Geoff Hayes
Professional Interests: Software Engineering, Target Tracking, Video Streaming apps
MATLAB Central Treasure Hunt finisher badge
Awarded to Geoff Hayes on 08 Dec 2020
Answer 10 questions that were unanswered for more than 30 days
Awarded to Geoff Hayes on 11 Feb 2020
Publish your first review
Awarded to Geoff Hayes on 09 Oct 2019
Contribute at least one answer each month for 36 consecutive months
Awarded to Geoff Hayes on 20 Jul 2017
Accept 1 answer given by other contributors
Awarded to Geoff Hayes on 20 Jul 2017
100 of your answers have been accepted
Awarded to Geoff Hayes on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Geoff Hayes on 20 Jul 2017
15-year anniversary Scavenger Hunt finisher badge
Awarded to Geoff Hayes on 09 Nov 2016
Like a problem or solution
Awarded to Geoff Hayes on 28 Jun 2014
Solve a problem for the first time
Awarded to Geoff Hayes on 20 Apr 2014
Content Feed
Error when plot loaded .mat file in app designer
Aron - I suggest you use the MATLAB debugger to step through the code and see what the variables w_grad = load('w_gradiens_lotk...
21일 전 | 0
| 수락됨
How do i call the recorded audio into another push button and compress it in GUI.
Muhammad - you can either extract the data from the plot (from handles.axes1) or just save the recorded data to the handles obje...
약 1달 전 | 1
| 수락됨
How can I use the iteration to store variables? It gives error Subscript indices must either be real positive integers or logicals.
Shivanshu - presumably the error is with for i=1:itt options=odeset('RelTol',1e-3,'AbsTol',1e-6); [t,x]=ode23(@...
약 1달 전 | 0
| 수락됨
How to make a sum series using a for loop
Petch - in your code, you are assigning the kth iteration value (plus x) to s rather than summing all values. Try instead s = x...
약 1달 전 | 0
| 수락됨
creating a .txt file with values that the user inputs in Matlab app designer
Joseph - if your app has a text field that allows the user to enter the name of the file to save to, then you could do something...
약 1달 전 | 0
| 수락됨
Cutting up image into smaller blocks - how to name resulting blocks according to grid pattern?
David - ca seems to represent your cell array of blocks. The code you have (already) to write the blocks is for K = 1 : numel(c...
약 2달 전 | 1
Unable to image files automatically with different file names
Warid - the code error message Error in ngui>pushbutton2_Callback (line 167) imwrite(seg, filename); does not correspond exa...
약 2달 전 | 0
| 수락됨
CAN'T USE THE FUNCTION watershed in matlab for image segmentation??
Arun - is watershed a function or a script? In this case, I suspect that it is a script and does ot have a function signature. W...
약 2달 전 | 0
| 수락됨
i am getting this error "Unable to resolve the name handles.SignalParameterDropDown"..plzzz!!!Help.
Abhishek - there is no handles variable in your RunButtonPressed function. Perhaps you mean to use app instead of handles?
약 2달 전 | 0
Matlab bouncing ball in box
Dakota - your axes limits are set as set(gca, 'XLim',[-10 10], 'YLim', [-10 10]); but the limits you set in code for the box a...
약 2달 전 | 2
Loop index is changed on a for loop
Andrea - when you populate a row in a table, you reset the start and end times end_time=NaT; start_time=NaT; ...
2달 전 | 0
MATLAB email body include text and a table
Fragkiskos - from sendmail, The sendmail function does not support HTML-formatted messages. However, you can send HTML files as...
2달 전 | 1
| 수락됨
How to dynamically change a sine wave sound frequency ?
Pierre - I don't think you can dynamically change the frequency even if using the audioplayer. I think that you could use one pl...
2달 전 | 1
| 수락됨
How to create a minesweeper board using a matrix
Aaron - note the top left corner code grid(r, c) == length(find(grid(r:r+1, c:c+1), 9)) Here you are comparing with == and sh...
2달 전 | 0
| 수락됨
How to read units from a column in a table in Matlab?
Jason - T.Properties.VariableUnits{2} will get you the units for the second column. T.Properties.VariableUnits{2} = 'NewUnit...
2달 전 | 0
Dynamically adding callback functionalities to uimenu items
Shreedhar - in your loop, the variable tmp is always being overwritten for i = 1 : maxLimit tmp = uimenu(app.Openrecently...
2달 전 | 0
| 수락됨
Tie to frequency using F
Karl - are you reading the correct columns? For example, on my Mac, the time array time = xlsread('Lab-2ciii.xlsx','A1:A300'); ...
2달 전 | 0
| 수락됨
How to hide a uitab with RadioButtonGroup?
Why not just hide or show the tab using the Visible property? For example, you could do app.TabGroup = uitabgroup(app.UIFigure)...
2달 전 | 0
How to convert this 'out_17-May-2021.xlsx' into 'out_20210517.xlsx'?
Joanna - perhaps try using datestr(now,'yyyymmdd') instead/
2달 전 | 0
| 수락됨
Displaying an image on UIAxes in App Designer that doesn't appear
Ahmed - I suspect the problem is with your variable for image1. It is declared as a global variable in ApplyNoiseButtonPushed fu...
2달 전 | 1
| 수락됨
Making heading data continuous (i.e. instead of 359 --> 0 degrees make it 359 --> 360 degrees)
Amritz - perhaps a polarplot might be useful: polarplot(headingData*pi/180.0, (A(:, 1)-t0)/1000);
2달 전 | 0
How do I change the axis things get plotted on?
Nick - you need to specify the axes as described at create line on axes. In your case, you might want to save the axes handle to...
3달 전 | 0
| 수락됨
Make a function loop
Eris - if you want to keep rolling until you have a Yatzhee, then you probably want to use a while loop. % set the roll count ...
3달 전 | 0
blackjack adding another number to a vector in a while loop & input words for a if loop
Liam - since you are asking the user to enter in the command to "stand" or "hit", then you should be using the strcmpi to compar...
3달 전 | 0
| 수락됨
while creating figure based app in MATLAB, how to give callback to another matlab code?
Ashwini - yes, you should be able to use your other MATLAB code depending upon how it is written. You will want it to be a funct...
3달 전 | 0
User selected points from a plot
Kyle - from https://www.mathworks.com/matlabcentral/answers/11439-selecting-data-from-a-plot-in-a-gui, there is an answer that s...
3달 전 | 0
| 수락됨
How do I specify a variable from a table that uses words and not numerical values
Elias - try using strcmp or the case-insensitive strcmpi.
3달 전 | 0
matlab Invalid expression error
Jakub - try adding a semi-colon after title(['t = ', num2str(t)]); so that it is distinct from the axis square; Or write e...
4달 전 | 0
Preserve Name of Indexed Variable for columns when creating a Table
TS - you can set the variable names when you create the table T = table(Time(1:50,:),Data(1:50,:),Etc(1:50,:), 'VariableNames',...
4달 전 | 0
not enough input arguments error
sudheer - if you are calling this function from the command line (or another piece of code) as simply trans then you will get ...
4달 전 | 0
