Answered

Error using vertcat Dimensions of arrays being concatenated are not consistent.

It seams that if there is a space between the real and imaginary parts of the number, Matlab considers it as two different numbe...

Error using vertcat Dimensions of arrays being concatenated are not consistent.

It seams that if there is a space between the real and imaginary parts of the number, Matlab considers it as two different numbe...

29 jours ago | 0

| accepted

Answered

uicontrol callback function with single variable

The following works. Though, I cannot explain why function test(~,~,multiple)

uicontrol callback function with single variable

The following works. Though, I cannot explain why function test(~,~,multiple)

environ un mois ago | 1

Answered

How to find points between two intersecting lines?

myData = [X,Y]; y1 = 3 - X; y2 = 2/3*X + 4/3; Y1 = Y(Y < y2 & Y > y1); X1 = X(Y < y2 & Y > y1); % or X1 = X(Y == Y1) myData...

How to find points between two intersecting lines?

myData = [X,Y]; y1 = 3 - X; y2 = 2/3*X + 4/3; Y1 = Y(Y < y2 & Y > y1); X1 = X(Y < y2 & Y > y1); % or X1 = X(Y == Y1) myData...

environ un mois ago | 1

| accepted

Answered

Why are these two ways of writing the same integral giving me different results?

Use the option 'ArrayValued',true pot1=kappa*rho1*integral(f,0,pi,'ArrayValued',true);

Why are these two ways of writing the same integral giving me different results?

Use the option 'ArrayValued',true pot1=kappa*rho1*integral(f,0,pi,'ArrayValued',true);

environ 2 mois ago | 0

Answered

Writing titles and x/y labels inside a for loop and if-statements

remove stem(n, x) before if statement

Writing titles and x/y labels inside a for loop and if-statements

remove stem(n, x) before if statement

2 mois ago | 0

| accepted

Answered

3D Plot Color Map Gradation

Try this: cmp=colormap(turbo(256)); caxis([-0.5,0.5]); cmp1=cmp; cmp1(1:128,:)=flipud(cmp1(129:256,:)); colormap(cmp1); co...

3D Plot Color Map Gradation

Try this: cmp=colormap(turbo(256)); caxis([-0.5,0.5]); cmp1=cmp; cmp1(1:128,:)=flipud(cmp1(129:256,:)); colormap(cmp1); co...

2 mois ago | 0

| accepted

Answered

Matrix display answers without sigmas

You may be running your code in the live editor. Running the code in a usual script or command window displays the result in t...

Matrix display answers without sigmas

You may be running your code in the live editor. Running the code in a usual script or command window displays the result in t...

2 mois ago | 0

| accepted

Question

minor grid in consecutive plots

If I run the following code (within a script or command window) several times, then the minor grids will be 'on' only every othe...

2 mois ago | 1 answer | 0

Answered

How can I minimize the outer space for the figure or plot

You can do as follows: x=-2*pi:0.1:2*pi; y=sin(x); figure(1) ax=gca; ax.Position=[0.075 0.075 0.9 0.9]; % default position ...

How can I minimize the outer space for the figure or plot

You can do as follows: x=-2*pi:0.1:2*pi; y=sin(x); figure(1) ax=gca; ax.Position=[0.075 0.075 0.9 0.9]; % default position ...

3 mois ago | 0

Answered

How to make a odd number plot look aligned using subplot or tiledlayout?

Happy with the following? x=-2*pi:0.1:2*pi; y1=sin(x); y2=cos(x); y3=sin(x); y4=sinh(x); y5=cosh(x); figure(1) clf su...

How to make a odd number plot look aligned using subplot or tiledlayout?

Happy with the following? x=-2*pi:0.1:2*pi; y1=sin(x); y2=cos(x); y3=sin(x); y4=sinh(x); y5=cosh(x); figure(1) clf su...

3 mois ago | 0

| accepted

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...

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...

11 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...

12 mois ago | 1 answer | 0

Question

How to display special characters in tooltip?

Symbols <, > and & are displayed in tooltip in Appdesigner as <, > and & Is the way to display those symbols correctl...

12 mois ago | 1 answer | 0

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 ...

environ un an ago | 1 answer | 0

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);

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);

plus d'un an 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...

plus d'un an ago | 0 answers | 1

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 ...

presque 2 ans ago | 2 answers | 0

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 ...

presque 2 ans ago | 2 answers | 0

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...

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...

presque 2 ans 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

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

presque 2 ans 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...

presque 2 ans ago | 1 answer | 0

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), ...

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), ...

presque 2 ans ago | 1

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)));

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)));

presque 2 ans 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...

environ 2 ans ago | 1 answer | 0

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...

environ 2 ans ago | 1 answer | 0

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...

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...

environ 2 ans 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...

environ 2 ans ago | 0 answers | 0

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...

environ 2 ans ago | 1 answer | 0

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)

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)

environ 2 ans ago | 1