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define an objective function with user defined number of variables in fminunc()
"How do I define the objective function fun() such that it automatically adapts to the number of variables." fun = @(x) sum(x.^...

más de 1 año hace | 0

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Trying to create a drop down that will open a new uifigure, nothing happens when I click confirm?
Simpler solution: get rid of dda.ItemsData. Then .Value is exactly the text that is shown in the menu. This is explained here: ...

más de 1 año hace | 1

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how to read the data of type a*b?
str = '1*5 5*4 6 8 3 12 -5 9*0 7*-1'; vec = sscanf(str,'%f%*[ *]',[1,Inf])

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Error when creating a tensor from a for loop
"Can anyone tell me what is causing this problem?" Explanation Look at the values that you are using as indices. For the 1st c...

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I want to build the matrix
m = 4; n = 3; A = randi(9,n) C = [{zeros(n),eye(n)},arrayfun(@(p)A^p,1:m-1,'uni',0)]; G = cell2mat(C(1+tril(toeplitz(1:m))...

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Combine multiple varying length double arrays into one timetable
"I assume there has to be a better way of doing this than iteratively calling each variable..." Note that synchronize accepts 1...

más de 1 año hace | 1

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I want to divide an array into x number of smaller arrays of size [m x n] (where x is = m *n) and then using a for loop fill those smaller arrays with the same value
Changing your perspective on this problem would make it easier. A much simpler approach would be to use REPELEM: U = [3,9,6;2,...

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TIPS ON ENTERING FUNCTION INPUT
https://www.mathworks.com/help/matlab/matlab_prog/customize-code-suggestions-and-completions.html

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Why does my function that should modify cells from an input return exactly the input every time?
This line: for j=size(p_cell,1) % y coord should be for j=1:size(p_cell,1) % y coord % ^^ After that you will need to f...

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EXCEL TABLE - INDEXING MULTIPLE TABLES AT ONCE
Here is one approach using READCELL. It assumes that all data blocks are aligned, and then within each block: the 3rd cell of ...

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Respondida
How to group number sequences in a vector
V1 = [1,1,1,2,2,3,3,3,1,1,3,3,3,2,2,2,1,1,1]; R1 = sprintf('\3+\2+\1+'); [Xs,Xe] = regexp(char(V1),R1) Some values would requ...

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Not enough input arguments
Your function parameterisation is incorrect. This anonymous function: @(t,y,MAP,Nstep,xNOL)ActualmodelwithPinfinity(t,y,MAP(:,k...

más de 1 año hace | 0

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how to convert a matlab variable name to a char for use in a title, legend, etc
https://www.mathworks.com/help/matlab/ref/inputname.html function(input_matrix) in_name = inputname(1); ... title(in_name) ...

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for loop for non integer values
It is usually much easier and clearer to loop over indices, rather than over data values: V = 1:0.5:10; E = nan(..); % preallo...

más de 1 año hace | 1

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"Not enough input arguments" error when using fullfile
"I dont see how I dont have enough input arguments? " Very easily, when S1 is empty: S1 = dir('thisNameDoesNot*Exist') F1 = f...

más de 1 año hace | 0

Respondida
Is griddedinterpolant omits NaN?
None of the pure interpolation routines will "omit" NaN values. NaN values will propagate from input to output, just as they sh...

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Respondida
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...

más de 1 año hace | 0

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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...

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Respondida
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 ...

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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...

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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...

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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 ...

más de 1 año hace | 0

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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 = ...

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Read big file with mixed data types with datastore
ds = datastore('./*.txt', 'Type','tabulartext', 'NumHeaderLines',2, 'TextscanFormats',repmat("%f",1,5)); T = preview(ds)

más de 1 año hace | 0

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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...

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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...

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

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Respondida
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...

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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')

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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...

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