App designer (excel /database /sheets )
you can directly read/write the excel file with readtable/readmatrix and writetable/writematrix. That works pretty fluently if y...

mer än 4 år ago | 0

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finction datestr and writetable
May I ask you to use the "code" function of this website to add your code instead of a picture. It makes it easier for us to cop...

mer än 4 år ago | 1

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How can I remove duplicate values from cell array?
Does the function unique() solve your problem? So in your case, because you have a cell array: S = {1 2 2 3}; S = num2cell(...

mer än 4 år ago | 0

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How to password protect an excel file through Matlab?
I recommand you to use the xls_protect_sheets() from MATLAB exchange. It will be easier for you.

mer än 4 år ago | 0

Why can't i plot a bar figure like this example?
If I transpose life like this: x=[0 5 10 15 20 25] life=[1344 423 133 41 12 3; 939 296 93 29 9 2] L=bar(x,life'); Then I get...

mer än 4 år ago | 0

Splitting Function into Imaginary and Real
you can use the functions real() and imag() to extract respectively the real and imaginary part of a number. It also accepts vec...

mer än 4 år ago | 0

how to use passing by value and passing by reference
I highly recommend you to check the basic types of MATLAB. There is not such thing as a reference in MATLAB. However, for classe...

mer än 4 år ago | 0

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How to extract information on year when data is in quarterly format
have you thought about using extractBefore() function? For example: function year = extractYear(s) year = str2double(extr...

mer än 4 år ago | 0

Interpolation or curve fit data suggestions
I would recommand you to take a look at: 1D data: interp1() griddedinterpolant() 2D data: interp2() griddedinterpolant() ...

mer än 4 år ago | 1

Multiply the complex number 1+8i with its complex conjugate
%code removed Btw, I don't think this website is there to do your homework. I highly recommend you to learn how to you a search...

mer än 4 år ago | 0

Percentage difference in matlab
Hey Sarah, The following code could help you: diff = x2 - x1; % x2 and x1 are your input variables. x1 is reference and x2 the...

mer än 4 år ago | 1

How do you determine the average values in second column of an excel data corresponding to a particular range of values in first column ?
For that situation, the easiest way is to select data based on a criteria. For example, if your table is named t: indRows = t(:...

mer än 4 år ago | 0

code to read the data in matfile
Read the matfile documentation. It contains what you want.

mer än 4 år ago | 0

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Solved

Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

nästan 5 år ago

How to link an App-Designer push button to a keyboard key?
Hey, you can implement the callback UIFigureKeyRelease on your UIFigure object. Then, you juste have to implement the code to g...

nästan 5 år ago | 0

Hi Wiliam, the license is connected to your harddrive. So if you copy the content of your harddrive on a new one, you have to d...

nästan 5 år ago | 0

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How to call a python program from matlabr2019a
Hey Saugata, you should follow this guide from mathworks: Undefined variable "py" or function "py.command" It helps you to ens...

nästan 5 år ago | 1

rename the image name
Hey, I think, the commands that could help you are the following: movefile('src', 'dest'); % move a file, you can even...

nästan 5 år ago | 0

Finding index location in volume?
Hi, for your case, I would write your code like that: x = 2000:0.5:2004; y = 45000:0.3:45009; z = 10:0.2:12; % no need to u...

nästan 5 år ago | 1

Bilinear interpolation of gridded data
Hi, may I recommand you to take a look at the function griddedInterpolant to solve your case? It will be definitely faster than...

nästan 5 år ago | 0

How to split merged signals
Hello Anna, I am not very familiar with the merge block, but apparently, you cannot put a scope on the signals you are gonna me...

nästan 5 år ago | 0

how to do Serial and Parrarell computing, multiple simulink models in a loop?
Hi Mona, I would recommend you to take a look at the parsim command. Its documentation is very well done and give multiple exam...

nästan 5 år ago | 0

Problem with diff operating on a row vector from regionprops
Hi Jason, I tried the following code: MM = [53742.57, 18435.82, 49121.64, 54437.08]; y = diff(MM); I get the following answ...

nästan 5 år ago | 0

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Complex number math problems
Complex numbers work literally like all other numbers in MATLAB. The only interesting things are how you create them: z1 = 1 + ...

nästan 5 år ago | 1

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Solved

Tic Tac Toe FTW
Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

nästan 5 år ago

Dealing with wrong input
Okay, then I would use the exception catching method: str = ''; num = NaN; while isnan(num) try num = input('Pl...

nästan 5 år ago | 0

How can i find cumulative mean inside a for loop?
Hi, For your situation, you should consider that . So they are 2 situations: All vectors have the same size Vectors can have ...

nästan 5 år ago | 0

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How to save tables to different sheets in one xlsx file?
Have you done a step-by-step execution of your code to be sure that there are multiple files read? Looking at it like that, I w...

nästan 5 år ago | 0

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