Stephen23

Active since 2014

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Next Available Filename
Return the next unused filename, incrementing an integer as required.

42 minutes ago | 477 downloads |

Answered
How to plot 4 Tiled plots with 2 x axis and 2 y axis in one figure
Do NOT call TILEDLAYOUT multiple times. Only call TILEDLAYOUT once. After that you call NEXTTILE for each plot. "I want to plo...

2 days ago | 0

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Need to create an array that consists of 5 numbers found through a while loop
Take a look at this line: array.append = distance; You looks as if you are trying to write Python code. However, MATLAB does n...

3 days ago | 0

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how do I save the entire workspace?
https://www.mathworks.com/help/matlab/ref/save.html

8 days ago | 0

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How do I merge two structs, where one field in the struct is itself a struct?
You can always use a loop and DIY: obj.Experiment = struct('Measurement',struct([])); useStructVar = true; % true = "Real-w...

9 days ago | 0

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How to replace the missing values in cell array with previous ones?
C = load('data_imp.mat').cycles_check; C{1} = '01L'; C(cellfun(@isempty,C)) = {''}; C = fillmissing(C,'previous')

9 days ago | 0

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How to extract numerical values from a text in an array or table?
No need for slow superfluous CELLFUN. Simpler and more efficient: C = {'xxx'; 'yyy 15 units'; '15-25 units'; 'zzz'}; D = str2d...

10 days ago | 0

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Convert Python tuple output into MATLAB array
"The issue is that the double() function from MATLAB does not convert the tuple into a double array" No, the issue is actually ...

10 days ago | 0

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Merging uniform boxes into larger ones
You could download this FEX submssion: https://www.mathworks.com/matlabcentral/fileexchange/28155-inscribed_rectangle and use ...

11 days ago | 1

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Operator '+' is not supported for operands of type 'function_handle'.
"Is there something wrong with this code?" You are calling PLUS on the function handle LAP. Function handles are not numbers, ...

11 days ago | 1

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When the histcounts function is used, data that was not in the original data appears
"My data ecg_filterpeak_index is incremented." Nope, your data are not monotonically increasing. "The first value of ecg_peak_...

11 days ago | 0

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Answered
How do I input a variable into a string?
lv = 3; % example value "B"+lv+":Y"+lv sprintf('B%u:Y%u',lv,lv)

12 days ago | 1

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An infinite recursive call occurred. How do I fix it?
Get rid of the 2nd line of code: GUI_INI_FM(gcf); % gcf는 현재 GUI 핸들을 가리킴(24.11.11) !!!! DELETE THIS !!!!

12 days ago | 2

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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...

12 days ago | 0

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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); ...

17 days ago | 0

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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 ...

18 days ago | 2

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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...

20 days ago | 0

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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]; ...

21 days ago | 1

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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...

22 days ago | 1

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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...

23 days ago | 2

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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...

26 days ago | 0

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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...

1 month ago | 0

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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...

1 month ago | 0

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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"...

1 month ago | 0

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Submitted

Convert between RGB and Color Names
RGB to color name. Color name to RGB. Supports many palettes: CSS, dvips, HTML, MATLAB, RAL, SVG, X11, xcolor, xkcd,...

1 month ago | 13 downloads |

Answered
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(...

1 month ago | 0

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Answered
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...

1 month ago | 0

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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], ... ...

1 month ago | 0

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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...

1 month ago | 0

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Answered
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....

1 month ago | 0

Stephen23

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