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**Content Feed**

different number of delimiters error using readtable function

Use import options object -- although to write a fully generic import code you'll have to scan the file to find the number of he...

2 hours ago | 0

How can I include absent group names in table grouping results?

Well, unless the data are in the table, there's not going to be anything for groupsummary to operate over to tell it those other...

5 hours ago | 0

I can't understand the following MATLAB code documentation

This isn't documentation, this is actual MATLAB code. The first section is a script; the second is a function which is called b...

5 hours ago | 1

How to show that calculation is going in MATLAB App

An outline of the progress dialog implementation I used for one app... % Button pushed function: UpdateButton function ...

3 days ago | 0

How to make an if-statement that finds whether a 1x5 column has 4 of the rows the value 0?

Just a somewhat pedantic comment on details of notation first -- If the matrix is 1x5, it would be matrix = [0 0 0 241 0] inst...

3 days ago | 0

How to extract data stored in a matrix and in a specific range of columns whose number is stored in another matrix?

It would be much simpler if you would use a table for each variable and include the ParticipantID as a variable instead. Howeve...

9 days ago | 0

Matlab default font monospace is not a wise choice

Can't say as it's been a problem for me, no... But, you can change it to anything installed on your system -- go to Preferenc...

9 days ago | 0

Converting 1D indexed array to 2D matrix

You don't need to convert the linear addresses to indices to assign them to the array. If you have, indeed, segregated the alti...

11 days ago | 0

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How to get such legend in MATLAB?

Use the 'DisplayName' property for the desired line types to be plotted -- you'll need two lines drawn with just the solid line ...

11 days ago | 0

How to sort the rows of a cell?

s=sort([x{:}]); % where x is the cell array

12 days ago | 0

| accepted

Why is signal amplitude so low after applying FFT?

Several issues here -- the first being the RMS value masks the signal amplitude with the DC value unless you first detrend the t...

13 days ago | 0

Bar chart samples are shuffled

As @Star Strider says, categorical variables are not ordinal by default and are valued by lexical sorting. To fix X = {'Pristi...

13 days ago | 1

| accepted

Selecting random cells in a matrix without repetition

N2Choose=20; R=M(randperm(numel(M),N2Choose)); ERRATUM Stupid auto-complete put the silly parens in instead of letting me whe...

14 days ago | 0

| accepted

How do i add a for loop if command to a pre existing table

Begin learning to use MATLAB vector operations from the git-go -- naming variables sequentially with a numeric suffix is almost ...

14 days ago | 1

Feeding index returned by find in another matrix

>> a=[NaN,NaN; NaN,2; 11,NaN]; >> a a = NaN NaN NaN 2.00 11.00 ...

14 days ago | 0

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Insert "epsilon dot" in a figure title with tex interpreter (not latex)

No; the MATLAB implementation of TeX uses the defined special characters and the limited modifiers of ^ and _ for super/subscrip...

15 days ago | 0

Put axis label in their respective middle (3D plot)

... mesh(x,y,z); hXL=xlabel('time[sec]'); % default label, save handle hXL.Position=hXL.Position+[0.5 0 0...

15 days ago | 0

| accepted

Question

Setting focus in AppDesigner

I'm setting a TextArea object to be editable with a menu selection to allow a field to be updated by the user. The callaback to...

17 days ago | 1 answer | 1

### 1

answerWhy is it not possible to increase the excel readtable range?

The error message doesn't have anything to do with the Q? that was posed as written and looked at above, however...it's got to ...

18 days ago | 0

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Select rows of timetable based on Month range

To use the numeric months, wintertime = [1:3 11:12]; % [start, end] of desired months TTwinter = TT(ismember(month(TT.Tim...

22 days ago | 0

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Get maximum values across a cell array with multiple indexing.

Use grouping variables -- there's still a looping construct inside, of course, but you don't have to write it explicitly... >> ...

23 days ago | 1

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strsplit: the deliminator on both sides was still kept but not removed

WAD (Working As Designed) >> a = strsplit(' aa bb cc ',' ') a = 1×5 cell array {0×0 char} {'aa'} {'bb'} ...

26 days ago | 1

| accepted

Loop until Matrix value exceeds value

% pseudo code, salt to suit... A=[...]; % initialize A here maxB=60; % the test value for x...

1 month ago | 0

Create table of means from multiple tables

Simplest probably would be to convert to a 3D array and then use mean() along the third dimension.... tMeans=mean(cat(3,table2a...

1 month ago | 0

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How to change font type of bar plot labels?

... hAx=gca; hAx.TickLabelInterpreter='latex'; xticks(1:numel(str)) xticklabels(str) hAx.FontSize=20; ...

1 month ago | 0

How to write a specific number via a loop

Other than there aren't 23 lines in the code shown :), the problem is actually in the line distances = (deg2km(distance(lat1(z)...

1 month ago | 0

How to combine table output in one table?

Hr=2; u=11.5; Qm=7973504; X=[10:20]; sigma_y=0.22*X./sqrt(1+0.0001*X); sigma_z=0.20*X; Ground_Level_Conc=(Qm./(3.142*sigma...

1 month ago | 0

Searching for a file when the filename is always changing

"the filename will always be 'location 1 (random letters) \ test (random letters)'." rootdir='C:\Users\tathuen\Desktop\Data\'; ...

1 month ago | 0

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how can I read spreadsheet file which is not generated by excel in Matlab

I thought something like this might be the case -- it's a text, delimited file named as ".xls" -- Excel does have internal smart...

2 months ago | 0

| accepted

Bar plot with two axis no plotting as grouped

They're not stacked, they're just plotted on top of each other because there's only one series on each call to bar(); hence ther...

2 months ago | 1

| accepted