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Geoff Hayes


Last seen: Today
2,803 2014 年以降の合計貢献数

Professional Interests: Software Engineering, Target Tracking, Video Streaming apps

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How to use min and max function in mex
A - The error message is telling you what is wrong expected 'double' but argument is of type 'double *'extern double __cdecl fm...

2日 前 | 0

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How to load .txt files into MATLAB from server?
Austin - what is the error that you are observing? Is it Error using cell Size inputs must be scalar. Note the code numfiles...

2日 前 | 0

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getting data from structure
Lichay - you could try something like speedX = arrayfun(@(k)S(k).speed(1), 1:length(S)) where we use arrayfun to iterate over ...

2日 前 | 0

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Globally Converging Newton's Method won't stop running
Julia - the above code may be overcomplicating Newton's Method. I think the code is trying to only allow for 50 iterations (due ...

3日 前 | 0

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How do I fix this so the Iteration will converge?
Savana - I haven't run the above code and so haven't stepped through it with the debugger, but if you were to do so, what would ...

3日 前 | 0

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Matlab GUI Error = "H must be the handle to a figure or figure descendent."
Burak - probably too late to help but in function serialEventHandler(hObject, eventdata, handles, bytesToRead) the hObject par...

5日 前 | 0

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How to close a MATLAB GUI by using count down timer?
Dongyan - the solution will differ depending upon how you have created your GUI (GUIDE, programmatically, or App Designer) but t...

11日 前 | 0

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Adding Strings to list box so that if two strings are same, a number will be added.
Ahmed - I think that you may want to manage, outside of the list box, a separate list of all the strings that have been added to...

12日 前 | 0

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Get Latitude and Longitude from Location Address
Vinayak - you could perhaps try using webread where the URL is formatted similar to what is found at Google Geocoding Dev Guide ...

17日 前 | 0

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Is there a way to copy files with a name specified by a link contained within an array to a new folder?
Jack - without seeing the error message from your above code, I suspect that File_location is a cell array of paths to files and...

17日 前 | 0

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Output for while loop
Mateuz - try storing the data in an array which you can then (for example) write to file after the loop has completed. For examp...

19日 前 | 0

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Linking a pushbutton to two dropdown menus in GUIDE
vedesh - in the pushbutton callback, you would use the handles structure to get the selections from the two dropdown menus. Your...

20日 前 | 0

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matlab appdesinger how to reset to plot ?
tomer - if you have the handle to the axes, then you can use cla to delete all graphics object (including your plot) from the ax...

20日 前 | 0

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How to continue a plot in app designer with a push button?
Davide - rather than waiting and resuming, since all subsequent updates to the axes occur with the press of a button, just put a...

23日 前 | 0

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Loading files from the folder
hamzah - could you use uigetfile and allow the user to select the files that they are interested in? [file,path] = uigetfile('*...

23日 前 | 0

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How to solve this error presented when compiling .cpp files to mex?
Farouk - from mxGetDimensions (C and Fortran), the signature for this function is const mwSize *mxGetDimensions(const mxArray *...

23日 前 | 1

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Matlab Gui - Adquire Video
Sérgio - I suspect the problem might be with your while loop that is preventing the disconnect_Callback from being processed. Yo...

27日 前 | 0

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How do I Ctrl-R on Mac?
Katy - on my version of MATLAB (on a Mac), I can comment a block of code with Cmd /. (Note that Cmd T uncomments the block of co...

約1ヶ月 前 | 0

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Showing more than one image in a GUIDE gui
Douglas - perhaps try imshow(logo_file_name, 'Parent', handles.axes3); where you include the Parent name for the axes value.

約1ヶ月 前 | 0

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Error in saveas, Invalid figure handle
Daphne - from saveas, the first input parameter is a handle to the figure. You've named this fig in your code, but it seems to b...

約1ヶ月 前 | 0

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Redefine variable in function file in script loop
Amie - you could try nesting your Problem2a function within your main code (note that you would need to change your script to a ...

約1ヶ月 前 | 0

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How can I get 3D continuous plot of real time data ?
Aradhya - everytime you call plot3 you are creating a new plot (graphics) object and the previous one is deleted. Perhaps that i...

約1ヶ月 前 | 1

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Converting cell array to matrix
Tham - check your for loop i = length(code); for n = 1:i [~,index] = ismember(code(i), morse) letter(i) = str_letter...

約1ヶ月 前 | 0

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problem with code for arduino voltage reading
Muhammad - the problem is with this line of code a = gca; where you overwrite the arduino assigned variable with the current a...

約2ヶ月 前 | 0

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How can I get the result from uibuttongroup to slider?
Ploy - you haven't indicated what your error is, though it may have to do with y = get(handles.uibuttongroup1, 'Value'); iml...

2ヶ月 前 | 0

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push button callback error
Siti - it looks like you are using GUIDE for your GUI and, for your callback, the comments indicate that there should be three i...

2ヶ月 前 | 0

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Code Clarification on If statements
Julia - all this code if PromptMessage == 1 Choice2 = PlayerOption(1); elseif PromptMessage == 2 Choice2 = PlayerOpt...

2ヶ月 前 | 0

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Using Function to test height allowed on ride
Payton - where in your function, do you assign the result to ans function [ans] = ride(height) if (height<48) height = 'no...

2ヶ月 前 | 1

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Element-wise Conditional Statements in Script
Zachary - you seem to be missing an end in your code. Perhaps try for j=1:3 Qr(j) for i=1:50 if Pc(i,j)>=P0(...

3ヶ月 前 | 0

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How can i express many bezier curve in one figure?
Jin - you call figure;hold on; grid on; three times and so create three figures. If you just want all the plots on a single fi...

4ヶ月 前 | 0

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