Answered
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, ...
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, ...
1 month ago | 1
Answered
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_...
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_...
1 month 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)
How do I input a variable into a string?
lv = 3; % example value "B"+lv+":Y"+lv sprintf('B%u:Y%u',lv,lv)
1 month ago | 1
| accepted
Answered
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 !!!!
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 !!!!
1 month ago | 2
| accepted
Answered
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...
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...
1 month ago | 0
Answered
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); ...
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); ...
1 month ago | 0
| accepted
Answered
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 ...
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 ...
2 months ago | 2
| accepted
Answered
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...
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...
2 months ago | 0
Answered
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]; ...
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]; ...
2 months ago | 1
Answered
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...
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...
2 months ago | 1
Answered
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...
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...
2 months ago | 2
Answered
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...
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...
2 months ago | 0
Answered
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...
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...
2 months ago | 0
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Answered
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...
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...
2 months ago | 0
| accepted
Answered
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"...
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"...
2 months ago | 0
| accepted
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,...
2 months ago | 15 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(...
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(...
2 months ago | 0
| accepted
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...
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...
2 months ago | 0
Answered
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], ... ...
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], ... ...
2 months ago | 0
| accepted
Answered
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...
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...
2 months ago | 0
| accepted
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....
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....
2 months ago | 0
Answered
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 = ...
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 = ...
3 months ago | 0
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Answered
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)...
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)...
3 months ago | 0
| accepted
Answered
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'); ...
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'); ...
3 months ago | 0
Answered
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...
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...
3 months ago | 1
Answered
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,'^[^...
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,'^[^...
3 months ago | 0
| accepted
Answered
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...
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...
3 months ago | 0
| accepted
Answered
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)
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)
3 months ago | 0
| accepted
Answered
Concatenating Mixed numbers looses the decimal places
"How can I retain the decimal numbers " A = [n,double([MaxI,MinI]),medianMaxIntensity, Hlg,Bren,fwhm2D]; % ^^^^^^^^ ...
Concatenating Mixed numbers looses the decimal places
"How can I retain the decimal numbers " A = [n,double([MaxI,MinI]),medianMaxIntensity, Hlg,Bren,fwhm2D]; % ^^^^^^^^ ...
3 months ago | 0
| accepted
Answered
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 ...
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 ...
3 months ago | 0
| accepted