Risposto
allocate array to structure, error "Scalar structure required for this assignment."
The error is easy to replicate given a scalar structure** on the LHS, which contains a non-scalar structure DATA (in your case w...

oltre un anno fa | 0

Risposto
Interpolate timeseries of a 4D matrix (4th D as time)
Avoid using deprecated DATENUM & DATESTR, using DATETIME is much better. S = load('data.mat') dttA = datetime(2016,1:12,15); ...

oltre un anno fa | 0

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Risposto
Data is being corrupted in graphs?
Your data are not being corrupted by MATLAB. You provided MATLAB with time data that has only three significant figures. This ...

oltre un anno fa | 2

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Risposto
Read first lines of txt files with textread
"How to get only first 16 lines od the txt files with textread command?" As the TEXTREAD documentation explains, the optional t...

oltre un anno fa | 0

Risposto
How to save Matrix in text-file using format double?
Using SAVE for text files is very outdated. The recommended approach is to e.g. WRITEMATRIX: M = [1930,0.0132; 1940,0.00103]; ...

oltre un anno fa | 1

Risposto
why on earth does strlength(string.empty) evaluate to an empty matrix and not 0?
"strlength(string.empty) evaluates to an empty matrix but strlength(char.empty), strlength('') and strlength("") all evaluate to...

oltre un anno fa | 1

Risposto
Extract 2D array from 3D array using logical index
"I have a PxMxN array that I want to convert in a PxK 2D array. K has to be obtained from a logical matrix MxN. Consequently, nu...

oltre un anno fa | 2

Discussion


Prime Numbers ... with a Regular Expression!
I know we have all been in that all-too-common situation of needing to inefficiently identify prime numbers using only a regular...

oltre un anno fa | 5

Risposto
Trying to add a variable RowName based off for loop.
You can certainly add rownames dynamically in a loop, but not by indexing one table into an existing table. Nrow = 5; Ncol = 7...

oltre un anno fa | 0

Risposto
come to convert words into cell array
g = 'Eb=3;bb=5;'; C = textscan(g,'%s%f', 'Delimiter','=', 'EndOfLine',';') C = [C{1},num2cell(C{2})] % not the best way to sto...

oltre un anno fa | 0

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Risposto
what I write to a file is different to what I read back from the same file
Because you are reading a different file than you are writing. The main problem is this line here load CAL_File where you LOAD...

oltre un anno fa | 0

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Risposto
how to separate two conjoined number obtained during ripping a piece of data from a large file?
Import the file as fixed-width: F = 'series_3_zn_porph2_complex_mesityl_par_wB97XD_200xs_rip.txt'; T = readtable(F, "FileType"...

oltre un anno fa | 0

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Risposto
Partitioning a vector of doubles into cells using a second vector to index
V = 1:5; X = [1,1,1,2,2]; C = accumarray(X(:),V(:),[],@(v){v.'}) or C = groupsummary(V(:),X(:),@(v){v.'}) or C = arrayfun(...

oltre un anno fa | 0

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Risposto
Error in formatting csv files imported from python
Well, those are some very badly designed files: if they had stored the data as a standard CSV file with one column for each vari...

quasi 2 anni fa | 0

Risposto
How to merge two tables into a single table?
Assuming that the tables already exist: table1 = table(["Smith";"Nguyen";"Williams";"Fernandez";"Brown"],[38;43;38;40;49], ... ...

quasi 2 anni fa | 0

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Risposto
saving struct empty give me error
"hi, it's possibile to save empty struct? How can i do it?" Of course, just give the variable name exactly like you would any o...

quasi 2 anni fa | 0

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Risposto
trying to extract the months to create a format looks like 202404, how to do that ?
s = ""; % your string array dt = datetime('now') dt.Format = 'MMM yy'; % the format given in your example code s(1) = dt dt....

quasi 2 anni fa | 0

Risposto
How can I insert a variable into a plot legend, with a special character following the variable?
Using STRING: plot(rand(5,4)) m = pi; legend('','','',"Gradient: "+m+"\circ/mm") Using CHAR: plot(rand(5,4)) m = pi; t = ...

quasi 2 anni fa | 0

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Risposto
I want to index a element of a vector after defining it
"Any correct way to do this?" Yes, but only if you want to make your code complex, awkward, and obfuscated: subsref(factor(56)...

quasi 2 anni fa | 0

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Risposto
Lineanchor not working in regexp
My guess is that you have not taken the newline characters into account. Note the difference: tx1 = sprintf('Hello\r\nWorld'); ...

quasi 2 anni fa | 0

Risposto
How do I convert a decimal number of months to a datetime format?
"The only way I can think of is manually converting by identifying the length of the month the offset represents." Let MATLAB d...

quasi 2 anni fa | 1

Risposto
How can I keep the first two elements from CSV values in a string
S = ["";"philosopher,historian,writer,political activist,literary critic";"philosopher";"philosopher,writer"] T = regexp(S,'^[^...

quasi 2 anni fa | 0

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Risposto
How to compute mean value of a field in a struct?
Rather than nesting lots of separate structures in a cell array, why not just use one structure array?: C = load('featuresnew.m...

quasi 2 anni fa | 0

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Risposto
splitting a vector into separate vectors
A much better approach using a cell array: V = [2,2,2,2,2,4,4,4,7,7,8,9] L = diff(find([1,diff(V),1])) C = mat2cell(V,1,L)

quasi 2 anni fa | 0

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Risposto
Concatenating Mixed numbers looses the decimal places
"How can I retain the decimal numbers " A = [n,double([MaxI,MinI]),medianMaxIntensity, Hlg,Bren,fwhm2D]; % ^^^^^^^^ ...

quasi 2 anni fa | 0

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Risposto
How do I do char2num (assume Ascii)?
https://www.mathworks.com/help/matlab/matlab_prog/unicode-and-ascii-values.html txt = char(120:122) num = double(txt) If you ...

quasi 2 anni fa | 0

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Risposto
writematrix: how to get formatted txt-output?
M = [100,0,4500;0,1,38.29;1,1,38.22] S = join(compose("%10.2f",M),''); writelines(S,"test.txt") Checking: type test.txt

quasi 2 anni fa | 0

Risposto
Random number vector with only two values
Indexing is a basic MATLAB superpower. You can easily use indexing to select from a vector of any values: V = [0,pi]; W = V(ra...

quasi 2 anni fa | 1

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Risposto
Character string to numeric vector
txt = ' ( 0.0357 -0.0001 0.0051) ' vec = sscanf(txt(3:end),'%f',[1,3]) or vec = sscanf(strtrim(txt),'(%f%f%f',[1,3])

quasi 2 anni fa | 0

Risposto
how to delete the files in a folder using matlab?
delete(fullfile(inpath,baseGran,'sigma*.img'))

quasi 2 anni fa | 1

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