quantum mechanics 
  
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T. Tu, C. Li, C. Zhou, and G. Guo, Phys. Rev. Phys. Educ. Res., 16 (2), 020163 (2020).
Upper-division physics students solve partial differential equations in various contexts in quantum mechanics courses. Separation of variables is a standard technique to solve these…
https://doi.org/10.1103/PhysRevPhysEducRes.16.020163
“Rules without a Reason”: ODEs in a concept image framework  [ Conference Proceedings ]
  
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A. Fung and M. Loverude
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A. Fung and M. Loverude, PERC 2022 Proceedings, 188-193.
Elementary ODEs are seen as prerequisite knowledge gained from the introductory calculus sequence for any physics student entering the upper division. In this paper, we provide…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=16230&DocID=55...
Trajectories in Electric and Magnetic Fields JS Model  [ Computer Program ]
  
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W. Christian
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The Trajectories in Electric and Magnetic Fields model computes a family of trajectories of charges emitted from a point source isotropically and with the same energy. These…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=16531&DocID=57...
Chemical Reactions JS Model  [ Computer Program ]
  
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F. Fernandes
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The Chemical Reactions JavaScript Model integrates the rate equations of the mechanism proposed by Pearson et al for the formation reaction of cholesterylisothiuronium tosylate from…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=16998&DocID=60...
Elastic Wave on a String JS Model 
  
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K. Papamichalis
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The Elastic Wave on a String JS Model shows the motion of a mechanical system consisted of an oscillator attached at the edge of a semi-infinite elastic string. The oscillator…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=15560&DocID=54...
Autopilot: heading control  [ Computer Program ]
  
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N. Magdelaine
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The Ship Heading Control zip file contains four ready to run Java programs (jar files) and pdf documentation. The simulations display a ship (vessel) with a heading that is…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=15339&DocID=52...
Level Control - PID with feedforward action (lead-lag)  [ Computer Program ]
  
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N. Magdelaine
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The Level Control zip file containsa ready to run Java programs (jar file) and pdf documentation. The system is a tank. The admission valve is controlled. The consumption flow…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=15349&DocID=52...
Closed-loop tuning methods  [ Computer Program ]
  
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N. Magdelaine
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The Closed-loop tuning methods zip file contains 3 ready to run Java programs (jar file) and pdf documentation. Those simulations allow to practice the closed-loop tuning methods:…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=15350&DocID=52...
European Journal of Physics
Some aspects of students' conceptions and difficulties about differentials 
  
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M. Artigue, Eur. J. Phys., 11 (5), 262-267.
Students' conceptions and difficulties about differentials have been investigated in mathematics and physics in an interdisciplinary investigation. The first results suggest that…
https://doi.org/10.1088/0143-0807/11/5/002
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Results #1-#10 of 63