Community Profile

photo

G A


Last seen: 14 jours ago
80 total contributions since 2012

Contact

G A's Badges

  • Revival Level 1
  • 3 Month Streak
  • Thankful Level 2
  • Knowledgeable Level 2
  • First Answer
  • Solver

View details...

Contributions in
View by

Answered
How do I create two legends in one GScatter Plot?
Rearrange your code in the following sequence: figure(); clf hold on gs1 = gscatter(data(:,1),data(:,2),target,[],[],20); g...

3 mois ago | 0

Question


another app designer tooltip bug?
I have quite a few uicontrols in my_ App, which I have just migrated from GUIDE to Appdesigner. Because HTML does not work in Ap...

3 mois ago | 0 answers | 0

0

answers

Question


How to display special characters in tooltip?
Symbols <, > and & are displayed in tooltip in Appdesigner as &lt;, &gt; and &amp; Is the way to display those symbols correctl...

3 mois ago | 1 answer | 0

1

answer

Question


Tool tip bug in App Designer?
There is a problem of dysplaying a tool tip when edit field of small size is placed on the edge of app's frame. classdef test2 ...

5 mois ago | 1 answer | 0

1

answer

Answered
Index exceeds the number of array elements (0).
lengths of L and framemax must be equal try L = d2:(d3-d2)/100:d3; framemax = length(L);

8 mois ago | 0

Question


multiplication by 0.5 vs division by 2
I tried the following with two options - matrix and scalar clear; N = 1e7; tic for n = 1:N % a=[n n;n n]/2; a = n/2; b...

environ un an ago | 0 answers | 1

0

answers

Question


is it a bug?
The code below (i) does not produce an error message about not matching x and y; it can be explained by implicit expansion in ...

environ un an ago | 2 answers | 0

2

answers

Question


which way to call function is better?
I have more than hundred of input parameters in myfunc and I am using the following way to call the function after grouping the ...

environ un an ago | 2 answers | 0

2

answers

Answered
GUI: Can't access data from another callback function with handles
G A on 31 Aug 2019 at 8:38 Put the line guidata(hObject, handles); at the end of your function control_browse_button_Callbac...

environ un an ago | 0

| accepted

Answered
How can I generate equal visual witdh bars with bar graph and log absciss scale ?
Instead of making the x-scale logarithmic by set(gca, 'xscale','log'), use linear x-scale and log10(Frequency) as X

plus d'un an ago | 0

| accepted

Question


is it a bug?
In the following code, if view(2) or view(0,90) is defined before axis() which is not auto, then a default 3D figure will be plo...

plus d'un an ago | 1 answer | 0

1

answer

Answered
Creating a contour plot of magnitude in 3D
Something like this? a=-1:0.1:1; b=-1:0.1:1; [X,Y]=meshgrid(a,b); Z=X.^2+Y.^2; M=[0.5 1]; hold on grid on surf(X,Y,Z), ...

plus d'un an ago | 1

Question


is it a bug?
str2num('"abc"') ans = "abc"

plus d'un an ago | 1 answer | 0

1

answer

Answered
Not obtaining the right shape with matlab plot
Add a dot ./ in the line: si=atan(sin((N+1).*phi)./(R./r3-cos((N+1).*phi)));

plus d'un an ago | 1

| accepted

Question


how can I do it without using eval
There are quite a few handles of uicontrols and uipanels named h1,h2...hN in my code exported by GUIDE. I want to create structu...

plus d'un an ago | 1 answer | 0

1

answer

Question


Is there the more elegant way to do this?
By trial and error I came to the following solution for choosing in my GUI a colormap and the number of colors to be used for my...

plus d'un an ago | 1 answer | 0

1

answer

Answered
Using Push Button to Export a String to an Edit Textbox (GUI)
set(handles.edit1,'String', Name); % Displaying my string "Name" into my Edit Textbox. Put this line in your pushbutton4_Callb...

plus d'un an ago | 1

| accepted

Question


not documented in Matlab?
Both, ishandle(H) and ishghandle(H), are given in doc with only one input argument possibility, however ishghandle(H,'property...

plus d'un an ago | 0 answers | 0

0

answers

Question


Two fields Tooltip and TooltipString duplicating each other.
I was playing with my GUI exported by GUIDE from fig-file and found that there are two fields in object properties containing th...

plus d'un an ago | 1 answer | 0

1

answer

Answered
3d dimensional surface
v = [-2:0.1:2]; w = [-2:0.1:2]; [X,Y] = meshgrid(v,w); Z = 6*X.^2-4*X.^2.*Y.^2; figure(3); surf(X,Y,Z)

plus d'un an ago | 1

Answered
How to combine plots on subplot?
figure(1) clf subplot(3,1,1) hold on plot(temp1,black1,'ko-'), plot(temp1,white1,'go-'), plot(temp1,pol1,'bo-'), plot(t...

plus d'un an ago | 0

| accepted

Answered
How do I plot from multiple mfile into a same figure
Add "hold on" In your mfile2 anywhere before "plot(xfit,yfit)" : figure(2); %figure 2 hold on

plus d'un an ago | 0

Answered
Low pass filtering in frequency domain
fft(x) usually returns a complex value. X_Mag = abs(fft(x)); - from here you are losing the information about the real and imagi...

plus d'un an ago | 0

Answered
Need help plotting multiple graphs in one UIAxes
Your if-statement is returning only one option. Try the following way: function GraphbButtonPushed(app, event) x =...

plus d'un an ago | 0

| accepted

Answered
I am trying to create a surface plot with nested loops and am getting the error "Z must be a matrix, not a scalar or vector."
Try something like the following (z must be a matrix): for m = 1:10 x(m) = m; for n = 1:10 y(n) = n; ...

plus d'un an ago | 1

| accepted

Question


Is there the more elegant way to do this?
I would like to call arguments of function from a string or cell array. For example, this code works as I want: function te...

plus de 6 ans ago | 2 answers | 0

2

answers

Question


Why Matlab is not changing the name of the GUI window?
The names of my fig-file and main m-file are, for example, |'Version15.fig'| and |'Version15.m'| , however, after executing thos...

plus de 6 ans ago | 2 answers | 0

2

answers

Answered
How to use the power operator in xlabel?
xlabel('A*R^{2/3}m^{8/3}')

presque 7 ans ago | 3

Answered
How to read complex number from a *.csv file?
https://www.mathworks.co.uk/matlabcentral/newsreader/view_thread/239213 http://smallbusiness.chron.com/read-csv-matlab-50663....

presque 7 ans ago | 0

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

presque 7 ans ago

Load more