Answered

Symbolic indefinite integral of piecewise function gives wrong results

I disagree that the second attached image "obviously is not a correct antiderivative of the given function." If you take its de...

Symbolic indefinite integral of piecewise function gives wrong results

I disagree that the second attached image "obviously is not a correct antiderivative of the given function." If you take its de...

1 year ago | 1

Answered

How to generate sequenced file names with file extensions?

See the <https://www.mathworks.com/help/matlab/ref/num2str.html#btf97wr documentation for num2str> to find the |formatSpec| inpu...

How to generate sequenced file names with file extensions?

See the <https://www.mathworks.com/help/matlab/ref/num2str.html#btf97wr documentation for num2str> to find the |formatSpec| inpu...

1 year ago | 1

| accepted

Answered

How to preallocate to decrease run time?

You can use |unique| to make your loop more robust. Then, logical indexing is much better than the |find| you've included. In ...

How to preallocate to decrease run time?

You can use |unique| to make your loop more robust. Then, logical indexing is much better than the |find| you've included. In ...

1 year ago | 0

| accepted

Answered

AppDesigner UIListBox Multi-Select Corrupts .MLAPP File

A second approach that somebody out there might have more luck with is to hack the .MLAPP file directly. I know it's just a .ZI...

AppDesigner UIListBox Multi-Select Corrupts .MLAPP File

A second approach that somebody out there might have more luck with is to hack the .MLAPP file directly. I know it's just a .ZI...

1 year ago | 0

Answered

AppDesigner UIListBox Multi-Select Corrupts .MLAPP File

It isn't the best, but I found out the "corrupted" .MLAPP files will open in newer releases just fine. This doesn't help if you...

AppDesigner UIListBox Multi-Select Corrupts .MLAPP File

It isn't the best, but I found out the "corrupted" .MLAPP files will open in newer releases just fine. This doesn't help if you...

1 year ago | 1

Answered

Plotting very slow and took long time to launch plot tool

Given information from your comments that y is 50x1801, the command plot(x,y,'LineWidth',2); Will already plot *all* 50 ...

Plotting very slow and took long time to launch plot tool

Given information from your comments that y is 50x1801, the command plot(x,y,'LineWidth',2); Will already plot *all* 50 ...

1 year ago | 1

Answered

How to retrieve an extension type based on the location of a folder that is storing images?

The |ext| has to be empty, you've used |uigetdir| and directories can't have extensions. Your best bet is do a quick |dir| on t...

How to retrieve an extension type based on the location of a folder that is storing images?

The |ext| has to be empty, you've used |uigetdir| and directories can't have extensions. Your best bet is do a quick |dir| on t...

1 year ago | 0

Answered

How to write a char variable as filename in xlswrite

xlswrite([PST],'.xlsx',data,1,'A1') Passes '.xlsx' as the second input argument to |xlswrite|. You want to concatenate it ...

How to write a char variable as filename in xlswrite

xlswrite([PST],'.xlsx',data,1,'A1') Passes '.xlsx' as the second input argument to |xlswrite|. You want to concatenate it ...

1 year ago | 0

| accepted

Answered

Assign a "double-column" to a "cell-coloumn"

You can replace _one entire_ column with NaN very simply: tableVariable.VarWithErrors = NaN(height(tableVariable),1); To...

Assign a "double-column" to a "cell-coloumn"

You can replace _one entire_ column with NaN very simply: tableVariable.VarWithErrors = NaN(height(tableVariable),1); To...

1 year ago | 0

| accepted

Answered

The documentation for the Simulink Generic Battery Model seems wrong

That bug report link asks me to log into my MathWorks account, and doesn't say anything about SalesForce. After logging in, the...

The documentation for the Simulink Generic Battery Model seems wrong

That bug report link asks me to log into my MathWorks account, and doesn't say anything about SalesForce. After logging in, the...

1 year ago | 0

Answered

How to make a modal window generated during openingFcn on top of the GUIDE window

Use |uiwait|. h = warndlg(. . .); uiwait(h); %%% These commands won't execute until warndlg is closed %%% I.e., yo...

How to make a modal window generated during openingFcn on top of the GUIDE window

Use |uiwait|. h = warndlg(. . .); uiwait(h); %%% These commands won't execute until warndlg is closed %%% I.e., yo...

1 year ago | 0

| accepted

Answered

Editor and command windows next to each other, Part 3

Preferences (including layouts) are user-specific. As Paolo explained, your layout is already saved every time MATLAB closes (p...

Editor and command windows next to each other, Part 3

Preferences (including layouts) are user-specific. As Paolo explained, your layout is already saved every time MATLAB closes (p...

1 year ago | 0

Answered

Problem Diagnosing Adding Vectors to Cell Array

Can't track for sure, but it looks like |Q| is a scalar. I think you want to replace: for j = 1:length(Q)-1 % length(Q) = ...

Problem Diagnosing Adding Vectors to Cell Array

Can't track for sure, but it looks like |Q| is a scalar. I think you want to replace: for j = 1:length(Q)-1 % length(Q) = ...

1 year ago | 0

| accepted

Answered

How to correct this?

If the first non-comment line is not a |function| declaration (or a few other options such as |classdef|), the file is a _script...

How to correct this?

If the first non-comment line is not a |function| declaration (or a few other options such as |classdef|), the file is a _script...

1 year ago | 0

Answered

Extracting Exponential Numbers from Cell Arrays

You're already using |textscan|, did you try the <https://www.mathworks.com/help/matlab/ref/textscan.html?s_tid=srchtitle#btg0ke...

Extracting Exponential Numbers from Cell Arrays

You're already using |textscan|, did you try the <https://www.mathworks.com/help/matlab/ref/textscan.html?s_tid=srchtitle#btg0ke...

