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Content Feed
when datenum is the x-axis How to change the x-axis to discernable time
On an assumption you can use datetime t=datetime(2000,1,1):days(1):datetime(2000,1,1)+calyears(6); % build daily time vector o...
9 hours ago | 0
plotting leastcurve fit through exceldata
Pass the data and generalize instead; don't hard code indices into indexing expressions. Also, MATLAB has builtin functions pol...
2 days ago | 0
I have found respective latitude & longitude points from an excel file-- I want to export the data that satisfies both restrictions on the lat & long (matching rows).
Making it harder than need be -- first, use readtable instead of readcell()... tAIS=readtable('AIS_2018_05_18_ex.csv','Range','...
2 days ago | 0
cell of characters to column
We need to see this in situ -- how did you get it into such a form, first. Attach the file from whence the data came (or a repr...
2 days ago | 0
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Help on ploting bar graph using table
Pursuant to the previous comments; my suggestions would result in something like >> tSinghBar=readtable('data2.xlsx'); >> tSin...
2 days ago | 0
(In excel) Reading rows with text, in between continuous rows of numbers, by 'readtable' function?
readtable() can't do that -- each column must be the same data type -- or a cell which can contain either, but then would have t...
2 days ago | 0
Change figure size based on the number of nexttile
Well, when you use the 'flow' option, that's what you've told tiledlayout you want -- the size/location of the figures to update...
3 days ago | 0
cell merge and print
Depends upon what you mean by "merge" here...if you want the numeric result, that's D=-reshape(diff(reshape(M.',2,[])),size(M,...
3 days ago | 0
Searching for slightly different versions of one string in another string array
>> S='ABC12'; >> A(matches(strrep(A,' ',''),S)) ans = 1×3 cell array {'A BC1 2 '} {'AB C 12'} {' A B C1 2'} ...
4 days ago | 0
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Help with changing text in a table
tSingh=readtable('singhData.xlsx'); catnames={'Protein A','VI','DI','AN', 'UF','CA','VRF','DF'}; tSingh.Step=categorical(tSing...
4 days ago | 0
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Help with changing text in a table
It's always bestest to attach a short section of your file/variable that illustrates...but will take a stab at it from the descr...
4 days ago | 0
Create comma-separated list from data of UITable
>> which -all kmlwritepoint 'kmlwritepoint' not found. >> So this is not a MATLAB function I've got... kmlwritepoint shows i...
4 days ago | 0
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Use XSteam with vectors
You'd have to rewrite the interface for XSteam itself to know what to do with vector inputs; I've looked at that code some in th...
5 days ago | 0
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Hi there, I want to show only one x axis value (on 0 value) bold character in my x-axis. I already draw a vertical line on zero value by xline(0) command. Thanks in advance!
You'll have to write the tick labels manually; can't change the characteristics of individual tick labels as they're just text s...
5 days ago | 1
| accepted
datenum(year,month,day,hr) that returns integer
Wrong approach. Instead, convert the table to a timetable; there are direct, builtin functions to return by rowtimes either ind...
5 days ago | 0
| accepted
How to get the highlighted parts from the text file to another separate text file?
D=readlines('SB_PB.txt'); ix=find(contains(D,'NODE FOOT')); NodeData=str2double(split(strtrim(D(i+3)))); to simplify the solu...
6 days ago | 0
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Was struct2array removed from MATLAB?
struct2cell seems to be lowest level still extant, yes. <struct2array#answer_403725> gives some history(*) of its evolution fro...
6 days ago | 0
How to add header row to cell array?
A cell array doesn't have the facility for headers, per se; if you add to it you've effectively created more data -- and when yo...
6 days ago | 0
How do I specify the datatype for readcell?
readcell will allow the use of an import options object whch would let you set the variable types. However, I'd strongly encour...
7 days ago | 1
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Polyfit on a 3d plot
That's fairly simple, just loop over the displacement array with a set of the position data to compute that set of coefficients ...
7 days ago | 0
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How to have a numerical legend showing with a categorical histogram?
The legend labels are just text; you can make then whatever you want -- try something like: nStroke=[2000,100;2750,125]; ...
8 days ago | 0
Reading files from different directories
if exist(file, "file") will only find the file if it is in the current working directory or on the search path and only if the ...
8 days ago | 0
Position of Not-visible figure is WRONG (two monitors bug?)
I deal with it by having a usersettings structure saved as a .mat file that contains all the stuff to restore from the user's la...
8 days ago | 0
| accepted
HOW TO GROUP THE ELEMENTS OF AN ARRAY
One of those cases where the optimal way depends upon being familiar with internal array storage order being column-major and ma...
8 days ago | 0
| accepted
how can I add and change the position of elements in vector
NB: even if you have (again the unstated problem) >> a=2;b=3; >> ma=[a;b;0]; >> ma=[repmat(ma(3),2,1); sum(ma(1:2))] ma = ...
8 days ago | 0
Splitting a matrix according to there labels
[ix,idx]=findgroups(X(:,4)); % get grouping variable on fourth column X for i=idx.' % for each g...
8 days ago | 1
Extract number from string
v=str2double(extractAfter(X,'=')); is one way. For more difficult cases look at the new(ish) @doc:pattern function
8 days ago | 1
| accepted
Reading text file and searching for specific lines
D=readlines('Full_TableX.txt'); % read as string array ixP1=find(contains(D,'Pipe')...
9 days ago | 0
| accepted
Generate hourly timeseries data from "START,END,VALUE" data
Well, in the end it turned out not so bad after all -- and, somewhat surprisingly, it didn't seen to be too bad on performance.....
9 days ago | 1
| accepted
if statements inside for loop issue
"I know nuthink!" about Simulink, but the problem you have in the function is primarily that you've created all those named vari...
9 days ago | 0
| accepted
