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Roy Goodman


Last seen: 1 giorno ago
32 total contributions since 2011

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Question


How do I call functions with names generated by str2func, varargin, and input argument blocks?
I am building a piece of software which will require the user to write a few short functions of their own. The user will specify...

circa 2 mesi ago | 1 answer | 0

1

answer

Question


trouble switching/merging branches in git integration
I am using the git integration in a MATLAB Project and am running into an error. I need merge a branch back into the master bra...

2 mesi ago | 0 answers | 0

0

answers

Question


MATLAB beeps on every keystroke in editor
Sometimes I will open a file in the editor, and every time I push down a key, I get a beep. This makes editing a document conta...

3 mesi ago | 0 answers | 0

0

answers

Question


running live functions and having section breaks
Before the advent of Live Script, I created a lot of demonstrations using publish and I would always create the demonstrations a...

3 mesi ago | 1 answer | 0

1

answer

Submitted


matdfpp
Draw direction fields and phase planes.

3 mesi ago | 66 downloads |

Thumbnail

Question


Github repository creation failed
I have a MATLAB Project (capital P) that I'm managing using git. I would like to upload it to github. It's my second such proje...

4 mesi ago | 0 answers | 1

0

answers

Question


Rewriting pplane and dfield
This is not quite a question in the usual MATLAB Answers sense, but I am hoping that someone who looks at MATLAB Answers might b...

5 mesi ago | 0 answers | 1

0

answers

Answered
What is the Project Icon file?
Answering my own question: I'm using a Mac. Any folder on a Mac that has a custom Icon contains a hidden file called "Icon\r" w...

5 mesi ago | 0

| accepted

Answered
"Icon" file in GitHub-managed MATLAB Project
I had not been actively editing so I was on the main branch. I just created a branch to experiment with removing this file and a...

6 mesi ago | 0

| accepted

Question


"Icon" file in GitHub-managed MATLAB Project
I am new to both "Projects" and collaborating via GitHub. In the past few months, I turned an existing project into a Project ...

6 mesi ago | 1 answer | 0

1

answer

Question


What is the Project Icon file?
I am turning a project (lower case p) into a Project (upper case P). I just noticed a file in the directory called "Icon" alth...

9 mesi ago | 1 answer | 0

1

answer

Question


How to organize a project?
This is more a general software engineering question than a MATLAB question, but it's about a MATLAB project, so here seems the ...

9 mesi ago | 1 answer | 0

1

answer

Question


Shortcut to default line colors?
I can't remember how long ago MATLAB switched to the new default line color order. Overall, I much prefer the new colors. I'll n...

10 mesi ago | 1 answer | 0

1

answer

Question


rotation of graph node labels
I am plotting some graphs using circular layout, for example plot(digraph([1 2 3],[2 3 1]),"layout","circle");axis equal The n...

11 mesi ago | 2 answers | 0

2

answers

Question


Weird error message on startup
Running Matlab 2020a on a mac with catalina, I get this error message at startup Warning: Name is nonexistent or not a director...

11 mesi ago | 1 answer | 0

1

answer

Question


add data to an existing object with a method not in @ directory
I have created a class of objects, and have stored the core methods for working with these objects in a directory whose name sta...

oltre 2 anni ago | 0 answers | 0

0

answers

Question


Where is the ellipticf function?
According to this MathWorks website: https://www.mathworks.com/help/symbolic/ellipticf.html Matlab has an incomplete ellip...

circa 4 anni ago | 1 answer | 0

1

answer

Question


access to default line colors
Is there a way to easily specify a line color from the (relatively) new default line color ordering? What I'd like is to be able...

circa 4 anni ago | 2 answers | 0

2

answers

Question


Overloading arithmetic on graphs or digraphs
I am solving some problems in "quantum graphs." Without getting into the detail, I have a directed graph, built as a MATLAB digr...

circa 4 anni ago | 2 answers | 0

2

answers

Question


All edges attached to given node in a (di)graph
I have a simple and, I imagine, common question about working with graphs. Is there a built-in way to find all the edges pointin...

oltre 4 anni ago | 1 answer | 0

1

answer

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

oltre 5 anni ago

Question


Opening saved figures created using plotyy
I created some figures using plate and saved them as .fig files. Now, I'd like to modify the figures slightly, but they don't re...

circa 6 anni ago | 1 answer | 0

1

answer

Question


read data from variables with names matching patterns
A student of mine saved a .mat file containing variables named x1, x2, ..., x50, y1, y2, etc. How can I write program that will...

circa 7 anni ago | 1 answer | 0

1

answer

Question


error running mex on mac c-code
I'm trying to use a little bit of c-code in matlab. I'm running Matlab 2013B on OS X 10.8 and have Xcode 5.0. To figure this ou...

oltre 7 anni ago | 0 answers | 1

0

answers

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

oltre 8 anni 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. Example...

oltre 8 anni ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

oltre 8 anni 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 ...

oltre 8 anni 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...

oltre 8 anni 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 ...

oltre 8 anni ago

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