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Labeling 3 different points on plot
text(1:3,rand(1,3)*10,{'A','B','C'}) xlim([0 5]),ylim([0 10]) produced All you need do is define what x,y pairs and label ...

environ 5 ans il y a | 0

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Accessing contents inside Nested cell
nMax=cellfun(@numel,edges) array=cell2mat(cellfun(@(c)cat(2,c,zeros(1,nMax-numel(c))),edges.','UniformOutput',false)); Will a...

environ 5 ans il y a | 0

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For loop to replace n/a with NaN in a table
This is a case readtable needs some help -- use an import options object... opt=detectImportOptions('Cape_Breton_Highlands_NP_W...

environ 5 ans il y a | 0

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How to prevent matlab from exponential form in displaying arrays
With the common disp() or echo of a variable to the command window, no--a MATLAB array is an entity. You can output in whatever...

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Error using readtable: Must be a scalar logical value
"file names are Master w EQ 00 deg.txt, Master w EQ 05 deg.txt, etc up to Master w EQ 90 deg.txt." d=dir('Master*deg.txt'); fo...

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Need to calculate the mean without considering the 0 counts. In [1 2 3 4 0 6 7], mean should be (1+2+3+4+6+7)/6 and then output place the mean of six number at place of 0.
>> v=[1 2 3 4 0 6 7]; >> v(v==0)=mean(v(v~=0)) v = 1.0000 2.0000 3.0000 4.0000 3.8333 6.0000 7.0000 >>...

environ 5 ans il y a | 0

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Normality test of the Matlab function 'randn'
I always use the Wilks-Shapiro test(*) and have little experience with Lillifors test, but some trials with various N have convi...

environ 5 ans il y a | 0

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How to extract rows from a table using a loop to search for specific column values, and create a new table with extracted rows
Would be much easier if attached a subset of the input file or a .mat file containing the table...we have to make up stuff to tr...

environ 5 ans il y a | 0

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How to quickly save a matrix by adding rows?
Yes. Preallocate the array and index into it...without context it's conjecture what you have/are doing, but the general idea is...

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plotting data that includes '-nan(incl)'
Use tables; you'll get benefit of variable names and easier addressing for free...the "CT6" file that your function didn't read ...

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How to quickly find the indecis of an array in another array?
>> [~,ia]=find(ismember(B,A)) ia = 1 3 4 >> whether it is any faster I doubt, but it doesn't use intersect. W...

environ 5 ans il y a | 0

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How does "findpeak" work? How does it ignore the unwanted peaks?
The doc for 'MinPeakDistance' explains that it picks the tallest in the signal overall and then ignores everything else within t...

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find reverses the dimension of rows and column output vectors when input is a vector
It has always behaved to return the shape of the input -- a row vector input returns a row vector output. That is expected beh...

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How to find multiple table column numbers by column names?
col_ind_rmt = find(string(G_Value.Properties.VariableNames) == "rk_mill_tonnage" || 'ore_mill_tonnage'); Just replace "||" with...

environ 5 ans il y a | 0

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How to use splitappy for only 10 rows in each group?
You can't (at least without more machinations than I'd care to even attempt) do that with an anonymous function, but since the r...

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What happens when a custom made function needs an input for every evaluation in an iteration while optimising the function ?
I created a testing function that mimicked one just used in another Q? -- function T=testit(x) persistent c if isempty(c)...

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Double y-axis with synchronized to each other
You can scale the percentile axis from [0 0.8] to match the [0 8] range on the other axes; if you scale to percentages, then you...

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Plot points that meet a specific condition by using a function
num=table2array(D(:,1)); id=table2array(D(:,2)); Err=table2array(D(:,3)); slope=table2array(D(:,4));xnum=find(num==1); xnum=...

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Using fzero to keep tolerance within limits
As the error message says, you need a function name/handle as the argument to fzero not just an expression. >> fn=@(T)100*(0.15...

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Error using plot Vectors must be the same length.
On the right track, just have to use the index for both variables... index_liq = (M_CP==2); % index to...

environ 5 ans il y a | 0

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Running all Nastran input .bdf files contained in a folder using Matlab
files = dir('*.bdf'); for i = 1 : length(files) filename = files(K).name; system('D:\MSC.Software\MSC_Nastran\20180\bin\n...

environ 5 ans il y a | 1

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Detrending a time series with NaN values
With recent (but I'm not sure just how recent) releases, there's the 'omitnan' optional parameter in detrend that will skip the ...

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Error using chckxy: The first input must contain unique values, while using only unique values
>> load dados >> whos x y Name Size Bytes Class Attributes x 1x58 464 double...

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How to convert memory to Megabyte
>> m=memory; >> sprintf('%.0f MB',m.MemUsedMATLAB/(1024^2)) ans = '2305 MB' >>

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How do I set the some letters in an Excel sheet cell to 'BOLD' through ACTXSERVER using MATLAB (R2019a)?
This isn't MATLAB per se, but Excel VBA/object model syntax Q? A sample VBA function would look something like lngPos = InStr(...

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Generating a normal distrbution random numbers and setting them to catagories
function [abc,ABC]=random_gen(n) r=randn(n,1); % generate column vector N rn ix=disc...

environ 5 ans il y a | 0

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Change color of numbers at colorbar
Undocumented property -- underneath is a NumericRuler object which does control the axes ticklabels independently. figure surf...

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Plot year as major ticks and months as minor ticks
If your time data are evenly-spaced and at monthly intervals, hAx=gca; hX=hAx.XAxis; % get handle to X datetime ruler...

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URGENT help on TSA with tach signal
I've not used it, but doc (and error message) indicate that the time pulse input is either a fixed scalar or increasing time for...

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plotting group size vs total member in group of particular size
v =[1 1 1 2 2 3 4 4 5]; % engine u=unique(v); ng=histc(v,u); U=unique(ng) U = 1 2 3 NU=histc(ng,U) ans ...

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