Randy Acheson

MathWorks

Active since 2017

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I am a developer at MathWorks and I hold a degree in Computer Science.

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Answered
Appdesigner: Using a app's method from another app
This can be done one of several ways. 1. You can load one app into another app as a variable, and access its methods that w...

7 years ago | 3

| accepted

Answered
Error message to install Matlab R2017a
This error message is likely occurring because you've run out of space allotted to you by the administrator of your system. It l...

7 years ago | 0

Solved


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

7 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:...

7 years ago

Answered
how to ensemble two machine learning models?
You can use the 'fitrensemble' function to ensemble multiple regression trees. You can specify different decision tree templates...

7 years ago | 1

Answered
i used syms so i can find an expresssion for Cn in terms of n, but then i get this error (Conversion to logical from sym is not possible.). i have read online that vpa cancel this so incorporated this (i might be wrong). I'm newbie to matlab sorry.
The issue here is that you are trying to compare a numeric value and a symbolic value in your while loop. While 'approx' and 'en...

7 years ago | 0

Answered
How to plot a surface in cylindrical coordinates
I don't see why this wouldn't work. There's no built-in MATLAB function to do this that I know of, so you would have to write yo...

7 years ago | 0

Answered
Request for suggestion about obtaining map data of mountain from google map and creating a contour plot
I've never used Google Map data in MATLAB, but you might want to take a look at this File Exchange link: <https://www.mathwor...

7 years ago | 0

Answered
Can I put a try-catch in GUI initialization code?
If you are looking to do global error handling, this may be an effective way. There could be some issues with catching errors fr...

7 years ago | 1

| accepted

Answered
Single variable changing in App
There are many examples and tutorials for App Designer available in the MATLAB documentation. Here is a quick video tutorial...

7 years ago | 0

Answered
start matlab from desktop on ubuntu
You can create a desktop launcher for MATLAB by using the 'matlab-support' Ubuntu package. Here are instructions on how to do th...

7 years ago | 2

| accepted

Answered
Legend symbol in errorbar figure
Starting in 2014b, the implementation of the 'legend' function was changed, and this is what is causing the new behavior. There ...

7 years ago | 2

| accepted

Answered
How to have a function constantly execute in a Matlab Guide GUI?
You can have a callback called regularly during the duration of a program by using the 'timer' object. Create a timer in the Ope...

8 years ago | 1