Answered
How to create an image that has random chunks of black and white pixels
Specify imageSize and blockScale to create randomly placed blocks of black and white pixels. imageSize = [1920,1080]; ...
How to create an image that has random chunks of black and white pixels
Specify imageSize and blockScale to create randomly placed blocks of black and white pixels. imageSize = [1920,1080]; ...
5 years ago | 0
| accepted
Answered
How to change heatmap xtick labels? Also, how to overlay (hold on) some dots over the heatmap?
Heatmaps are difficult to modify and customize. I recommend using imagesc() instead. See inline comments below and additional ...
How to change heatmap xtick labels? Also, how to overlay (hold on) some dots over the heatmap?
Heatmaps are difficult to modify and customize. I recommend using imagesc() instead. See inline comments below and additional ...
5 years ago | 0
| accepted
Answered
How to compute the average path from scattered data (and its variance)?
It looks like the following assumptions can be made: The robot starts at the same location There is a uniform temporal samplin...
How to compute the average path from scattered data (and its variance)?
It looks like the following assumptions can be made: The robot starts at the same location There is a uniform temporal samplin...
5 years ago | 0
Answered
Clipping Surface Plots When Plotting Large Volumes
TL;DR: When the coordinates for the red-dotted sphere are expanded, the axis limits are updated. The new x-axis limits clip th...
Clipping Surface Plots When Plotting Large Volumes
TL;DR: When the coordinates for the red-dotted sphere are expanded, the axis limits are updated. The new x-axis limits clip th...
5 years ago | 0
Answered
Interpolation of layers to obtain a layer in the orthogonal plan
Load data data1 = load('S1.mat'); data2 = load('S2.mat'); data3 = load('S3.mat'); depths = [1 5 10]; Concatenate layers to...
Interpolation of layers to obtain a layer in the orthogonal plan
Load data data1 = load('S1.mat'); data2 = load('S2.mat'); data3 = load('S3.mat'); depths = [1 5 10]; Concatenate layers to...
5 years ago | 0
| accepted
Answered
How to link different scaled axes for zooming in App Designer?
linkaxes has a second input that allows you to link the x,y,or both axes. However, since your y-axes have different scales, the...
How to link different scaled axes for zooming in App Designer?
linkaxes has a second input that allows you to link the x,y,or both axes. However, since your y-axes have different scales, the...
5 years ago | 0
| accepted
Answered
How to reset a variable in a for loop?
The example isn't very clear but I think you want to preserve the random X values within the loop. If so, n = 10; % n...
How to reset a variable in a for loop?
The example isn't very clear but I think you want to preserve the random X values within the loop. If so, n = 10; % n...
5 years ago | 0
Submitted
showImageThumbnails
View thumbnails of image files within a directory.
5 years ago | 287 downloads |
Answered
List of builtin demo images
Update: Starting in Matlab R2021b, the documentation contains a list of some built-in images and their descriptions in Matlab Ex...
List of builtin demo images
Update: Starting in Matlab R2021b, the documentation contains a list of some built-in images and their descriptions in Matlab Ex...
5 years ago | 9
Answered
Coloring scatter plot based on count number
Unchanged base code time = ({'25-Jul-2018 00:00:00';'25-Jul-2018 00:15:00';'25-Jul-2018 00:30:00';'25-Jul-2018 00:45:00';'25-Ju...
Coloring scatter plot based on count number
Unchanged base code time = ({'25-Jul-2018 00:00:00';'25-Jul-2018 00:15:00';'25-Jul-2018 00:30:00';'25-Jul-2018 00:45:00';'25-Ju...
5 years ago | 1
| accepted
Answered
separate strings that are inside a cell
If your goal is to simply be able to read those lines, use cellfun to identify elements of cell array "C" that have more than on...
separate strings that are inside a cell
If your goal is to simply be able to read those lines, use cellfun to identify elements of cell array "C" that have more than on...
5 years ago | 1
Answered
Basic example of cellselectioncallback
CellSelectionCallback documentation Example in the documentation The solution to your goal will look something like this where...
Basic example of cellselectioncallback
CellSelectionCallback documentation Example in the documentation The solution to your goal will look something like this where...
5 years ago | 0
| accepted
Answered
percentages deviations during sampling physical distance with "current point" on different monitors with different resolutions
I cleaned of your snippet of code and left comments where I've made changes. I've also added a horizontal ruler with 1cm tick...
percentages deviations during sampling physical distance with "current point" on different monitors with different resolutions
I cleaned of your snippet of code and left comments where I've made changes. I've also added a horizontal ruler with 1cm tick...
5 years ago | 0
Answered
How do I sort data based on another variable?
If and only if two vectors have the same number of elements, you can sort vector b according to the sorted vector a using, [aS...
How do I sort data based on another variable?
If and only if two vectors have the same number of elements, you can sort vector b according to the sorted vector a using, [aS...
5 years ago | 1
Answered
How to normalize rows using retmap.
I don't know what retmap is (did you mean repmat?) Anyway, this normalizes the matrix by rows as you described, % sample data...
How to normalize rows using retmap.
I don't know what retmap is (did you mean repmat?) Anyway, this normalizes the matrix by rows as you described, % sample data...
