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Ajay Kumar

Last seen: Today
84 total contributions since 2019

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(...

10 months ago | 0

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

10 months 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...

11 months ago | 0

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...

11 months ago | 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...

11 months ago | 1

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how to write a axis in hours format

11 months ago | 0

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...

11 months ago | 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_

12 months ago | 0

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

1 year ago | 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

1 year ago | 1

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(...

1 year ago | 0

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

1 year ago | 0

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 ...

1 year ago | 0

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

1 year ago | 0

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

1 year ago | 1

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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

1 year ago | 0

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...

1 year ago | 0

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...

1 year ago | 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}...

1 year ago | 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 ...

1 year ago | 1

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.

1 year ago | 0

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

1 year ago | 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...

1 year ago | 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.

1 year ago | 0

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'; %...

1 year ago | 0

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

1 year ago | 0

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

1 year ago | 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...

1 year ago | 0

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...

1 year ago | 0