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Jacob Lynch August


Last seen: 3 years ago |  Active since 2014

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Mechanical Engineer in R&D
Professional Interests: Control Systems

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Answered
Calling superclass method outside of redefined method
I went back to the author and brought up these techniques. He agrees that the level of hackery is unforuntate, but this is what ...

4 years ago | 0

| accepted

Question


Calling superclass method outside of redefined method
I have an "DataAnalyzer" classdef that has a method that slowly computes exact solutions to certain queries. classdef DataAnal...

4 years ago | 3 answers | 1

3

answers

Submitted


kDTree
Get arrays representing the k-D tree of positional data.

4 years ago | 2 downloads |

Submitted


ikdtree
Get arrays representing the k-D tree of positional data.

4 years ago | 1 download |

Question


Nested Functions vs Object-Oriented Programming: k-D Tree example and relative performance
My colleagues tend to criticize my use of nested functions in MATLAB, likening that to the professional no-no of modifying globa...

4 years ago | 2 answers | 1

2

answers

Question


Instantiating an invalid handle object when defining an object as default property definition
A classdef defines some properties which are defined, but have no valid construction. E.g. an event.proplistener. In the example...

4 years ago | 0 answers | 0

0

answers

Answered
Getting an error in a listener callback function to trigger an error in/terminate execution of the calling function
I'm also having the same issue. It would be better if the error stopped execution immediately rather than continue on. For examp...

6 years ago | 0

Question


Defining classdef property validations for gpuArrays
Here are two scenarios I'm unsure how to handle when it comes to constructing class property validations with GPU types. c...

6 years ago | 2 answers | 1

2

answers

Answered
How to clear gpuArray, which is a property of a class, from memory when deleting an object class instance
In the delete method you created for the handle, instead of clear, did you try something F.Z_d(:)=[] or Z_id(:)=[]?

6 years ago | 0

Answered
How to ensure that onCleanup destroys last
<https://www.mathworks.com/matlabcentral/answers/2245-oncleanup-order-of-execution#answer_338728 Try cellular vectors of onCle...

6 years ago | 1

Answered
onCleanup order of execution
onCleanup objects can be stored in a cellular vector, and will be performed first to last. You should know the number of total t...

6 years ago | 1

Question


Make subclasses inheret a method to look for past work
Preface: I am a mechanical engineer with effectively zero background in software engineering. I can read most C/++/#, Java, and ...

7 years ago | 1 answer | 1

1

answer

Answered
syntax for call to java library function with byte[] (reference) parameter?
A SOLUTION I haven't figured out how to pass the byte reference, but I have found a way to read a fixed number of bytes from a ...

7 years ago | 4

Answered
syntax for call to java library function with byte[] (reference) parameter?
_What is a *byte[] buf* in MATLAB, and how do I pass it to read from the GZIP_INPUT_STREAM to retrieve a fixed number of bytes?_...

7 years ago | 0

Answered
syntax for call to java library function with byte[] (reference) parameter?
Bob Gilmore, a software engineer for Mathworks at the time of this <https://www.mathworks.com/matlabcentral/newsreader/view_thre...

7 years ago | 1

Submitted


struct2xml( s, varargin )
Import XML file as MATLAB struct.

7 years ago | 1 download |

Question


Where is the Horizontal property for area plots
I'm trying to create graphics for a presentation involving many inequalities. Several charts define x<=max and x>=min. I've been...

7 years ago | 0 answers | 0

0

answers

Submitted


MLExampleJavaSecurityMessageDigest
Demonstrate how to hash data with Java

7 years ago | 1 download |

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 years ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

7 years ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

7 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

7 years ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

7 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

7 years ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

7 years ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

7 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

7 years ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

7 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

7 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

7 years ago

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