Answered
Index of the colums which contains only specific char 'B'
Use strcmp or strcmpi along with all. Template: all(strcmp(a,'B'),1) % for columns all(strcmp(a,'B'),2) % for rows
Index of the colums which contains only specific char 'B'
Use strcmp or strcmpi along with all. Template: all(strcmp(a,'B'),1) % for columns all(strcmp(a,'B'),2) % for rows
5 years ago | 0
| accepted
Answered
How can I move a colorbar down in a subplot?
After adding the colorbar, change its position property. You can use the positions of the other axes to align the colorbar as n...
How can I move a colorbar down in a subplot?
After adding the colorbar, change its position property. You can use the positions of the other axes to align the colorbar as n...
5 years ago | 0
| accepted
Answered
plot with light to dark blue colour
Update As of MATLAB R2023a you can use the colormap sky cmap = sky(256); x = linspace(0,.5*pi,500)'; plot(sin(x).*linspace...
plot with light to dark blue colour
Update As of MATLAB R2023a you can use the colormap sky cmap = sky(256); x = linspace(0,.5*pi,500)'; plot(sin(x).*linspace...
5 years ago | 0
| accepted
Answered
Sliding pixel window to get 8 neighbour pixel values
Here's the framework to get you started. An image is displayed and the starting and end coordinates of each 4x3 (width x heigh...
Sliding pixel window to get 8 neighbour pixel values
Here's the framework to get you started. An image is displayed and the starting and end coordinates of each 4x3 (width x heigh...
5 years ago | 0
| accepted
Answered
Changing the default version of MATLAB for opening files
For windows 10, follow these instructions (I've used this method recently with r2021a) https://www.bleepingcomputer.com/news/mi...
Changing the default version of MATLAB for opening files
For windows 10, follow these instructions (I've used this method recently with r2021a) https://www.bleepingcomputer.com/news/mi...
5 years ago | 0
Answered
Why do I get this error?
closetozeroroundoff(), a 3rd party function not defined in the question, contains more than one input and one of the inputs is a...
Why do I get this error?
closetozeroroundoff(), a 3rd party function not defined in the question, contains more than one input and one of the inputs is a...
5 years ago | 0
| accepted
Answered
re-arrange data
It looks like you want the output to be a cell array. out = {'A', 'B1', 'X6(1.4M), X15(3M), X25(5M), X50(10M), X75(15M), X100...
re-arrange data
It looks like you want the output to be a cell array. out = {'A', 'B1', 'X6(1.4M), X15(3M), X25(5M), X50(10M), X75(15M), X100...
5 years ago | 0
| accepted
Answered
how to compute the mean value of non-zero elements in each row of a sparse matrix
Assuming you want to preserve row-number in the case were entire rows are 0s, mu = zeros(size(C,1),1); mu(any(C~=0,2)) = mean...
how to compute the mean value of non-zero elements in each row of a sparse matrix
Assuming you want to preserve row-number in the case were entire rows are 0s, mu = zeros(size(C,1),1); mu(any(C~=0,2)) = mean...
5 years ago | 0
Answered
how to create mouse movement event on UIAxes in APP Designer to catch cursor location on the axes?
Here are 2 methods to capture mouse coordinates within the axes of a figure. In these demos the coordinates of the cursor's cu...
how to create mouse movement event on UIAxes in APP Designer to catch cursor location on the axes?
Here are 2 methods to capture mouse coordinates within the axes of a figure. In these demos the coordinates of the cursor's cu...
5 years ago | 3
| accepted
Answered
Lettering a Bar Chart
It's better to avoid setting tick labels when possible. Instead, use a categorical variable (xCats) for x, defined by letters ...
Lettering a Bar Chart
It's better to avoid setting tick labels when possible. Instead, use a categorical variable (xCats) for x, defined by letters ...
5 years ago | 0
Answered
Overlay imagesc and contour in subplot with different colour bars
> the axis handle applies to the whole subplot, and not the indervidual plot commands That's correct. A workaround is to assi...
Overlay imagesc and contour in subplot with different colour bars
> the axis handle applies to the whole subplot, and not the indervidual plot commands That's correct. A workaround is to assi...
5 years ago | 0
| accepted
Answered
how to convert logical variable into hexadecimal number in Matlab?
dec2hex(D) hexstr = dec2hex([false true true false]) Or perhaps you want, hexstr = string(double(([false true true false]))...
how to convert logical variable into hexadecimal number in Matlab?
dec2hex(D) hexstr = dec2hex([false true true false]) Or perhaps you want, hexstr = string(double(([false true true false]))...
5 years ago | 0
Answered
Error when trying to follow Deep learning example
Updated answer (11/28/22) The documentation page for the Word-By-Word Text Generation Using Deep Learning example has been upda...
Error when trying to follow Deep learning example
Updated answer (11/28/22) The documentation page for the Word-By-Word Text Generation Using Deep Learning example has been upda...
