Answered
I keep getting the "not enough inputs error" and I don't know how to fix it
"i get the " not enough input arguments " error pointing at the x(1) in the F(1) equation" That error is caused by the fact tha...
I keep getting the "not enough inputs error" and I don't know how to fix it
"i get the " not enough input arguments " error pointing at the x(1) in the F(1) equation" That error is caused by the fact tha...
12 months ago | 0
Answered
Trying to graph a function I made but it seems to only take the first x value.
Explanation The basic problem is that you wrote your function assuming only a scalar input: Fresnel(2) However you did not wr...
Trying to graph a function I made but it seems to only take the first x value.
Explanation The basic problem is that you wrote your function assuming only a scalar input: Fresnel(2) However you did not wr...
12 months ago | 1
| accepted
Answered
Command findobj('Type','FunctionLine') produces error if used after fplot invoked with three arguments, fplot(X,Y,LIMITS) - 0×0 empty GraphicsPlaceholder array
A curve defined by a function of X and a function of Y is a parametric curve, so you would need to search for the corresponding ...
Command findobj('Type','FunctionLine') produces error if used after fplot invoked with three arguments, fplot(X,Y,LIMITS) - 0×0 empty GraphicsPlaceholder array
A curve defined by a function of X and a function of Y is a parametric curve, so you would need to search for the corresponding ...
12 months ago | 0
| accepted
Answered
Error while reading the .csv file
Explanation: As its documentation makes clear, the first input to FOPEN must be the fiename. However, instead of calling it with...
Error while reading the .csv file
Explanation: As its documentation makes clear, the first input to FOPEN must be the fiename. However, instead of calling it with...
12 months ago | 0
Answered
syntax of this line tmp = cellfun(@(tbl) tbl(:, cellstr(dataVariables(ct))), trainDataNormalized, 'UniformOutput', false);% in RUL tutorial
"I can't figure out what @(tbl) tbl is supposed to do , I didn't create neither a function or a variable with such a name, t...
syntax of this line tmp = cellfun(@(tbl) tbl(:, cellstr(dataVariables(ct))), trainDataNormalized, 'UniformOutput', false);% in RUL tutorial
"I can't figure out what @(tbl) tbl is supposed to do , I didn't create neither a function or a variable with such a name, t...
12 months ago | 0
| accepted
Submitted
MatPlotLib Perceptually Uniform Colormaps
MatPlotLib's default perceptually uniform colormap VIRIDIS and distinctive line ColorOrder TAB10
12 months ago | 130 downloads |
Answered
Why does converting categorical(0) to double add 1?
"Why, when converting "a" to double, does "a" become 1, when it was categorical(0) before?" It doesn't. Your comparison is not ...
Why does converting categorical(0) to double add 1?
"Why, when converting "a" to double, does "a" become 1, when it was categorical(0) before?" It doesn't. Your comparison is not ...
12 months ago | 0
Answered
unexpected response when trying to concatenate by row after accessing cell value
The MATLAB approach is to simply call VERTCAT instead of the concatenation operator: C = {[5,1];[4 1];[3 1];[2 1];[1 1]}; M = ...
unexpected response when trying to concatenate by row after accessing cell value
The MATLAB approach is to simply call VERTCAT instead of the concatenation operator: C = {[5,1];[4 1];[3 1];[2 1];[1 1]}; M = ...
12 months ago | 0
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Answered
Read big file with mixed data types with datastore
ds = datastore('./*.txt', 'Type','tabulartext', 'NumHeaderLines',2, 'TextscanFormats',repmat("%f",1,5)); T = preview(ds)
Read big file with mixed data types with datastore
ds = datastore('./*.txt', 'Type','tabulartext', 'NumHeaderLines',2, 'TextscanFormats',repmat("%f",1,5)); T = preview(ds)
12 months ago | 0
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...
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...
12 months ago | 0
| accepted
Answered
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...
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...
12 months ago | 0
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Answered
how do I save the entire workspace?
https://www.mathworks.com/help/matlab/ref/save.html
how do I save the entire workspace?
https://www.mathworks.com/help/matlab/ref/save.html
1 year ago | 0
Answered
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...
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...
1 year ago | 0
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Answered
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')
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')
1 year ago | 0
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Answered
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...
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...
1 year ago | 1
| accepted
Answered
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 ...
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 ...
1 year ago | 0
| accepted
Answered
Merging uniform boxes into larger ones
You could download this FEX submssion: https://www.mathworks.com/matlabcentral/fileexchange/28155-inscribed_rectangle and use ...
Merging uniform boxes into larger ones
You could download this FEX submssion: https://www.mathworks.com/matlabcentral/fileexchange/28155-inscribed_rectangle and use ...
1 year ago | 1
| accepted
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 year 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 year 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 year 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 year 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 year 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 year 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 ...
1 year 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...
1 year 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]; ...
1 year 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...
1 year 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...
1 year 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...
1 year 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...
1 year ago | 0
| accepted