# Ajay Kumar

Last seen: plus de 3 ans il y a Actif depuis 2019

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Student.
MATLAB enthusiast.

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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(...

environ 4 ans il y a | 0

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

environ 4 ans il y a | 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...

plus de 4 ans il y a | 0

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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...

plus de 4 ans il y a | 0

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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...

plus de 4 ans il y a | 1

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how to write a axis in hours format

plus de 4 ans il y a | 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...

plus de 4 ans il y a | 0

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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_

plus de 4 ans il y a | 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

plus de 4 ans il y a | 0

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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

plus de 4 ans il y a | 1

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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(...

plus de 4 ans il y a | 0

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

plus de 4 ans il y a | 0

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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 ...

plus de 4 ans il y a | 0

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

plus de 4 ans il y a | 0

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

plus de 4 ans il y a | 4

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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

plus de 4 ans il y a | 0

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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...

plus de 4 ans il y a | 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...

plus de 4 ans il y a | 0

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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}...

plus de 4 ans il y a | 0

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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 ...

plus de 4 ans il y a | 1

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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.

plus de 4 ans il y a | 0

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

plus de 4 ans il y a | 1

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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...

plus de 4 ans il y a | 0

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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.

plus de 4 ans il y a | 0

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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'; %...

plus de 4 ans il y a | 0

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In the ButtonPushed callback, you can directly assign the values of dropdown menu. For eg: Dropdown.Value = "Your Option in dro...

plus de 4 ans il y a | 0

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

plus de 4 ans il y a | 0

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

plus de 4 ans il y a | 0

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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...

plus de 4 ans il y a | 0

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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...

plus de 4 ans il y a | 0

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