5 years ago | 0
Answered
How to define a sequence that goes two directions
[12:-6:-12, 12:6:36]
How to define a sequence that goes two directions
[12:-6:-12, 12:6:36]
5 years ago | 0
| accepted
Answered
How to debug error "Index in position 1 exceeds array bounds"?
> " How to debug error... " That's the right question to ask (+1). Knowing that there would be an error, I started by setti...
How to debug error "Index in position 1 exceeds array bounds"?
> " How to debug error... " That's the right question to ask (+1). Knowing that there would be an error, I started by setti...
5 years ago | 0
| accepted
Answered
Plot disappears when trying to interpolate
Plotting an alphaShape creates a patch object. When set to interp, the EdgeColor property requires existing CData or FaceVertex...
Plot disappears when trying to interpolate
Plotting an alphaShape creates a patch object. When set to interp, the EdgeColor property requires existing CData or FaceVertex...
5 years ago | 0
| accepted
Answered
Hello, can anyone help me to find the count of mushrooms from an image?
I'm an enthusiastic novice in image analysis so I'm not confident that this is the best (or even a good) solution but it might h...
Hello, can anyone help me to find the count of mushrooms from an image?
I'm an enthusiastic novice in image analysis so I'm not confident that this is the best (or even a good) solution but it might h...
5 years ago | 1
Answered
How to test if values are close togather using p-value (ttest)
The ttest assumes that data come from a normal distribution and that a reasonable large sample size is used. Your sample data a...
How to test if values are close togather using p-value (ttest)
The ttest assumes that data come from a normal distribution and that a reasonable large sample size is used. Your sample data a...
5 years ago | 0
Answered
How do you print the F-stat in a multcompare test?
You are performing a one-way ANOVA which means your null hypothesis is that there is no difference in the population means of yo...
How do you print the F-stat in a multcompare test?
You are performing a one-way ANOVA which means your null hypothesis is that there is no difference in the population means of yo...
5 years ago | 0
| accepted
Answered
Why can't I use mapcaplot?
See the documentation. The data input should be a numeric array or a DataMatrix object. Yours is a table. Also see table2arr...
Why can't I use mapcaplot?
See the documentation. The data input should be a numeric array or a DataMatrix object. Yours is a table. Also see table2arr...
5 years ago | 0
| accepted
Answered
How to get rid of this warning which point at extra entries?
Assuming [b2, b1] produces a vector with 4 handles, try this legend([b2,b1], labels{:}) or this labels = {'Electricity consum...
How to get rid of this warning which point at extra entries?
Assuming [b2, b1] produces a vector with 4 handles, try this legend([b2,b1], labels{:}) or this labels = {'Electricity consum...
5 years ago | 1
| accepted
Answered
Stacked bar chart with errorbars
hold on % <--- you forgot this errorbar(x',y',err,'k','linestyle','none','HandleVisibility','off'); Also, you can replace the...
Stacked bar chart with errorbars
hold on % <--- you forgot this errorbar(x',y',err,'k','linestyle','none','HandleVisibility','off'); Also, you can replace the...
5 years ago | 0
| accepted
Answered
Spacing Xticks in plotting a function
"Value must be a vector of increasing datetime values." set(gca, 'Xtick', (0:100:1200), ... Those values above are not datetim...
Spacing Xticks in plotting a function
"Value must be a vector of increasing datetime values." set(gca, 'Xtick', (0:100:1200), ... Those values above are not datetim...
5 years ago | 1
Answered
How to store data from DialogApp in CallingApp while closing the DialogApp in App Designer?
Follow this demo (attached). If you have any trouble, let us know where you're at and we can help you get unstuck. App1 gen...
How to store data from DialogApp in CallingApp while closing the DialogApp in App Designer?
Follow this demo (attached). If you have any trouble, let us know where you're at and we can help you get unstuck. App1 gen...
5 years ago | 0
Answered
How to kill all figure windows in MATLAB?
Update close all force % or close('all','force') In R2016a, Matlab introduced uifigure which has hidden handles by default s...
How to kill all figure windows in MATLAB?
Update close all force % or close('all','force') In R2016a, Matlab introduced uifigure which has hidden handles by default s...
5 years ago | 1
Answered
plotting confidence interval and creating second axis in one plot
Here's a demo that should get you started. The alignment of y=0 on the right axis with the first data point at "x" is done at ...
plotting confidence interval and creating second axis in one plot
Here's a demo that should get you started. The alignment of y=0 on the right axis with the first data point at "x" is done at ...
5 years ago | 0
| accepted
Answered
How to binning 2-d data ?
This approach uses repelem() to generate group IDs by rows. data is the input matrix. nRows specifies the number of consec...
How to binning 2-d data ?
This approach uses repelem() to generate group IDs by rows. data is the input matrix. nRows specifies the number of consec...
5 years ago | 0
Answered
App Designer. Should I use app functions or external fuctions?
> I noticed that the "same" operations are now much slower and crashing more often than when I was not using the App designer, s...
App Designer. Should I use app functions or external fuctions?
> I noticed that the "same" operations are now much slower and crashing more often than when I was not using the App designer, s...
5 years ago | 1
| accepted