Answered
Hump-day puzzler.
In response to Andrew's extra challenge for a solution in which |BLANK| returns |true|, here's an absolutely insane one: func...

9 years ago | 3

Answered
Hump-day puzzler.
Here's a pretty goofy answer: true) fprintf('I Love '); end; if (false

9 years ago | 6

Answered
What programming challenges would you pose to new users?
Designing simple GUIs can introduce newer users to a number of important concepts. For example... *Challenge:* Create a stopwa...

9 years ago | 2

Answered
How to make a list of user's reputation ? :)
Here's yet another variation that uses Walter's idea of going through the pages of questions, fetching the question links, then ...

9 years ago | 3

Answered
How to compare two different cell arrays ?
The <http://www.mathworks.com/help/techdoc/ref/setdiff.html SETDIFF> function does what you want. It will give you the values in...

9 years ago | 7

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Answered
How do I write a good answer for MATLAB Answers?
I'm generally in favor of pointing out when a key edit (i.e. correction) has been made to an answer for the following reasons: ...

9 years ago | 5

Answered
Using find in a 3d matrix in MATLAB.
When finding values in multidimensional (i.e. greater than 2-D) arrays using the function <http://www.mathworks.com/help/techdoc...

9 years ago | 20

| accepted

Answered
Declaring 'many' variables from work space into function workspace
Yet another option is to design your function to accept a <http://www.mathworks.com/help/techdoc/ref/varargin.html variable leng...

9 years ago | 0

Answered
MATLAB xlswrite function
The reason? Because <http://www.mathworks.com/help/techdoc/ref/xlswrite.html#bsnsz_b-13 the documentation> says so! ;) Excerpt:...

9 years ago | 1

Answered
Outputting to string
You can do this using the function <http://www.mathworks.com/help/techdoc/ref/eval.html EVAL>: for i = 1:3 eval(['var_' i...

9 years ago | 2

| accepted

Answered
How to solve symbolic system of equations?
Easy, use the <http://www.mathworks.com/help/toolbox/symbolic/solve.html SOLVE> function: >> S = solve(Eqs) S = a:...

9 years ago | 0

| accepted

Answered
Need help writing a datacursormode Text Update Function to display high, low, close, date, & volume data as a Datatip on a plot made with the highlow function of the Financial Toolbox.
Since you want your data cursor to display data that is not on the plot, you will have to put that data in a place that the Text...

9 years ago | 1

| accepted

Answered
Compute opponent colour of RGB values
If you are talking about a <http://en.wikipedia.org/wiki/Opponent_process color opponent process>, I figured out a simple functi...

9 years ago | 1

Answered
How do I skip items in a legend?
To exclude items from a legend, you can specify the objects that you want to include as the first input argument to the “legend”...

9 years ago | 67

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Answered
Grayscaled Images to RGB
If |img| is your grayscale image, stored as a 2-D |uint8| array, you can create a red version by making |img| be the red color p...

9 years ago | 3

Answered
Output of delaunay function
As per <http://www.mathworks.com/help/techdoc/ref/delaunay.html the function documentation>, the matrix |tri| returned from DELA...

9 years ago | 2

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Answered
Working with a three dimensional matrix
If you're asking how you would index |k| in your loop to get a 2-D submatrix, you would do the following: l = k(:,:,i);

9 years ago | 1

Answered
clearing an instance of a structure variable
You can remove an element from a structure array the same way you can remove an element from any other type of array: a(1) = ...

9 years ago | 2

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Answered
How to generate symbolic variables dynamically at run-time?
You can generate your system of equations from a matrix of zeroes and ones using just the <http://www.mathworks.com/help/toolbox...

9 years ago | 2

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Answered
Problem saving/loading structure with function handles
In the documentation for <http://www.mathworks.com/help/techdoc/matlab_prog/f2-38133.html#brfp2ff-1 Saving and Loading Function ...

9 years ago | 2

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Answered
How can I find what parameters are in an inline function.
You can use the ARGNAMES function (which is a method for inline objects) to get the arguments of the inline function as a cell a...

9 years ago | 2

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Answered
Creating intersection lines in a semilogx graph
Addressing the first 3 points, it sounds like you want to create a datatip with crosshairs on one point of your curve. You can p...

9 years ago | 1

Answered
Is it possible to display a crosshair everytime a point is marked with the data cursor tool in MATLAB R2010b?
You can achieve this by modifying the |'UpdateFcn'| property of the <http://www.mathworks.com/help/techdoc/ref/datacursormode.ht...

9 years ago | 3

Answered
Why am I getting an error message "undefined function" when using the LAGMATRIX function in MATLAB 7.10 (R2010a)?
Have you tried including that file using the <http://www.mathworks.com/help/toolbox/compiler/mcc.html MCC> archive option |-a|? ...

9 years ago | 2

Answered
3D plot from imported Excel data
Your variable |Z| is still a column vector, since |size(test,2)| is 3 and thus the column index |3:size(test,2)| is still just 3...

9 years ago | 4

Answered
Error creating a function handle using str2func in a function
The solution I found was to make a call to <http://www.mathworks.com/help/techdoc/ref/rehash.html REHASH> after you create each ...

9 years ago | 3

Answered
How can I remove all the paths for Toolboxes in MATLAB?
It sounds like you want to have MATLAB use _your_ functions instead of functions with the same name in other toolboxes. The easi...

9 years ago | 6

Answered
Creating a matrix of blank spaces.
If you are only making a 1-D matrix (i.e. a row or column vector) then the function <http://www.mathworks.com/help/techdoc/ref/b...

9 years ago | 7

Answered
What does a "~" mean in the following code
This is the <http://www.mathworks.com/help/techdoc/ref/not.html logical NOT operator>, so |~isempty(E)| will evaluate to true wh...

9 years ago | 6

| accepted

Submitted


ftoc (v1.2)
Creates a table of contents of functions contained in an m-file

11 years ago | 1 download |

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