Email: feel free to contact me regarding my shared files on the file exchange. I don't do free consulting outside of the forum so if you have a Matlab question, post the question to the forum and you may email me the link to the question.

About me: Finishing PhD soon on topics related to vision science; neurophysiology; sensory-motor feedback and control; control systems; steering & navigation; multisensory integration; top-down bottom-up feedback loop.

"If I had only one hour to save the world, I would spend fifty-five minutes defining the problem, and only five minutes finding the solution." -Albert Einstein

"An expert is a person who has made all the mistakes that can be made in a very narrow field." -Niels Bohr

"If you are not embarrassed by the first version of your product, you've launched too late" - Reid Hoffman

Answered

How can I connect the points on my graph?

You need to store the values within the loop and then plot them after the loop. The changes will look something like this inco...

How can I connect the points on my graph?

You need to store the values within the loop and then plot them after the loop. The changes will look something like this inco...

1 day ago | 0

| accepted

Answered

How to calculate how many plot tick would exist if the axis completely filled the figure

Given an axis within a figure, compute what the x and y axis limits would be if the axis extended to the edges of the figure. ...

How to calculate how many plot tick would exist if the axis completely filled the figure

Given an axis within a figure, compute what the x and y axis limits would be if the axis extended to the edges of the figure. ...

2 days ago | 0

Answered

Add or subtraction a unit to matrix even elements in matlab

r=[1,2,3,4;5,6,7,8;9,10,11,12;13,14,15,16] isEven = mod(r,2)==0; z = r; z(isEven) = z(isEven)+2 If you intended to ask how...

Add or subtraction a unit to matrix even elements in matlab

r=[1,2,3,4;5,6,7,8;9,10,11,12;13,14,15,16] isEven = mod(r,2)==0; z = r; z(isEven) = z(isEven)+2 If you intended to ask how...

2 days ago | 0

Answered

Printing cell array values as simple numbers?

Options to convert a 1xn cell array containing scalar numbers to a vector (or string) rng('default') % for reproducibility x ...

Printing cell array values as simple numbers?

Options to convert a 1xn cell array containing scalar numbers to a vector (or string) rng('default') % for reproducibility x ...

2 days ago | 1

| accepted

Answered

Creating a curved line

What intersections? The first plot can be greately simplified to th = [0:.05:pi, pi:.05:2*pi]; x = linspace(0,1,numel(th)); ...

Creating a curved line

What intersections? The first plot can be greately simplified to th = [0:.05:pi, pi:.05:2*pi]; x = linspace(0,1,numel(th)); ...

2 days ago | 0

Answered

How to do correlation from data with series

You can use xcorr and indexing. t=[21,22 ,323,43,231,53,23,12,53,12]; c=[23,12 ,223,333,21,63,24,23,763,14]; p=["1","1","1",...

How to do correlation from data with series

You can use xcorr and indexing. t=[21,22 ,323,43,231,53,23,12,53,12]; c=[23,12 ,223,333,21,63,24,23,763,14]; p=["1","1","1",...

2 days ago | 0

Answered

Centroid of two arrays

I agree that the documentation on describing the inputs could be more specific. Look at the examples in the documentation for c...

Centroid of two arrays

I agree that the documentation on describing the inputs could be more specific. Look at the examples in the documentation for c...

2 days ago | 0

| accepted

Answered

Cannot share my MATLAB online files to others.

Place the shared content within a folder and share the folder. https://www.mathworks.com/help/matlabdrive/ug/share-and-collabo...

Cannot share my MATLAB online files to others.

Place the shared content within a folder and share the folder. https://www.mathworks.com/help/matlabdrive/ug/share-and-collabo...

2 days ago | 0

Answered

Count number of values of a Matrix inside a range and plot it

bins = [0,3,4,5,15]; h = histogram(B(:),bins); To get the counts within each bin, h.Values

Count number of values of a Matrix inside a range and plot it

bins = [0,3,4,5,15]; h = histogram(B(:),bins); To get the counts within each bin, h.Values

2 days ago | 0

| accepted

Answered

How to calculate the number of times the values of a column changes

This demo matches your 2nd example. This temporarily breaks up the table into sub-tables based on the ID and loops through eac...

How to calculate the number of times the values of a column changes

This demo matches your 2nd example. This temporarily breaks up the table into sub-tables based on the ID and loops through eac...

3 days ago | 0

| accepted

Answered

How to declare a global variable in Startup function of matlab app.designer

Do not use global variables, especially in AppDesigner. Instead, declare a public or private property accessible anywhere wit...

How to declare a global variable in Startup function of matlab app.designer

Do not use global variables, especially in AppDesigner. Instead, declare a public or private property accessible anywhere wit...

3 days ago | 0

| accepted

Answered

Create table from data

Summary of comments under the question, Instead of initializing T as an empty cell, use an empty table. T = table(); A1 = ...

Create table from data

Summary of comments under the question, Instead of initializing T as an empty cell, use an empty table. T = table(); A1 = ...

3 days ago | 0

| accepted

Answered

Compare for uniqueness between 2 very large matrices

To determine if two arrays are 100% identical, use isequal or isequaln to ignore NaN values. To determine if columns in matri...

Compare for uniqueness between 2 very large matrices

To determine if two arrays are 100% identical, use isequal or isequaln to ignore NaN values. To determine if columns in matri...

3 days ago | 0

Answered

Plotting random points within Boundary

If you have the perimeter coordinates, you can create a bunch of random numbers and then eliminate the ones outside of the perim...

