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Duncan Carlsmith


University of Wisconsin - Madison

Last seen: 1 day ago Active since 2022

Followers: 4   Following: 0

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Physics professor active in computational physics education for 1st-year university students.

Programming Languages:
Python, C++, MATLAB, HTML, Fortran
Spoken Languages:
English

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All
MATLAB Answers

11 Questions
16 Answers

File Exchange

143 Files

RANK
5,145
of 300,321

REPUTATION
10

CONTRIBUTIONS
11 Questions
16 Answers

ANSWER ACCEPTANCE
81.82%

VOTES RECEIVED
5

RANK
1,969 of 20,913

REPUTATION
931

AVERAGE RATING
4.30

CONTRIBUTIONS
143 Files

DOWNLOADS
316

ALL TIME DOWNLOADS
7584

RANK

of 168,093

CONTRIBUTIONS
0 Problems
0 Solutions

SCORE
0

NUMBER OF BADGES
0

CONTRIBUTIONS
0 Posts

CONTRIBUTIONS
0 Public Channels

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  • Thankful Level 3
  • 5-Star Galaxy Level 3
  • 3 Month Streak
  • Personal Best Downloads Level 4
  • GitHub Submissions Level 1
  • First Answer
  • First Submission
  • Explorer
  • First Review

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Submitted


Normal Modes of a System of Masses
Live Script exploring normal modes of four masses densely connected by springs moving in one dimension.

7 hours ago | 0 downloads |

0.0 / 5
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Submitted


Mobile Phone Pendulum Doppler Experiment
Live Script analysis of data from mobile phone pendulum Doppler shift experiment.

3 days ago | 0 downloads |

0.0 / 5
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Submitted


Relativistic Chaotic Motion Explorer
Live Script exploring chaos in relativistic mechanics with a quartic potential in two dimensions.

8 days ago | 4 downloads |

0.0 / 5
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Question


MATLAB online video creation trouble
The following test code runs in 3 seconds natively with v2025a but stalls and never completes in MATLAB online. Any suggestion a...

9 days ago | 1 answer | 0

1

answer

Submitted


Two-dimensional Newton Cradles
Live Script simulating two-dimensional arrays of colliding pendulums.

13 days ago | 7 downloads |

0.0 / 5
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Submitted


Relativistic motion in a Coulomb field
Live Script exploring motion of a relativistic particle in an inverse-square law force field.

22 days ago | 2 downloads |

0.0 / 5
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Submitted


Exact 3D Doppler Effect Explorer
Analytic formulae and simulations of exact Doppler effects for arbitrary motions in 3D.

27 days ago | 2 downloads |

0.0 / 5
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Submitted


Newton's Cradle Simulation
Live script simulation of various Newton's cradles.

2 months ago | 7 downloads |

0.0 / 5
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Submitted


Web Scraper with Screenshots
Example web page scraper saving text, images, and screenshots.

2 months ago | 4 downloads |

0.0 / 5
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Submitted


MicroObservatory Robotic Telescope Explorer
Live Script image processing for Harvard MicroObservatory Robotic Telescope Network images.

2 months ago | 2 downloads |

0.0 / 5
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Submitted


Saturn moon shape visualizer
Live Script that downloads and visualizes shape models for Saturn's moons.

3 months ago | 1 download |

0.0 / 5
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Submitted


Moon Model Viewer
Live Script and App to view and compare surface models of planetary moons.

3 months ago | 1 download |

0.0 / 5
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Submitted


Pendulum Doppler Effect Theory and Simulation
Live Script simulation of the Doppler effect for a source on the end of a nonlinear pendulum.

3 months ago | 6 downloads |

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Submitted


Skyfield Night Sky Explorer
Live Script illustrating programmatic night-sky simulation and Python integration with Skyfield.

3 months ago | 3 downloads |

0.0 / 5
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Submitted


Two-Dimensional Tetherball Explorer
Live Script exploring a ball wrapping a tether around a pole in two dimensions.

3 months ago | 1 download |

0.0 / 5
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Submitted


Camera View Transformer
Live Script that transforms an image to a new image as seen with a different camera orientation.

3 months ago | 1 download |

0.0 / 5
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Submitted


Instantaneous Frequency Explorer
Live Script exploring methods to estimate the instantaneous frequency of a quasi-harmonic signal.

3 months ago | 1 download |

0.0 / 5
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Submitted


Infrared Science Archive Explorer
Live Script exploring IRSA astronomy images via API.

3 months ago | 3 downloads |

0.0 / 5
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Submitted


SgrA Black Hole Stellar Orbit Explorer
Live Script illustrating fits to observations of stars orbiting the black hole in the center of the Milky Way.

4 months ago | 2 downloads |

0.0 / 5
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Submitted


Markov Chain Monte Carlo Stellar Orbit Fit Explorer
Live Script exploring Markov chain Monte Carlo fits to observations of stars orbiting a black hole.

4 months ago | 1 download |

0.0 / 5
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Answered
Why Import data still does not work with CSV files in R2022a ?
I ran into this today and the suggested fixes didn't work. The problem was I had a '*' in an enclosing folder name.

4 months ago | 0

Submitted


Identify Objects Acoustically with a Neural Network
Live Script exploring how to classify objects using their acoustic signatures with a neural network.

4 months ago | 3 downloads |

0.0 / 5
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Answered
How do I freqency shift a signal by a fractional amount using IFFT and FFT?
%% Frequency-Shift Demo with Synthetic Audio % This script creates a 1-s synthetic audio signal consisting of four % sinusoids...

4 months ago | 0

Answered
How do I freqency shift a signal by a fractional amount using IFFT and FFT?
analytic_segment = hilbert(segment); % Complex analytic signal shifted_segment = real(analytic_segment .* exp(1j*2*pi*f_shift*...

4 months ago | 1

Submitted


Acceleration of Gravity using the Doppler Effect
Live Script illustrating how to measure 'g' by dropping your phone.

4 months ago | 3 downloads |

0.0 / 5
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Submitted


Feedforward Network Explorer
Live Script exploring linear and nonlinear feedforward fully-connected neural networks.

5 months ago | 4 downloads |

0.0 / 5
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Submitted


Neural Network Frequency and Phase Detector
Live Script illustrating detection of frequency and phase of a noisy signal with a neural network.

5 months ago | 2 downloads |

0.0 / 5
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Question


File Exchange submission post ransomware
I tried to submit to File Exchange today using Chrome and then Safari and the required Summary shows a title but no entry field ...

5 months ago | 1 answer | 0

1

answer

Submitted


Quantum Reflectionless Potential Well Explorer
Live Script exploring reflectionless potential wells through numerical integration of the Schrödinger equation.

5 months ago | 2 downloads |

0.0 / 5
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Submitted


How to Hook a Bowling Ball
Live Script exploring a simple bowling model numerically.

5 months ago | 2 downloads |

0.0 / 5
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