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Split and search strings
There's new set of higher-level functions that will do the first... >> str2double(extractAfter(split(DetailInfo,";"),"=")) ans...

6年弱前 | 1

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Data store only importing 2 columns
DateTimeUTC,AIMHeading,AccX,AccY,AccZ,Surge,Sway,Heave,Roll,Pitch,Inclination,Yaw,HeaveAtRadar,RadarValue,CompensatedRadarValue,...

6年弱前 | 0

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Adding additional data to previous table
If it's not time-critical, it's trivial to just dynamically append -- presuming the table exists initially and the content of th...

6年弱前 | 0

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Splitting time series into segments
Use findgroups to segregate the state groups and plot() over those group indices. Converting the array to a table makes things ...

6年弱前 | 0

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How to generate quarterly date in Matlab?
datetick('x', 'mm/dd/yyyy'); is your problem. datetick is/was ONLY used for the deprecated datenum which was just a double in ...

6年弱前 | 0

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for loop in indices count
>> arrayfun(@(i1,i2) colon(i1,i2),iVmx,iVmn,'UniformOutput',0) ans = 1×6 cell array {1×455 double} {1×203 double} ...

6年弱前 | 0

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unstack warnings about variable names
Just what is says... :) Your table (or timetable) contained data values that were not valid to be used as MATLAB variable names...

6年弱前 | 0

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Output is -INF
You had ... x1 = xi + dt*(a*xi*(1 - xi/20) - b*xi*yi - c*xi*zi); y1 = yi + dt*(yi*(1-yi/25) - a*xi*yi - d*yi*zi);...

6年弱前 | 0

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How do I draw a number of arbitrary grid lines from data in arrays, independently from the default grid?
The trick used there (Nichols plot and other response plots) is to tag them all when drawing and then them all to be hard for us...

6年弱前 | 0

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how to set a frequency of x axis of a plot?
Read up on datetime and plot and the DatetimeRuler... t=datetime(2018:2033,1,1); y=randn(size(t)); % dummy data over your ti...

6年弱前 | 0

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how to set a frequency of x axis of a plot?
If your variable is (as was suggested in other thread asking about formatting it) a datetime, just use xticks with the time span...

6年弱前 | 0

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Data printing on one line instead of multiple lines
As Johannes pointed out, you forgot to output the time (and calculate it, too, for that matter... :) ) ... t=0.0; % i...

6年弱前 | 0

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Save Function and uisave are not working properly.
Syntax issues... >> Name='A long File Name'; % just something to follow your lead... >> Name=Name(~isspace(Name)); ...

6年弱前 | 0

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Merge specific .txt files depending on the prefix.
Just iterate over the prefix of interest... indx=1; % initial prefix number fileString="M"+indx+"_*.tx...

6年弱前 | 0

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how to user grpstats function in this case
>> grpstats(thuey,{'person','month'},{'mean','@sum'},'DataVars',{'spending'}) ans = 3×5 table person ...

6年弱前 | 0

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Plot Multiple Variables Using One Y-Axis
No. The multiple values on the one y-axis option is only for table variables. Seems like woouldn't be that hard to add the abi...

約6年前 | 0

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How i can change significant digit in App Designer UITable ?
Use the 'ColumnFormat' property to set the desired format by column. See the doc for "Table Properties" from the link in the ui...

約6年前 | 0

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Matlab to excel and back! Q about using ActiveX
>> Excel = matlab.io.internal.getExcelInstance Excel = COM.Excel_Application >> excelWorkbook = Excel.Workbooks.Open(fullfil...

約6年前 | 0

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Change zeros to Nans only at a certain page in a 3D matrix
x(x(:,:,3)==0)=nan; Start from inside out...above is isZ=(x(:,:,3)==0); x(isZ,3)=nan; w/o the temporary indexing array. ADD...

約6年前 | 0

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Matlab to excel and back! Q about using ActiveX
I'm unaware of anybody having written the specific tutorial/book you're looking for re: using COM for Excel with MATLAB...don't ...

約6年前 | 0

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Copy elements to end of row vector - help needed!
A) c=c(:).'; B) " matrix 'a', in which stance and swing phases are included. In matrix 'b', in the rows, the indices are me...

約6年前 | 0

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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 ...

約6年前 | 1

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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...

約6年前 | 0

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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...

約6年前 | 1

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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...

約6年前 | 3

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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...

約6年前 | 0

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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...

約6年前 | 0

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

約6年前 | 0

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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" ...

約6年前 | 0

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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...

約6年前 | 0

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