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Ajay Kumar


Last seen: Today
71 total contributions since 2019

Student.
MATLAB enthusiast.

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Answered
How to solve a matrix quadratic equation?
Kminusw2 = K - w^2; mymatrix = Kminusw2.*M; myfinalanswer = det(mymatrix);

3 Tage ago | 0

Answered
Plotting in App designer
x = 1:10; y = sin(x); plot(app.UIAxes,x,y);

4 Tage ago | 0

Answered
Adding a second x-axis to the top
https://uk.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html

7 Tage ago | 0

Answered
Previous Value of Numeric Edit Field
Try to save the Previous value in a temporary variable. For eg: temp = app.NumericEditField.Value; if error app.NumericE...

7 Tage ago | 0

Answered
How to stop the program if an array is empty?
Handle the exception using try catch blocks signal1 = [1,2,3,4,5,6]; signal2 = [7,8,9,10,11,12]; signal3 = [13,14,15,16,17,1...

12 Tage ago | 0

| accepted

Answered
save data in for loops
Yes, You are trying to assign 2 matrices of different size. Try this: coordinate= zeros(41,1); for a=1:21 X = snakes{1,a}...

12 Tage ago | 0

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Answered
figure doesn't appear in new window
Are you sure? because Figure 2 window lies exactly on Figure 1 window. Just check the matlab windows. If you want to shift the ...

13 Tage ago | 0

Answered
How to say remove "-1" from the end of a string if exists?
play with positions. For eg: S = 'sectioned-1'; S = S(1:end-2) For an array, write this in a simple for loop.

25 Tage ago | 0

Answered
Inserting a row and moving other rows down
A = [A(1,:);[1,1,1,1];A(2,:);A(3,:)]

25 Tage ago | 1

| accepted

Answered
How to modify the text visibility in a Gui that created using App Designer
What is the exact name of the component? I would suggest you to rename it if its only Label. For example, if you rename it to C...

etwa ein Monat ago | 0

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Answered
matlab app designer ,UI axes how to disable XTick label ?
I think you want to disable Xlabel String. Search for Xlabel.String property in the property window and also make that empty.

etwa ein Monat ago | 0

Answered
The plot is exceeding the boundaries of the box in a figure.
Did you turn off the Clipping ? Try this after plot: ax = gca; % get the current axis ax.Clipping = 'on'; %...

etwa ein Monat ago | 0

Answered
Linking two dropdown menus to a pushbutton in a GUI
In the ButtonPushed callback, you can directly assign the values of dropdown menu. For eg: Dropdown.Value = "Your Option in dro...

etwa ein Monat ago | 0

Answered
How can I change the value of some elements within a matrix
B =[0, 3, 6]; C= 1./B; C(isinf(C))=0

etwa ein Monat ago | 0

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Answered
Generation of plot using data set
T = xlsread('process.xlsx'); names = {'Memory'; 'Battery Backup'; 'Processing Capability'; 'Screen Size'; 'Camera'}; for i = 1...

etwa 2 Monate ago | 0

Answered
how to install matlab on windows 10
If you are a student, then see if your university/college has a Campus-Wide Access. For checking go to: https://uk.mathworks.com...

etwa 2 Monate ago | 0

Answered
How can I implement code online?
You can use MATLAB compiler to make your GUI/App as a standalone application or web application. Please read: https://uk.mathw...

etwa 2 Monate ago | 0

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Answered
Drag and drop images
You can use the axes component. doc uiaxes and in the startup function you could write something like this: imshow('yourpictu...

etwa 2 Monate ago | 0

Answered
writing a callback in a gui
You can use 3 editfields (2 for x and y inputs and 1 for displaying the output) and 3 buttons (NOT, OR, AND) and you can write c...

etwa 2 Monate ago | 0

| accepted

Answered
does anyone know how we enter data manually into "uitable"?
One option could be writing callback to button(Enter data) wherein we use inputdlg to get the user inputs for all values and ass...

etwa 2 Monate ago | 0

Answered
How do i assign value of a sub-cell element to a variable
{sum([7,6,4,8,7,9,1,12]), sum([9,6]), 31} Is this what you wanted?

3 Monate ago | 0

Answered
Matlab App Designer Array
doc inputdlg for eg, to get the number of inputs: prompt = {'Enter number of inputs:'}; dlgtitle = 'Input'; dims = [1 35]; ...

3 Monate ago | 2

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Answered
MATLAB app designer : .exe file extremly slow when opening and calculating
I would suggest you to break the 5000 lines of code in app designer code view to multiple function files (.m) files. As executi...

3 Monate ago | 0

Answered
additional non linear x axes
Have a read at this link. https://uk.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html where...

3 Monate ago | 0

| accepted

Answered
Uigetfile will make app be behind another windows.
add these lines after uigetfile drawnow; figure(app.UIFigure) assuming your UIFigure's name is app.UIFigure

3 Monate ago | 0

Answered
Rename file with editfield(App designer)
You can do this. Suppose you entered 'oldname' in text editfield. i.e. your_editfield.Value = 'oldname'; now save the file usi...

3 Monate ago | 0

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Answered
Callback function on window focus?
f = figure; drawnow figure(f);

3 Monate ago | 0

Answered
Storing data in cell array using for loop
You are creating a new cell array everytime n is incrementing, which leads to loss of previous data. so, create the cell array o...

3 Monate ago | 2

| accepted

Answered
App Designer uitextarea control gives position values not in pixels when window is maximised?
When I do this: fig = uifigure; txa = uitextarea(fig); txa.position I get the Output as 100 100 150 60 which are pixels.

3 Monate ago | 1

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Answered
App designer big projects
Yes, you can read an excel sheet and get the words. Simply create a push button in the GUI, in the pushbutton callback, write th...

3 Monate ago | 0

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