Question

Matlab answers no longer lets me cut an paste

I've been using this forum for decades, but suddenly there's been an "upgrade" to the interface, so that I can no longer cut and...

3 years ago | 1 answer | 0

Answered

Opening uisetcolor extremely slow R2016b

Thanks Greg, wasted hours till I found your post. It's completely baffling why MATLAB would replace a perfectly good utility ...

Opening uisetcolor extremely slow R2016b

Thanks Greg, wasted hours till I found your post. It's completely baffling why MATLAB would replace a perfectly good utility ...

3 years ago | 1

Answered

run code section in nodesktop mode

Figured as much. A pity though, it would be enormously helpful, and a great enhancement, for those of us who despise desktop ...

run code section in nodesktop mode

Figured as much. A pity though, it would be enormously helpful, and a great enhancement, for those of us who despise desktop ...

4 years ago | 0

Question

run code section in nodesktop mode

Title says it all. I always run matlab with the -nodesktop flag. I've just learned how to run a code section from within ...

4 years ago | 2 answers | 0

Question

Why does a commented out line generate an error

The following code throws an error CellArray = { ... 'X' ... % ,'X...

4 years ago | 1 answer | 0

Question

How do I prevent the legend from REALLY auto-updating

I'm plotting graphs of the same type in multiple subplots, with some subplots left blank. I'd like to use the blank spots to ...

4 years ago | 2 answers | 0

Question

reverse the output order of the constraint function argument of fmincon

I frequently use fmincon to solve for a bunch of equality constraints, but my problems have no inequality constraints. My e...

4 years ago | 1 answer | 0

Question

Enter debug mode if a variable changes value

I'm trying to debug somebody else's impenetrable matlab code; at the beginning of each iteration of a loop, I'm displaying the ...

4 years ago | 2 answers | 1

Question

Convert a symbolic vector to a list of scalar outputs for a function created by matlabFunction

When matlabFunction creates an anonymous function, its arguments are always scalars. But when I want to use the function, m...

4 years ago | 1 answer | 0

Question

how to use exist for a function that begins with an@

Following @JanSimon's suggestion in <https://www.mathworks.com/matlabcentral/answers/178671-is-it-possible-to-call-a-subfunctio...

4 years ago | 0 answers | 0

Question

Inconsistent behavior updating tick labeling

In the code below, I'm adding ticks to the Y axis. The first time I do it, YTickLabel updates correctly, adding an additional...

4 years ago | 1 answer | 0

Question

Use distinct colormaps for two different surf plots on the same figure

Using R2016b, I would like to create two surf plots and use a different colormap for each one. It appears that the only way ...

5 years ago | 1 answer | 0

Question

Prevent automatic simplification of a symbolic expression when using the latex command

I have the following expression f = @(k,n)1.0./n.^(2.0./3.0).*(6.0.^(1.0./3.0).*k.^(1.0./3.0).*4.0-k.*n.^(2.0./3.0).*...

5 years ago | 1 answer | 0

Question

Why do I receive this error "Support of character vectors that are not valid variable names or define a number will be removed in a future release. "?

I'm trying to differentiate an expression f which has a horrible coefficient, specifically, (4/3)^(5/6). I want to prevent matl...

5 years ago | 1 answer | 0

Question

Shortcircuiting multiple dbquit commands

Many times I find myself in a workspace, making an error, which throws me into debug mode, repeatedly making mistakes while tryi...

5 years ago | 0 answers | 0

Question

hatching a 3d patch object.

I'm wondering if anybody has built code for adding cross-hatches to a 3D patch object? I see that this task is on Kesh Ikuma's ...

5 years ago | 1 answer | 0

Question

Limiting the extent of the crop using export_fig

I'm using export_fig with the following command (both options are necessary for me): export_fig('png','opengl',<filename>...

5 years ago | 2 answers | 1

Question

Preventing focus theft while running matlab from the command line and creating figures

There have been several posts on this subject such as <https://www.mathworks.com/matlabcentral/answers/88176-keep-focus-in-comma...

5 years ago | 1 answer | 1

Question

return the row and column number of the current subplot

is there a property of `gca` that will return the row and column number of the current subplot? e.g., I'd like a command that...

5 years ago | 1 answer | 0

Question

Constructing a a family of anonymous functions by recursion.

I'm trying to define a sequence of functions recursively. The example below (which is obviously silly) illustrates the idea...

6 years ago | 2 answers | 0

Question

set default properties of symbolic variables

Whenever I use the symbolic toolbox, I always want my symbolic variables to be real and non-negative. It's annoying to have to m...

6 years ago | 1 answer | 0

Question

A flag to indicate whether or not the int function has successfully computed a symbolic integral

The example below indicates my problem. In the first case, matlab cannot integrate the function provided to it and simply retu...

6 years ago | 1 answer | 0

Answered

Suppress Academic license notification

As root, edit the file $MATLABPATH/resources/MATLAB/en/branding.xml (Better back it up first! I forgot to) Change th...

Suppress Academic license notification

As root, edit the file $MATLABPATH/resources/MATLAB/en/branding.xml (Better back it up first! I forgot to) Change th...

6 years ago | 3

Question

sort a one dimensional array ascend and descend

To sort a vector in ascending order it would seem completely obvious to type sort([1,3,2],1,'ascend') Who cares what the...

6 years ago | 3 answers | 0

Question

Fine tuning a 3D figure without modifying the arguments of `view`

In the figure below, the cluster of stem lines to the left of the figure (a cluster is identified by a common color) are quite ...

6 years ago | 2 answers | 0

Question

Interactive script to return from a matlab function

I'm trying to construct a matlab script that I can call from a matlab function, which will prompt me if I want to return to the ...

6 years ago | 2 answers | 0

Question

installing a new package

I'm trying to install an additional package of R2016a. My host is linux. Following instructions from I have the installer ...

6 years ago | 1 answer | 0

Question

Fragility of matlab's solve routine, possibly a bug?

I wrote a problem set for first time matlab programmers, which involved using the solve routine. Unfortunately, they discover...

6 years ago | 1 answer | 1

Question

Execute a command after a delay

Based on <https://www.mathworks.com/matlabcentral/answers/276660-command-for-delaying-matlab-to-execute-a-certain-line this thre...

6 years ago | 1 answer | 1

Question

Bug? sym alpha takes precedence over matlab's alpha.m at the command line, but not within a matlab function.

When I run the following code, there is no problem: syms xDot(t) t alpha dF_dxDot = @(t) -exp(-t)*alpha*xDot(t)^(...

6 years ago | 1 answer | 0