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dpb


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Answered
How to display an error if a file doesn't exist
ftpobj = ftp('cddis.nasa.gov'); dirStr = sprintf('/gnss/data/daily/2020/brdc/'; cd(ftpobj, dirStr); for i=1:days2get ...

alrededor de 6 horas ago | 0

Answered
Heatmap with specified color ranges?
Whether this does precisely what you're looking for or not, I dunno...but might be a starting point. Nothing like that built in...

alrededor de 11 horas ago | 0

Answered
Can I keep the text of my delimiter or LineEnding when using readcell, readtable, etc.?
OK, try the following for starters...probably cleaner way to do the splits given the indices and direct index manipulation but t...

1 día ago | 1

Answered
What frustrates you about MATLAB? #2
Switching named parameter names for newer functions to not be compatible with old -- from the time of textscan on which goes way...

1 día ago | 1

Answered
How to write a long equation with a long vector(s) shortly?
Vashist has right idea -- wil have to have a real name for the function/function file as can't be a multi-line anonymous functio...

1 día ago | 0

Answered
Heatmap of One Variable
xy=num2str([1:4].','Test%d'); data=[2 1 1 0;nan 1 0 0;nan nan 2 1;nan nan nan 1]; hHM=heatmap(xy,xy,data); looks reasonably c...

1 día ago | 0

Answered
turning functions into floating-point numbers
Evaluate the function over the range and use findpeaks

2 días ago | 0

Answered
efficient ways to read and write complex valued data
Well, dunno how much faster/slower it might be; didn't try to time it, but trying something different-- Iffen by "interleaved" ...

2 días ago | 0

Answered
Change axes x in stackedplot
See yesterday's news...<how-can-i-change-the-pspectrum-time-units> and, while it doesn't look related from the title, it's got t...

3 días ago | 0

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Answered
find first and last index below threshold in a vector
Use find

3 días ago | 1

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Answered
What frustrates you about MATLAB? #2
Stuff like <heatmap-axis-labels-printing-vertically> and <how-can-i-change-the-pspectrum-time-units>. Introducing all these mos...

3 días ago | 1

Answered
How to change strange cell array within a table to double or categorical array
Well, it'd be easier to be sure if could actually know for sure what the data storage is, but guessing on account of the " surro...

3 días ago | 0

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Answered
Locating characters in a string array
As the other respondent says, you don't need a corollary array unless the lookup isn't 1:1 with position (which your description...

3 días ago | 1

Answered
Extrapolate using half the slope than in original data
You've got to match the two at the breakpoint...w/o data so didn't use but the endpoints to roughly match your figure... x=[1 2...

4 días ago | 1

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Answered
How to change strange cell array within a table to double or categorical array
Use the optional valueset, and perhaps catnames inputs to categorical to define as desired.

5 días ago | 0

Answered
What exactly does tStat of fitlm function refer to?
Well, it's the basic linear model hypothesis test statistic that each coefficient in the model is significantly different from t...

5 días ago | 0

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Answered
How can I change the pspectrum time units?
t = seconds(0:length(x)-1)/fs; will fix it.

5 días ago | 0

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Answered
Heatmap Axis Labels Printing Vertically?
Oh, TMW has done it again -- they've buried stuff inside opaque (to the user) objects that should be visible. I wish they would...

6 días ago | 0

Answered
Issue with finding intersection between randomly generated matrices
The results for intersect are correct .. >> (A(16,:)-A_new(3,:)) ans = 1.0e-13 * 0 0 0.1421 >> The ...

6 días ago | 0

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Answered
How to check each number in a user given vector
if nargin<3 GNSSflag = [0 0 0 0]; GNSS = {'GPS','GALILEO','GLONASS','BEIDOU'}; [indx,tf] = listdlg('ListString',G...

6 días ago | 0

Answered
Remove the legends for some lines in a plot
If you only want the scatter points in legend, set the 'Annotation' property to not show the lines... plot(fittedX, fittedY...

7 días ago | 0

Answered
Matlab command for plotting complex number?
See https://www.mathworks.com/help/matlab/creating_plots/plot-imaginary-and-complex-data.html

7 días ago | 0

Answered
Merge datetime with another cell for export
Sure... >> c={datetime(now,'ConvertFrom','datenum'),pi} c = 1×2 cell array {[25-Jun-2020 08:22:52]} {[3.14]} >> wr...

7 días ago | 0

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Answered
How to combine 2 Fits done with cftool
%% Fit: 'untitled fit 1'. [xData1, tmp] = prepareCurveData( Fqr, Prem ); yData1 = tmp+pi/2; % Set up fittype and options. ...

7 días ago | 0

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Answered
How to compare the colums ( 2nd and 3rd) of 2 .csv files based on a condition
Has to be a more direct way, but following works if I understand the request -- tF1=readtable('file1.csv'); tF1.condition=categ...

7 días ago | 0

Answered
How to add the year to the stairs plot
Use a datetime for your time variable and you'll get time plots automagically along the x axis and can set xlim() values with da...

10 días ago | 0

Answered
I want to plot Linear Equations but dont know how to do it on matlab
Since you're still new, let me make some suggestions on coding -- First, use newer features -- if you'll read the doc for xlsre...

10 días ago | 0

Answered
Speed up FFT calculation
"The signal matrix is 36350x2048, 36350 being the number of signals and 2048 being the zero padded length of each signal. " Use...

10 días ago | 0

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Answered
Error when trying to plot multiple box plot's in the same graph.
Your orientation for kcnt1Table is wrong -- as is you'll have 13 boxes, not six; boxplot treats each column as variable. You do...

10 días ago | 0

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Answered
Calculate average for each hour in day
IIUC, retime is not the tool for this; it bins data into desired time segments such as hourly but averages within those bins. T...

12 días ago | 0

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