1 year ago | 0

| accepted

Answered

Matlab doesn't change MarkerSize

The unit of 'MarkerSize' is 'points' which is typically 1/72 inch. Depending on your OS, there are usually 96 pixels per inch. ...

Matlab doesn't change MarkerSize

The unit of 'MarkerSize' is 'points' which is typically 1/72 inch. Depending on your OS, there are usually 96 pixels per inch. ...

1 year ago | 2

| accepted

Answered

uisetcolor -- IPC process exited. Exit code: 127

See <https://www.mathworks.com/matlabcentral/answers/321269-opening-uisetcolor-extremely-slow-r2016b here> for reverting to the ...

uisetcolor -- IPC process exited. Exit code: 127

See <https://www.mathworks.com/matlabcentral/answers/321269-opening-uisetcolor-extremely-slow-r2016b here> for reverting to the ...

1 year ago | 1

Answered

plotyy: changing the line-style to 'o--'

'o--' and others are shortcut inputs to |plot| commands when you *don't* pass a parameter. In this case, you are specifying a _...

plotyy: changing the line-style to 'o--'

'o--' and others are shortcut inputs to |plot| commands when you *don't* pass a parameter. In this case, you are specifying a _...

1 year ago | 2

| accepted

Answered

how to get combination

If you have the Symbolic Math Toolbox, you can use the |<https://www.mathworks.com/help/symbolic/divisors.html divisors>| functi...

how to get combination

If you have the Symbolic Math Toolbox, you can use the |<https://www.mathworks.com/help/symbolic/divisors.html divisors>| functi...

1 year ago | 0

Answered

Error scatter plot time vs wind speed (data from a table)

You're misunderstanding how MATLAB operates. Functions like |table2array| don't manipulate the variable _in place_, they return...

Error scatter plot time vs wind speed (data from a table)

You're misunderstanding how MATLAB operates. Functions like |table2array| don't manipulate the variable _in place_, they return...

1 year ago | 0

Answered

Error when trying to change the colour of a line in a figure

_Error using matlab.ui.internal.dialog.WebColorChooser/show (line 72)_ indicates you're using |uisetcolor|, and that's causing t...

Error when trying to change the colour of a line in a figure

_Error using matlab.ui.internal.dialog.WebColorChooser/show (line 72)_ indicates you're using |uisetcolor|, and that's causing t...

1 year ago | 1

| accepted

Answered

How to show an individual YTickLabel to the right of the single Y axis?

It isn't elegant, but space pad the tick label until it shows up better.

How to show an individual YTickLabel to the right of the single Y axis?

It isn't elegant, but space pad the tick label until it shows up better.

1 year ago | 0

Answered

How to adjust the locations of characters in biplot?

The output of |biplot| is an array of handles. In there will be the variable labels. Each has a _position_ property you can man...

How to adjust the locations of characters in biplot?

The output of |biplot| is an array of handles. In there will be the variable labels. Each has a _position_ property you can man...

1 year ago | 0

Answered

Why isn't my loop working?

Purely a guess, you goofed up some indexing: t = line(3)/1000; % <-- Recreates a new "t" as a scalar every loop iteration ...

Why isn't my loop working?

Purely a guess, you goofed up some indexing: t = line(3)/1000; % <-- Recreates a new "t" as a scalar every loop iteration ...

2 years ago | 0

Answered

Hello, I'd like to extracts a cell range from an excel file, but I'm running into trouble.

Have you read the <https://www.mathworks.com/help/matlab/ref/csvread.html#btrbcf4-1 documentation> for the inputs to |csvread|? ...

Hello, I'd like to extracts a cell range from an excel file, but I'm running into trouble.

Have you read the <https://www.mathworks.com/help/matlab/ref/csvread.html#btrbcf4-1 documentation> for the inputs to |csvread|? ...

2 years ago | 0

Answered

Update dot in plot according to sliders

I forget which release introduced |MarkerIndices| for plots, but I think that's exactly what you're going for. You don't need a...

Update dot in plot according to sliders

I forget which release introduced |MarkerIndices| for plots, but I think that's exactly what you're going for. You don't need a...

2 years ago | 1

Answered

A way to reference questions and blog articles from your profile

Isn't that what _following_ a question does? Go to _My MATLAB Answers_ --> _Manage Following_ and boom, personalized list of qu...

A way to reference questions and blog articles from your profile

Isn't that what _following_ a question does? Go to _My MATLAB Answers_ --> _Manage Following_ and boom, personalized list of qu...

2 years ago | 1

Answered

Merging two categorical columns using a rule

Make your categorical array ordinal (with "not" as the lowest value), then use |c = max(a,b)|. This is only guaranteed to work ...

Merging two categorical columns using a rule

Make your categorical array ordinal (with "not" as the lowest value), then use |c = max(a,b)|. This is only guaranteed to work ...

2 years ago | 0

Answered

How to add a polygon to UIAxes in appdesigner?

ps = polyshape([0,0,.13,.13],[26,124,124,26]); % This is still a rectangle though... pg = plot(uiaxes,ps);

How to add a polygon to UIAxes in appdesigner?

ps = polyshape([0,0,.13,.13],[26,124,124,26]); % This is still a rectangle though... pg = plot(uiaxes,ps);

2 years ago | 0

Answered

How to use publish to create a word document. THANK YOU

Reading <https://www.mathworks.com/help/releases/R2017b/matlab/ref/publish.html?searchHighlight=publish&s_tid=doc_srchtitle#desc...

How to use publish to create a word document. THANK YOU

Reading <https://www.mathworks.com/help/releases/R2017b/matlab/ref/publish.html?searchHighlight=publish&s_tid=doc_srchtitle#desc...

2 years ago | 0

| accepted