5 years ago | 0
| accepted
Answered
Differential dot in legend using Tex interpreter
To use an overdot as a legend string with TeX interpreter, use a unicode diacritic character (see resources below). For examp...
Differential dot in legend using Tex interpreter
To use an overdot as a legend string with TeX interpreter, use a unicode diacritic character (see resources below). For examp...
5 years ago | 0
| accepted
Submitted
Patch for annotationPane errors in GUIDE [Beta]
A patch to the problem of editing GUIs in GUIDE in r2019b (and later?)
5 years ago | 1 download |
Submitted
copyUIAxes
Copy UIAxes (eg. AppDesigner) and most properties to a new figure and recreate the legend and colorbar if they exist.
5 years ago | 5 downloads |
Submitted
removeDrivesFromHistory
A solution to the problem of Matlab consuming an enormous amount of time to recover from an "Undefined function or variable" err...
5 years ago | 2 downloads |
Discussion
Happy St. Patrick's Day - simple emoticon & animation demo
*Did you know you can use most emoticons in text objects?* Most emoticons are just <https://home.unicode.org/ unicode charac...
5 years ago | 6
Answered
Creating specific grid lines for heatmap
Heatmaps are difficult to customized since many of their handles and properties are hidden or undocumented. imagesc is a good al...
Creating specific grid lines for heatmap
Heatmaps are difficult to customized since many of their handles and properties are hidden or undocumented. imagesc is a good al...
5 years ago | 5
| accepted
Answered
Problem using "datetime"
T = table(string(N), 'VariableNames', {'Dates'})
Problem using "datetime"
T = table(string(N), 'VariableNames', {'Dates'})
5 years ago | 0
| accepted
Answered
Adding Second Callback to UIAxes Toolbar in App Designer
First, thanks for the interesting topic (+1). Here's a simpler way of issuing multiple actions when pressing the Restore toolba...
Adding Second Callback to UIAxes Toolbar in App Designer
First, thanks for the interesting topic (+1). Here's a simpler way of issuing multiple actions when pressing the Restore toolba...
5 years ago | 0
| accepted
Answered
Cell array indexing in matlab
To access the last element of an array stored in cell array C at location {m,n}, y = C{m,n}(end); To access the last element ...
Cell array indexing in matlab
To access the last element of an array stored in cell array C at location {m,n}, y = C{m,n}(end); To access the last element ...
5 years ago | 0
Answered
Plot legend position changes between fig in live script and external window
The figure position when embedded in a live script is not the same as the figure position when undocked. Therefore, you shouldn...
Plot legend position changes between fig in live script and external window
The figure position when embedded in a live script is not the same as the figure position when undocked. Therefore, you shouldn...
5 years ago | 0
| accepted
Answered
save graph in video
Use F=getframe() to store an image of the plot for each iteration of the for-loop. Save F to file if you want to replay the mov...
save graph in video
Use F=getframe() to store an image of the plot for each iteration of the for-loop. Save F to file if you want to replay the mov...
5 years ago | 0
Answered
window size in matlab's app designer
From the component browser in AppDesigner, select the figure handle and check the Window Appearance & Position properties in the...
window size in matlab's app designer
From the component browser in AppDesigner, select the figure handle and check the Window Appearance & Position properties in the...
5 years ago | 1
Answered
Problem with XVariable property in stackedplot
Here's an undocumented hack that adds a listener that responds to changes to the x-label at the top of the vertical reference li...
Problem with XVariable property in stackedplot
Here's an undocumented hack that adds a listener that responds to changes to the x-label at the top of the vertical reference li...
5 years ago | 1
| accepted
Discussion
New in R2021a: Capture disp() output as a string
We've all been there. You've got some kind of output that displays perfectly in the command window and you just want to capture...
5 years ago | 10
Answered
using contour plot to solve the problem
I assume you have an n-by-m matrix of costs for n heights and m radii. I'd use heatmap or imagesc to create a gridded color d...
using contour plot to solve the problem
I assume you have an n-by-m matrix of costs for n heights and m radii. I'd use heatmap or imagesc to create a gridded color d...
5 years ago | 0
Answered
audio recording issue with wavrecord function matlab 2020
The error message tells you the problem. error: Unrecognized function or variable 'wavrecord'. Matlab doesn't know what wavre...
audio recording issue with wavrecord function matlab 2020
The error message tells you the problem. error: Unrecognized function or variable 'wavrecord'. Matlab doesn't know what wavre...
5 years ago | 0
| accepted
Answered
Write a MATLAB function that returns the square of a number.
> Is it correct ? funciton square = sqr (x) square = x * x; end Feedback "function" is spelled incorrectly which I'm su...
Write a MATLAB function that returns the square of a number.
> Is it correct ? funciton square = sqr (x) square = x * x; end Feedback "function" is spelled incorrectly which I'm su...
5 years ago | 2