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dpb


Last seen: Today |  2012 이후 활성

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Changing names and removing quotes in row2vars output table
As always, if you would show the code you used to create the table, it would make our job much easier... The table command and ...

1일 전 | 0

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Using Cells() in VBA with Excel via ActiveX
While off topic, there are enough using Excel and ActiveX that it is a pretty active subject area, so I'll add one more I couldn...

14일 전 | 답변 수: 0 | 0

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답변 있음
Plot 3 lines using plotyy with Different X-axis
plotyy creates two overlaying axes; you've created two sets of those and there's no way to not occlude one axis with the other, ...

16일 전 | 0

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How do I overlap boxplots on top of each other for the same x-axis?
Use boxchart and the grouping by color option probably best builtin solution...

20일 전 | 0

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What is this fft code doing?
See the documentation of FFT and read the example for a one-sided PSD from the FFT carefully... Basically, the reason for the a...

20일 전 | 0

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Find and compare rows in table by column value
groupsummary(table,{'Year','Ed_level'},@(x)mean(x(randperm(numel(x),50)),'Income')

21일 전 | 0

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How do I select several rows in Excel?
I'll throw the last example code out as an Answer as well as Comment just for visibility -- and it may turn out useful for other...

21일 전 | 1

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How do I select several rows in Excel?
You can use any valid range expression to address any range you can code the logic to compute addresses of. You must then use e...

22일 전 | 1

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Save a matrix .mat in a specific folder with a variable name
save(filepath,'variablename') The functional form of save needs the file name to be the variable containing the (hopefully full...

22일 전 | 0

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is there any way to pause the code if there exist an imaginary variable?
While I've not tried it, the following should work if you can arrange the conditions needed. The first one may be the kicker in...

23일 전 | 1

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Adding text programmatically to a figure
text() is exclusively a child of an axes, not a figure. To write text outside the boundaries of an axis, use the annotation obj...

23일 전 | 0

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How to scan directories and find a specific file in each folder and their respective subfolders
Of course. However, with base MATLAB syntax you have to traverse the folder tree manually/explicitly in code; there are a numbe...

23일 전 | 0

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Adding latex equation to a Matlab Live Script and Plot the equation
LaTeX is simply a display feature, at least so far it isn't tied to the actual code...

25일 전 | 0

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enumeration Fails with get(), set() arguments
OK, I (finally!) figured out how to code the above to use a named constant with external interface -- don't use MATLAB enumerati...

26일 전 | 0

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How to lookup and return a corresponding value from table?
I'd start by turning 'obs' into a categorical variable... cmnt0 = categorical({'obs1';'obs2';'obs3';'obs4'}); curve=[1;2;3;2];...

약 1달 전 | 0

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I like to save a cell array into text file
>> c={'Al','Mg';'Na','K'} c = 2×2 cell array {'Al'} {'Mg'} {'Na'} {'K' } >> join(c,'') ans = 2×1 cell a...

약 1달 전 | 0

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How to Interpolate scalar on new grid
Error using griddedInterpolant Sample points must be unique. comes from x = Results(:,1); y = Results(:,2); ... [X,Y]=mesh...

약 1달 전 | 0

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How to save this matrix?
If there's just one array/matrix M, then fid=fopen('test.txt','w'); fmt=[repmat('%.4f',1,size(M,2)) '\n']; % build ...

약 1달 전 | 1

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What is missing from MATLAB #2 - the next decade edition
Related to my previous re: insert() function for tables @ <What is Missing is insert() Function> would be enhancement to addvars...

약 1달 전 | 0

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how can i get data sampling rate and FFT bin width?
"What is the default value of the parameters fft?" None...the fft doesn't care, the sample rate is set solely by the data colle...

약 1달 전 | 0

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How to plot an array with an hourly time stamp without starting at 00:00:00?
You can build complete datetime variables from the input by something like-- dt1=datetime("yesterday")+duration(T(1)); % ...

약 1달 전 | 0

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How can I convert file txt into matrix?
Simply put, you can't. An array of anything (even a cell array) has to be regular (your cell array above is Nx1; it is only the...

약 1달 전 | 0

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Box plot with categorical axis - without LaTex interpreter
Much easier now... :) optFV=detectImportOptions('fruitvegprices.csv') % lets you then set the input...

약 1달 전 | 0

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calculate kurtosis in matlab and minitab but not same answer
Looks like Minitab uses the bias-corrected estimator with the "-3" convention applied -- K>> kurtosis(x(:,2),0) ans = ...

약 1달 전 | 0

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sorting data tables according to results from cluster analysis
Y=X(outperm,:); % presuming X is the variable guessing from the initial code...

약 1달 전 | 1

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sort the matrix X, then sort the another matrix in the same order as X
Matrix expansion of subscripts gets you here... Q=cell2mat(arrayfun(@(i) P(i,indx(i,:)),[1:size(P,1)].','UniformOutput',false))...

약 1달 전 | 0

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How can I plot a circle over an interval (range of values)
hL=plot([-1327,0],[0 0],'LineWidth',8,'Color',[1 1 1]*0.5); xlim([-1500 200]); ylim([-20 20]) xticks([]),yticks([]) hold on ...

약 1달 전 | 0

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How to choose values from vector (150 000x1). When i need first 512 values for x, next 512 values for y and next 512 values for z. And separate vector by this style to the end
XYZ=reshape(V,512,[]); then process by column. Most MATLAB functions operate by column natively; depending upon what you're do...

약 1달 전 | 0

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R2017b Compatibility
https://www.mathworks.com/support/requirements/matlab-system-requirements.html?s_tid=srchtitle_MAC%20Monterey_6 indicates R2021b...

약 1달 전 | 0

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How do I get my graphs to converge on one ?
... [yob,t,xob] = lsim(syst,r,t,[x0 x0ob]); figure(2); hold on plot(t,xob(:,1)/max(xob(:,1)),'r'); plot(t,xob(:,2)/abs(min(...

약 2달 전 | 0

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