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Peter Cook


764 total contributions since 2010

B.S. Ch.E. working in oil & gas tech development.
Professional Interests: Fiber optics - distributed acoustic sensing (DAS) & distributed temperature sensing (DTS) and microseismic imaging for applications in fracture and reservoir monitoring.

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Submitted


csearch
Fast C-MEX for Array Lookups and Masking

19 jours ago | 4 downloads |

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Submitted


uigetdatetime
Simple Interactive Calendar Tool for MATLAB

environ un mois ago | 2 downloads |

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Submitted


rollingMedian
C-MEX for 2D Rolling Median

environ 2 mois ago | 2 downloads |

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Answered
Continuously overwriting plot in a loop
Since dist is the same for each loop iteration, and you are only updating model, you should return a handle to the line object b...

4 mois ago | 0

| accepted

Answered
Regression tree and AIC
The default optimizer is Bayesian, could you extract the BIC & rescale it to AIC?

4 mois ago | 0

Question


Is it Possible to Assign Aligned Memory to a *mxArray?
I am trying to use an Intel Intrinsics routine in a mex function (the sandbox function call shown here is just a matrix transpos...

5 mois ago | 1 answer | 0

1

answer

Question


MATLAB Crashes when Using Conda Environment Other than Base
I am having trouble using a custom conda environment in MATLAB. Here's the code I use to bootstrap a conda environment with a fe...

6 mois ago | 1 answer | 1

1

answer

Answered
MATLAB Answers Wish-list #4 (and bug reports)
I'd like to see python-like support for Git/GitHub requirements.txt files. Python (pip) automatically clones additional repo...

environ un an ago | 1

Submitted


matSklearn
MATLAB Wrapper for scikit-learn

plus d'un an ago | 13 downloads |

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Question


OOP/Class Questions: deepcopy & AbortSet
1. What is the correct way to deepcopy an instance of a class/object whose superclass is type `handle`? `copyobj` doesn't seem t...

plus d'un an ago | 1 answer | 0

1

answer

Question


MATLAB + GIT or GitHub User Survey
Do you: 1. Manually switch directories to edit code that lives in your repository? i.e. cd C:\%USERPROFILE%\Documents\Gi...

plus d'un an ago | 0 answers | 0

0

answers

Answered
Recursive Search for All Possible Paths Between 2 Nodes
You should check out the graph class. https://www.mathworks.com/help/matlab/ref/graph.html Most common graph operations are i...

plus d'un an ago | 0

Question


addlistener Behavior/Syntax
I've got a listener on an axes object that listens for changes to either XLim or YLim and fires a callback based on the new axes...

plus d'un an ago | 1 answer | 1

1

answer

Question


OOP - Sealed Superclasses
I am trying to create a custom class to overload the MATLAB image object but am getting this error message: Class 'matlab.g...

plus d'un an ago | 1 answer | 1

1

answer

Answered
Two knob slider for a GUI or app
I have dabbled with this a couple times myself. As Adam mentioned, you could use a range slider, but what if you want multiple t...

plus d'un an ago | 1

Answered
Odd getrect(FIG) behavior with subplots (r2015b)
Since the desired subplot is not known ahead of time, I ended up using this block of code to first figure out which axes was cli...

plus d'un an ago | 0

| accepted

Solved


Acid and water
⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...

plus d'un an ago

Solved


5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

plus d'un an ago

Solved


Sums of Distinct Powers
You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

plus d'un an ago

Solved


Digit concentration in Champernowne's constant
Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...

plus d'un an ago

Solved


Is this a valid Tic Tac Toe State?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

plus d'un an ago

Solved


Cache me Outside
The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

plus d'un an ago

Solved


Hexagonal numbers on a spiral matrix
Put hexagonal numbers in a ( m x m ) spiral matrix and return the sum of its diagonal elements. Formula of hexagonal numbers ...

plus d'un an ago

Solved


Pair Primes
Let's define pair primes as follow; * *For 2 digits numbers:* 11 and 17 are pair primes because both of them are 2 digits pri...

plus d'un an ago

Solved


Circumscribed Pentagon?
Building off of <https://www.mathworks.com/matlabcentral/cody/problems/44368 Problem 44368>, your function will be provided with...

plus d'un an ago

Solved


Inscribed Pentagon? 2
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

plus d'un an ago

Solved


Parse me a Lisp
*Description* In Lisp and its variants, function calls are done using parenthesis where the first item in the parenthesis is ...

plus d'un an ago

Solved


Pandigital Multiples of 11 (based on Project Euler 491)
A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the cy...

plus d'un an ago

Question


Benchmarks for memmapfile vs fread
Has anyone (The MathWorks?) measured & collected benchmarks for memmapfile versus fread (for various file sizes, binary file str...

plus d'un an ago | 0 answers | 0

0

answers

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