Answered
Compare matrix element without loops
Not w/o zero loops, think not, but can reduce to one... idx=1:nG; % working index array for element logical lookup/e...

21일 ago | 1

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Answered
present decimal values in a pie graph
... for i = 1 ; length(num) % ";" should be ":" num(i) = ((num(i)/sum(num))*100); end Use Matlab array syntax ...

22일 ago | 0

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Answered
Interpolate data with 2 variables
Your data are pretty sparse over the 2D space but you can try F=scatteredInterpolant(S,T,F); f=F(s,t); where S,T,F are your d...

22일 ago | 0

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Answered
Multiple Curve intersection plot
Actually, after looking at the drawings some more, I realize you did supply enough originally to make an initial pass at it... ...

23일 ago | 0

Answered
Convert datetime that's not in Matlab format to a matlab format datetime
TZ offsets are recognized in ML datetime -- your string can be converted as: s='2014-12-13T18:45:00+00:00'; >> datetime(s,'Inp...

23일 ago | 1

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Answered
horizontal concatenate a datetime structure to a table array
I can't tell which data it is you're trying to piece together, but from the OrginalData.mat you posted in the previous Q? on dat...

24일 ago | 1

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Answered
remove table header row
Should show your work when you've tried something that seems like should but doesn't...it's really quite a straightforward task-...

24일 ago | 0

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Answered
date and time format change
>> tst=GBP_USD.Date(1:10); % just a sample set to play with >> datetime(tst,'InputFormat','yyyy-MM-dd''T''HH:mm:ss.SSSS...

24일 ago | 1

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Answered
Conversion of Categorical to double
To answer the question posed, Data.Column7=double(Data.Column7); but see the comment above -- the better solution would be to...

24일 ago | 1

Answered
Conversion of Categorical to double
y1 is a grouping variable of which bin each refers to; it will be in the range of 1:N where N is number of unique categories in ...

24일 ago | 0

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Answered
how to compare two arrays
O=zeros(size(A)); for i=1:size(A,2) O(:,i)=interp1(B(:,i),B(:,i),A(:,i),'next','extrap'); end

24일 ago | 0

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Answered
Sorting a mixed text-numeric matrix (cell array) by one of its (numeric) columns
t=readtable(fileName,'readvariablenames',1); t.sort=rand(height(t),1); [~,ix]=sort(t.sort); t=t(ix,:);

24일 ago | 1

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Answered
How to find common calendar of three matrices?
ABC=[A;B;C]; d=datetime(ABC(:,1:3)); g=findgroups(d); D=splitapply(@(x) {vertcat(x)},ABC,g); D=cell2mat(D(cellfun(@(c)size(c...

24일 ago | 0

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Answered
how to find a non affected rank in a vector column
Probably for such a case as written for j=1:4 try set(h_leg(j),fontsize,12); catch end end will solve the probl...

25일 ago | 1

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Answered
How to stop on a variable getting a specific value?
dbstop in file at if expression is best you can do I think...you don't have to manually insert the breakpoint at every line but...

25일 ago | 0

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Answered
Why does matlab allow array indexing by a string by converting them into ascii codes?
Why? Because it retains consistency across data types of char() being simply an array of byes. Indexing by alphabetical inde...

27일 ago | 1

Answered
uigetfile for multiple type problem
Gotta' have good eyes in reading the documentation...use uigetfile({'abc*.mat';'*.dat'}) instead--a column instead of row vect...

27일 ago | 0

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Answered
How to concatenate k vectors together without knowing the value of k ?
"... I have to do all these operations in one line in the max function" Well, no, not really -- that's a restriction you've pla...

27일 ago | 1

Answered
How to add x-axis in the bottom or in the top of a figure?
Indeed, why after 30 years TMW hasn't built parallel universe for it is simply incomprehensible, I agree. It isn't all that ha...

27일 ago | 1

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Answered
How can i determine last infection point of a vector?
For the type of figure as shown, simple difference will work... >> d=[0 diff(A)]; >> A(d>4) ans = 173 >> where the '4'...

27일 ago | 1

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Answered
i need to delete a zero from a single row 10 column vector
As we've covered the other cases pretty thoroughly... For the specific input vector OP showed where it is almost certain it is ...

27일 ago | 0

Answered
fplot command what is the default resolution ?
clear x f=@(x) 3*exp(-x).*sin(x); fplot(f,[0 8],'b') will produce the same plot -- fplot doesn't use your x array at all; it ...

27일 ago | 0

Answered
How to fix the ticklabels - time series analysis?
Clearly, the ticklabels you wrote are (1:5000)/20. The first label is 0.05 --> 1/20, the second 0.10 --> 2/20, etc., etc., ......

28일 ago | 1

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Answered
How can i plot raw eeg data
You have to load the library first...see the example code in the documenation for checking...use your wanted library name, path ...

28일 ago | 0

Answered
Difference between readmatrix() and readtable()
It appears readmatrix is limited to returning one type of data in the output array as the 'OutputType' named parameter is limite...

29일 ago | 1

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Answered
How to extract the data lines from a large text file which contains combined numeric lines and text lines
Basic outline is as follows... fid=fopen('OneLineData.dat'); data=[]; l=fgetl(fid); while ~feof(fid) if contains(l,'SOFM ...

30일 ago | 0

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Answered
How to read mixed delimited data from a text file?
If the file is tab-delimited, the spaces won't matter... data=dlmread(fullfile('yourdirectory','yourfile.txt'),'\t'); % read t...

약 1달 ago | 0

Answered
How can I erase Sheet1 Sheet2 and Sheet3 in excel file using writetable function in matlab?
Modifying workbook properties isn't what writetable does--it just writes to a given sheet, creating one of that name if it doesn...

약 1달 ago | 0

Answered
am trying to find the first and second derivates of a set of data points I've imported
That's essentially trivial file that data=csvread('data_10.csv'); data(:,2)=[nan;diff(data(:,1))]; % first difference...

약 1달 ago | 0

Answered
Function handle not rechecking if statement
tf_f = @(T,Y) isempty(p_f(T,Y)); if tf_f(T,Y) == 1 && bottom_f(Y) > p21top_f(T) elseif tf_f(T,Y) == 1 && top_f(Y) < p21top_f(...

약 1달 ago | 0

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