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Duncan Carlsmith


University of Wisconsin - Madison

Last seen: 1 day ago Active since 2022

Followers: 3   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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MATLAB Answers

10 Questions
16 Answers

File Exchange

126 Files

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6,133
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8

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10 Questions
16 Answers

ANSWER ACCEPTANCE
80.0%

VOTES RECEIVED
4

RANK
2,063 of 20,660

REPUTATION
875

AVERAGE RATING
4.20

CONTRIBUTIONS
126 Files

DOWNLOADS
337

ALL TIME DOWNLOADS
7102

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of 163,577

CONTRIBUTIONS
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0 Solutions

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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
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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.

1 day ago | 0 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.

7 days ago | 3 downloads |

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.

14 days 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.

15 days ago | 7 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...

16 days 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*...

18 days ago | 0

Submitted


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

22 days ago | 10 downloads |

0.0 / 5
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Submitted


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

28 days 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.

30 days ago | 7 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 ...

1 month 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.

1 month ago | 8 downloads |

0.0 / 5
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Submitted


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

1 month ago | 4 downloads |

0.0 / 5
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Submitted


Squeezed Quantum States in Two Dimensions
Live Script exploring numerical integration of the time-dependent Schrödinger equation in two dimensions with squeezed coherent ...

2 months ago | 5 downloads |

0.0 / 5
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Submitted


Thermodynamic Cycle Explorer
Live Script exploring Atkinson, Brayton, Carnot, Diesel, Ericsson, Otto, and Stirling heat engines.

2 months ago | 12 downloads |

5.0 / 5
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Submitted


Quantum Delocalization and Revival
Live Script exploring the time-dependent Schrödinger equation in one dimension and wave function delocalization and revival.

2 months ago | 4 downloads |

0.0 / 5
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Submitted


Quantum Mechanics in 3D with the PDE Toolbox
Computes eigenstates of the Schrodinger equation in three dimensions for various geometries and potential functions.

3 months ago | 5 downloads |

0.0 / 5
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Submitted


Quantum Mechanics in 2D with the PDE Toolbox
Computes 2-dimensional quantum eigenstates for arbitrary geometries and potentials.

3 months ago | 3 downloads |

0.0 / 5
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Submitted


Quantum Mechanics in 1D with the PDE Toolbox
Live script exploring eigenstates of the Schrodinger equation in one dimension with the PDE Toolbox.

3 months ago | 3 downloads |

0.0 / 5
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Submitted


Numerical Quantum Mechanics in 3D III
Live Script exploring 2nd-6th-order finite element methods and variable grid density to solve 3D quantum eigenvalue problems.

3 months ago | 1 download |

0.0 / 5
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Submitted


Numerical Quantum Mechanics in 3D II
Live script exploring three-dimensional bound states of a quantum particle with a 4th-order finite difference method.

3 months ago | 2 downloads |

0.0 / 5
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Submitted


Airy Function Zeros
Finds zeros of the Airy functions Ai and Bi and of their first derivatives numerically.

3 months ago | 2 downloads |

0.0 / 5
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Submitted


Numerical Quantum Mechanics in 3D
Live Script exploring numerical solutions to the time-independent Schrodinger equation in three dimensions.

3 months ago | 2 downloads |

0.0 / 5
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Submitted


One-dimensional Quantum Bound State Explorer
Live Script exploring numerical solution of the time-independent 1-D Schrodinger equation.

3 months ago | 1 download |

0.0 / 5
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Submitted


Sinusoidal Signal Significance Explorer
Live Script illustrating hypothesis tests with a noisy sinusoidal signal.

3 months ago | 1 download |

0.0 / 5
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Submitted


Access DeepSeek AI via API
Live Script illustrating how to access DeepSeek AI programmatically via API.

3 months ago | 13 downloads |

0.0 / 5
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Submitted


Galton Board Explorer
Live Script simulating a particle falling through a lattice of polygonal objects.

3 months ago | 2 downloads |

0.0 / 5
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Submitted


Algebraic Curve Intersection Explorer
Live Script finding intersections of affine algebraic curves.

3 months ago | 1 download |

0.0 / 5
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Submitted


Implicit Function Parameterization Explorer
Live script exploring parameterization of implicit functions.

3 months ago | 5 downloads |

0.0 / 5
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Submitted


Access Perplexity AI Via API
Live Script illustrating how to access Perplexity.AI API, open citation URLs, and create MATLAB codes.

4 months ago | 2 downloads |

0.0 / 5
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Question


Partial Autocorrelation parcorr bug?
When running parcorr on a sample of normally distributed noise, I get some strange results like one illustrated below. Others ar...

4 months ago | 1 answer | 0

1

answer

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