# Ajay Kumar

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MATLAB enthusiast.

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**Content Feed**

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(...

mer än 2 år ago | 0

appdesigner code view ANNOYANCE!

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

mer än 2 år 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...

mer än 2 år 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...

mer än 2 år 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...

mer än 2 år ago | 1

| accepted

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...

mer än 2 år 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...

mer än 2 år 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_

mer än 2 år ago | 0

How to convert matrix to CSV file

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

mer än 2 år 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

mer än 2 år 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(...

mer än 2 år ago | 0

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

unique(matrix)

mer än 2 år 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 ...

mer än 2 år ago | 0

How to solve a matrix quadratic equation?

Kminusw2 = K - w^2; mymatrix = Kminusw2.*M; myfinalanswer = det(mymatrix);

mer än 2 år ago | 0

Plotting in App designer

x = 1:10; y = sin(x); plot(app.UIAxes,x,y);

mer än 2 år ago | 2

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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

mer än 2 år 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...

mer än 2 år 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...

mer än 2 år 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}...

mer än 2 år 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 ...

mer än 2 år 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.

mer än 2 år ago | 0

Inserting a row and moving other rows down

A = [A(1,:);[1,1,1,1];A(2,:);A(3,:)]

mer än 2 år 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...

mer än 2 år 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.

mer än 2 år 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'; %...

mer än 2 år ago | 0

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...

mer än 2 år 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

mer än 2 år 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...

mer än 2 år 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...

mer än 2 år ago | 0

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...

mer än 2 år ago | 0

| accepted