Plotting random points within Boundary

If you have the perimeter coordinates, you can create a bunch of random numbers and then eliminate the ones outside of the perim...

3 days ago | 0

Answered

I can't randomly distribute the dots

> I want you to be like the image of a building collapsed in an earthquake. Height points scatter all over the x and y axes Wha...

I can't randomly distribute the dots

> I want you to be like the image of a building collapsed in an earthquake. Height points scatter all over the x and y axes Wha...

3 days ago | 0

Answered

ignore NaN values in loop

The image below shows the location of your missing values. The good news is that the missing values either consume entire colum...

ignore NaN values in loop

The image below shows the location of your missing values. The good news is that the missing values either consume entire colum...

4 days ago | 0

Answered

How to change columns width in uitable

Set multiple rows of ColumnName strings, uit.ColumnName{3} = sprintf('Product\nEmissions\n(Kg CO2eq)\n'); % uit is the uita...

How to change columns width in uitable

Set multiple rows of ColumnName strings, uit.ColumnName{3} = sprintf('Product\nEmissions\n(Kg CO2eq)\n'); % uit is the uita...

4 days ago | 0

Answered

prompt user to reenter function

See examples, Use a wrapper fcn to re-prompt user if input is empty Input must be 1 letter Input must be Yes|No

prompt user to reenter function

See examples, Use a wrapper fcn to re-prompt user if input is empty Input must be 1 letter Input must be Yes|No

4 days ago | 0

Answered

How can I change elevation data in point cloud

Extract (x,y,z) coordinates from the pointCloud object (ptCloud.Location), make changes to the coordinates, and then reassign to...

How can I change elevation data in point cloud

Extract (x,y,z) coordinates from the pointCloud object (ptCloud.Location), make changes to the coordinates, and then reassign to...

4 days ago | 0

Answered

plot graph from cell array

This is the result I get and the plots are clearly different (the shape and the y-axis-limit). For comparison, equate the axi...

plot graph from cell array

This is the result I get and the plots are clearly different (the shape and the y-axis-limit). For comparison, equate the axi...

4 days ago | 0

| accepted

Answered

Reading cell array from excel table, which contains different sizes of doubles

There might be a smoother method but this works with the data from your image. file = 'Book1.xlsx'; opts = detectImportOptio...

Reading cell array from excel table, which contains different sizes of doubles

There might be a smoother method but this works with the data from your image. file = 'Book1.xlsx'; opts = detectImportOptio...

5 days ago | 0

| accepted

Submitted

rectangle2

Similar to Matlab's rectangle() but with more options.

5 days ago | 8 downloads |

Answered

Draw rotated rectangle with rounded edge

I created a function to extend the capabilities of Matlab's rectangle() but with these additional features: Position rectangle...

Draw rotated rectangle with rounded edge

I created a function to extend the capabilities of Matlab's rectangle() but with these additional features: Position rectangle...

7 days ago | 1

| accepted

Answered

Display value in plot "Groups Bars"

How to label bar heights for non-stacked bar plots This demo adds labels above each bar. To add the labels at the top but wit...

Display value in plot "Groups Bars"

How to label bar heights for non-stacked bar plots This demo adds labels above each bar. To add the labels at the top but wit...

8 days ago | 0

| accepted

Answered

Plot with 2 X Axis. Y Axis blurry

It looks like the y-axis limits do not match between both of the axes. The only reason you're using two axes, as far as I can...

Plot with 2 X Axis. Y Axis blurry

It looks like the y-axis limits do not match between both of the axes. The only reason you're using two axes, as far as I can...

9 days ago | 0

| accepted

Answered

Can I use arrows to move Data Tips on scatter plots?

It appears that keyboard control of DataTips is not supported in scatter(). However, a less-than-perfect workaround is to plot ...

Can I use arrows to move Data Tips on scatter plots?

It appears that keyboard control of DataTips is not supported in scatter(). However, a less-than-perfect workaround is to plot ...

9 days ago | 1

Answered

How can I combine these two MATLAB codes? (MATLAB)

This should get you started, s=tf('s'); C=5*(1+0.8*s); P=1/(s*(5*s+1)); CL=feedback(C*P,1); figure step(CL) ax = gca()...

How can I combine these two MATLAB codes? (MATLAB)

This should get you started, s=tf('s'); C=5*(1+0.8*s); P=1/(s*(5*s+1)); CL=feedback(C*P,1); figure step(CL) ax = gca()...

9 days ago | 0

| accepted

Answered

How do i separate data?

Assuming fs is the sampling frequency in Hz, load('06-11_36.mat') resampleInteval = 20; % seconds dataResampled = data(1 :...

How do i separate data?

Assuming fs is the sampling frequency in Hz, load('06-11_36.mat') resampleInteval = 20; % seconds dataResampled = data(1 :...

9 days ago | 0

| accepted

Answered

How to set the max and min value of the colorbar to be displayed on a Heatmap on Matlab 2015

You're using the older HeatMap from the bioinformatics toolbox. Instead, use heatmap which supports caxis(). If you have a ...

How to set the max and min value of the colorbar to be displayed on a Heatmap on Matlab 2015

You're using the older HeatMap from the bioinformatics toolbox. Instead, use heatmap which supports caxis(). If you have a ...

9 days ago | 0

| accepted

Answered

How can I put a stopwatch that counts how much time has passed since opening an app?

> I want to measure the time that passes since I open an app Create a timer object in the startup function of the App and start...

How can I put a stopwatch that counts how much time has passed since opening an app?

> I want to measure the time that passes since I open an app Create a timer object in the startup function of the App and start...

9 days ago | 0

| accepted