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# Alexander Cochran

15 total contributions since 2016

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matlab-pkg-install
A simple package for automating adding MATLAB packages/folders to the MATLAB search path on startup.

Question

Package folders in class folders
In MATLAB, a class folder is represented by `foo/@bar/` and a package folder is represented by `foo/+bar`. In my hierarchy, I ha...

1 year ago | 0 answers | 0

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Question

Pairing MLAPP (AppDesigner) Apps With Other Classes
I'm currently building an object-oriented system that groups medical imaging data together for processing. I wish to make the sy...

1 year ago | 1 answer | 0

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Question

Get data from appdesigner GUI application in another class
I have a series of classes I'm building to maintain a data hierarchy. I want to be able to use a collection of GUIs in order to ...

1 year ago | 0 answers | 0

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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...

3 years ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

4 years ago

Solved

While loop with multiple conditions
Write a while loop that multiplies userValue by 2 while userValue is not 10 and while userValue is less than 25.

4 years ago

Solved

While loop with branching
Write a while loop that adjusts userValue while userValue is less than 0 or greater than 80. If userValue is greater than 80, th...

4 years ago

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...

4 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 ...

4 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 ...

4 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...

4 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...

4 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...

4 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4 years ago