Answered
How to correctly plot the error of a numerical algorithm ?
You can use the semilogy function instead of the plot function..

9 days ago | 0

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Answered
Search a date from a datetime to another with different length
The result of the operation A(i,1)==B(:,1) is a vector, as is the result of the other equality check you do. You can only use ...

10 days ago | 1

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Answered
how to adjust bar width (absolute value)?
I would point out that in one sense, your bars are the same width -- they both extend one unit (e.g. from 1.5 to 2.5). The reaso...

11 days ago | 0

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Answered
Arrow of a vector ( r, theta) from a point (x,y).
You can make an arrow on a plot using the annotation function, or you may want to use a quiver plot if you want the arrow to com...

11 days ago | 1

Answered
How to find all possible combinations between the numbers of two vectors where order does matter
I expect there is a more efficient way, but I think this will do what you want. a = [1 2 3 4]; b = [2 4]; c = unique([combv...

11 days ago | 0

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Answered
Why this code the given error?
CVX is a third-party MATLAB toolbox (i.e. not from MathWorks), that you need to install according to their instructions. You nee...

11 days ago | 0

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Answered
How can I read specific data from excel with multiple sheets?
My first choice for reading data from Excel is usually the readtable function. It has many options for pulling data from individ...

14 days ago | 0

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Answered
How to Normalize a Histogram without using fitdist and pdf or any other fitting functions?
Use the 'Normalization' Name-Value pair to the histogram function: x_values = 0:0.01:5; xx_values = 0:0.01:5; data1 = load('3...

14 days ago | 0

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Answered
Why LSTM training is not done properly?
I doubt that it is actually the size of the data that is the problem. You could test that idea by running the second year (whic...

14 days ago | 0

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Check if a script has been run during this session
Your command history is stored in an XML file, in your preferences directory. See this question/answer for details.

15 days ago | 1

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Answered
Creating 2 new arrays for given condition
keepIndex = y>0.0004; y_new = y(keepIndex); tTrans_new = tTrans(keepIndex)

15 days ago | 1

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Answered
How can I create this kind of graph?
Take a look at the MATLAB Plot Gallery. You will find charts of those styles, and you can grab the code that was used to create ...

16 days ago | 0

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How to change resolution to every other point?
res = 2; pcolor(xgrid(1:res:end,1:res:end),ygrid(1:res:end,1:res:end),z(1:res:end,1:res:end)) will only plot every other po...

17 days ago | 0

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Answered
plotting a variable size of dataset
Instead of naming your variables dynamically, which is almost always a bad idea, store your data in cell arrays. Then the length...

18 days ago | 1

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Answered
My Matlab code for 1D convection Diffusion problem is taking too much time to execute
You set the values tolearnce=1e-7; error=1; before you enter the while loop, and you never change them. Therefore, the loop w...

18 days ago | 0

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Insert degree symbol in axis title.
The degree symbol is ASCII character 176. So, here is a simple way: % Plot some random data plot(rand(100,1),rand(100,1),'.') ...

19 days ago | 0

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Answered
If I suppress an error, will the error still be suppress if I open the file on another computer?
Errors cannot be suppressed. If you mean supressing a warning, then I would expect that the best way to ensure the warning is su...

21 days ago | 0

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I want find the reason for this error message.
In the outermost call to fl in this line e1=fl(fl(d1+fl(sqrt(fl(fl(b1,3)-fl(fl(4*a1,3)*c1,3),3)),3))) you are calling with onl...

21 days ago | 0

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Answered
how to use function handles
I think the basic idea you need is f1 = @(x) x; f2 = @(x) x.^2; f = @(a,x) (a~=0)*f1(x) + (a==0)*f2(x); f(0,2) f(1,2)

22 days ago | 2

Answered
How to remove indexed set of rows from a cell array
% Identify rows row_indices = find(cell2mat(corb(:,1))>100000 & cell2mat(corb(:,1))<300000); % Define new array that is the...

22 days ago | 0

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Plotting for various values of the same parameter on the same plot
% Some data x = 1:10; % Create the figure window, use the hold command % to prevent overwriting of axes figure hold on ...

22 days ago | 0

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How do I plot the following graph in Matlab?
One possible solution in this case is to call Python from MATLAB, rather than figuring out how to recreate their plots. Since th...

23 days ago | 1

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How to use fprintf with two arrays?
Assuming that X and Y are variables in your workspace, you need fprintf(fileID,'%1d %2d\n',X,Y); rather than fprintf(fileID,'...

23 days ago | 1

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Answered
For Loop - need to iterate values at the same time.
Even easier: for x = 1:10 fname = sprintf('D:\\Michael Files\\Data\\Run %05d\\Ascii\\Xxsv00001 %03dX.txt',x,x+266); d...

23 days ago | 2

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The result of the operation in the calculator and the result of the operation in matlab are different
I don't know what you did on your calculator, but it was wrong. The MATLAB result is correct, and I also double-checked this on ...

23 days ago | 2

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removing specific rows from char array
data=['01'; '02'; '03'; '04'; '05'; '06'; '07'; '08'; '09'; '10']; data([1 5],:) = []

24 days ago | 0

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Answered
How to compute the standard deviation of each column in a matrix?
If A is your array, then s = std(A) is a row vector, where each element is the standard deviation of the corresponding column....

24 days ago | 0

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Subdividing a matrix and pairing specific columns in the subdivisions
You should strongly reconsider whether you need dynamically named variables, because it is usually a terrible idea. Instead, con...

24 days ago | 0

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How to create a new column based on values of current column
I believe this does what you want, assuming each value only appears once in the array, and you know the order they appear. You c...

24 days ago | 0

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Answered
Is version 2021a compatible with windows 10 home (version 21h1)?
Yes. You can see the system requirements here.

25 days ago | 0

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