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

1 year ago | 5 downloads |

Submitted

uigetdatetime
Simple Interactive Calendar Tool for MATLAB

1 year ago | 2 downloads |

Submitted

rollingMedian
C-MEX for 2D Rolling Median

1 year ago | 1 download |

Answered
Invalid MEX-file missing dependencies libraries,"cudart64_75.dll" and "nppi64_75.dll" missing ,I Actually wrote the program for cropping of the video frames in rectangle bounding boxes, it is throwing these error.how can i resolve this error?
It's hard to tell your specific problem, but here's a couple suggestions. If you compile the cuda mex in Visual Studio instead ...

2 years ago | 0

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...

2 years ago | 0

| accepted

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

2 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...

2 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...

2 years ago | 2 answers | 2

2

answers

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...

2 years ago | 1

Submitted

matSklearn
MATLAB Wrapper for scikit-learn

2 years ago | 4 downloads |

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...

3 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...

3 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...

3 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...

3 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...

3 years 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...

3 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...

3 years ago | 0

| accepted

Solved

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

3 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...

3 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 ...

3 years ago

Solved

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

3 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. ...

3 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...

3 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 ...

3 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...

3 years ago

Solved

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

3 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...

3 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 ...

3 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...

3 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...

3 years ago | 0 answers | 0

0

answers

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