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# Ajay Kumar

Last seen: 3 years ago Active since 2019

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Student.
MATLAB enthusiast.

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Answered
Problems of convert decimal number to a string
You can define precision property in num2str. For example: num = [110.00001, 10.00000000000000001,99.01]'; your_ans = num2str(...

4 years ago | 0

Answered
appdesigner code view ANNOYANCE!
In the code view window -> editor tab -> View section find 'Enable app coding alerts' and uncheck that.

4 years ago | 0

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Multiple outputs by a loop
Param=regexp(fileread('parameters.txt'), '\r?\n', 'split') .'; for i=1:size() fid = fopen( ['output',i,'.txt'], 'w'); fprint...

4 years ago | 0

Answered
debugging within built in matlab function
right click on polyfit in editor window and select open "polyfit" You can see the complete code behind polyfit and you can plac...

4 years ago | 0

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Answered
saving outputs from a loop
%matlab code for euler's method clear all clc f=@(x,y)(x^2)/(1+y^2)+2*y; x0=input('Enter initial value of x or x(0): ');%you...

4 years ago | 1

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Answered
how to write a axis in hours format
Again it resembles the same question you asked, which already has the answer. https://www.mathworks.com/matlabcentral/answers/5...

4 years ago | 0

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how to change axis to text format
Use xticklables for eg: x = linspace(0,12); y = x.^2; plot(x,y) xticks([0:1:12]) xticklabels({'','Jan','Feb','Mar','Apr','M...

4 years ago | 0

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Answered
Calculate average (daily, monthly, seasonally) for long time series data
You can ignore NaN values using property omitnan https://www.mathworks.com/help/matlab/ref/mean.html#buql3m_

4 years ago | 0

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How to convert matrix to CSV file
for i = 1:length(sequences) csvwrite(['hmdb51_org/bend',num2str(i),'.csv'], sequences{i}); end

4 years ago | 0

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Answered
How do I write a loop which creates a random number and adds the previous values
res_sum = 0; for i=1:23; a(i) = randn(1); res_sum = res_sum + a(i); end

4 years ago | 1

Answered
How to repeat input prompt for each data set?
You are replacing the m and a everytime in the for loop. try this u=menu('What is your unit system?','SI','English'); d=input(...

4 years ago | 0

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Answered
How do I remove a set of repeated values in a x by 2 matrix?
unique(matrix)

4 years ago | 0

Answered
calculat the percentage of the red curve in the blue one?
Do you mean exactly same values in red and blue lines? You can do: same_values = find(blueline==redline); % gives same samples ...

4 years ago | 0

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

4 years ago | 0

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

4 years ago | 4

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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

4 years 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...

4 years ago | 0

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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...

4 years ago | 0

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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}...

4 years 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 ...

4 years ago | 1

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.

4 years ago | 0

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

4 years ago | 1

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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...

4 years 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.

4 years 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'; %...

4 years ago | 0

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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...

4 years 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

4 years 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...

4 years 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...

4 years 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...

4 years ago | 0

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