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Peter Cook


Last seen: 1 year ago Active 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

4 years ago | 1 download |

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Submitted


uigetdatetime
Simple Interactive Calendar Tool for MATLAB

4 years ago | 1 download |

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Submitted


rollingMedian
C-MEX for 2D Rolling Median

5 years ago | 1 download |

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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...

5 years ago | 0

| accepted

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

5 years 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 years 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...

5 years ago | 3 answers | 3

3

answers

Answered
[DISCONTINUED] 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...

6 years ago | 1

Submitted


matSklearn
MATLAB Wrapper for scikit-learn

6 years ago | 2 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...

6 years 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...

6 years 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...

6 years 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...

6 years 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...

6 years ago | 3 answers | 2

3

answers

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...

6 years 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...

6 years ago | 0

| accepted

Solved


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

6 years 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...

6 years 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 ...

6 years ago

Solved


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

6 years 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. ...

6 years 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...

6 years 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 ...

6 years 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...

6 years ago

Solved


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

6 years 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...

6 years 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 ...

6 years 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...

6 years 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...

6 years ago | 0 answers | 0

0

answers

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