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arduino code not working with MCR
I was able to successfully run my Arduino-based code in MATLAB- but when I tried to compile the code and run under MCR, it retur...

environ 8 ans il y a | 1 réponse | 0

1

réponse

Question


computer freezes during heavy array calculation
Tried limiting max array size to 80% RAM, did not help. Windows 10 64bit, page file managed by windows. R2016B

environ 8 ans il y a | 1 réponse | 1

1

réponse

Question


issues writing a time string to excel
I am trying to write the following string (generated using datestr) into excel: '12:01:33.500 AM' In excel, it truncates the...

environ 9 ans il y a | 1 réponse | 0

1

réponse

Question


how to export a 2 dimensional cell array of strings with different lengths to an excel file?
I understand XLSwrite only takes matrices. I cannot use matrices since every element is a string with different sizes

environ 9 ans il y a | 1 réponse | 0

1

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Question


last iteration of the for loop takes too long
The last iteration of the outer loop (j=20) takes a very long time to exit- much longer than 1-19. When I debug line by line, it...

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question


how to enable/disable a pushbutton based on a radio selection? (guide gui)
I have a radio button group woth 2 buttons; depending on which radiobutton is selected, I want to enable/disable a pushbutton.

environ 12 ans il y a | 1 réponse | 1

1

réponse

Question


how to create a msgbox without "ok" button?
I need to create a "please wait..." message box, that will keep user from interacting with GUI and will close once internal calc...

environ 12 ans il y a | 1 réponse | 2

1

réponse

Question


how to enable rotate3d for guide axes?
how do I rotate 3d a graph drawn in axes pane in a GUIDE figure?

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


how to pass data to sub-gui using guidata
I have a pushbutton(pushbutton8) in the main gui that will open another gui(also created using guide). All the data is stored in...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
how to create global variables for gui created using guide
I would rather use nested functions. According to "Data Management in a GUIDE gui" document, it is possible to "nest the GUI cal...

environ 12 ans il y a | 0

Question


how to create global variables for gui created using guide
when I create a gui using guide, the generated code is basically a series of non-nested functions, starting with intialization f...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question


how to detect folder address
The following code performs an operation on all files present in a folder specified by "pathh". I need to be able to copy the co...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question


drop down gui help
I need a drop-down menu to populate a vector. option 1: have user enter a single number(default is 1.5) and duplicate it to popu...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


GPU acceleration to speed up matrix operations?
I work with large 4D data matrices. Would I benefit from using parallel computing toolbox to speed things up? I do have a comput...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


how to define a 3D volume in a matrix
I need to define a cylinder(diameter=20cm and height=25cm) in a 3D matrix A(40x40x50) such that each element represents a 5mm x ...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question


how to export figure data into a .mat file
X=[0:.1:10]; Y=rand(length(X)); plot(X,Y) is there a way to add a menu item to the figure window to save data (X,Y)...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question


how to display elements of a 2D matrix as color-coded squares
like for a 16x16 matrix: <http://i.imgur.com/oqWqE.jpg>

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
how to limit arrow length in 3D quiver plot?
here is what works: Ln = sqrt(U.^2 + V.^2 +W.^2); Maxlen=100; U(Ln>Maxlen)=U(Ln>Maxlen)./Ln(Ln...

presque 13 ans il y a | 0

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Question


how to step out of a for loop
during debugging, I need to complete a for loop and continue debugging line by line; when I press shift+F11 it gets out of debug...

presque 13 ans il y a | 3 réponses | 0

3

réponses

Réponse apportée
how to allow user to get an arbitrary line profile from a contourplot
I need the code to allow user to be able to click on one corner of the slice, hold the left mouse button, and drag cursor to som...

presque 13 ans il y a | 0

Question


how to allow user to get an arbitrary line profile from a contourplot
lets say we have a slice figure: [X Y Z]=meshgrid([-2:.1:2],[-2:.1:2],[-2:.1:2]); f=rand(41,41,41); slice(X,Y,Z,f,0,[...

presque 13 ans il y a | 3 réponses | 0

3

réponses

Question


equality operator between matrix and scalar
consider: a=[-1:0.1:1]; c=a==.1; it returns c as a matrix of nulls; while I expect c(12) to be 1.

presque 13 ans il y a | 4 réponses | 0

4

réponses

Réponse apportée
data cursor function for 3D slice
that worked... thanks Total longshot, but is there a way to draw a line across the slice and plot the line profile? (i.e. hav...

presque 13 ans il y a | 0

Question


data cursor function for 3D slice
I need to make the data cursor on a 3D slice display value of the function being displayed; i.e. for slice(X,Y,Z,f,0,[],[]) make...

presque 13 ans il y a | 2 réponses | 1

2

réponses

Question


2D contourplots of a 3D function
I have a 3D matrix; corresponding to values of function f in space. I would like to display 2D contourplots of f at certain plan...

presque 13 ans il y a | 1 réponse | 0

1

réponse

Question


how to limit arrow length in 3D quiver plot?
I have a vector field with a large dynamic range; I would like to set a high threshold on vector magnitudes being displayed. ...

presque 13 ans il y a | 3 réponses | 1

3

réponses