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How to create a matrix, table or a cell where in odd columns variables from matrix A and in even columns variabls from matrix B will be stored?
This should work for numeric, cell and table, although Adam's is likely more efficient for numeric: >> x1 = array2table(ran...

約9年前 | 0

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How to effectively assign values to different location in a TABLE?
This question is really unclear. The best I can guess is that you want to assign S into specified rows of one variable in a tabl...

約9年前 | 2

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Is there any function that similar like CELLFUN, for a TABLE Dataype
It's not clear what you code is doing, or what you're using the output for. It appears that your code is finding rows of an Nx3 ...

9年以上前 | 0

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How can I write a table from a matrix?
Perhaps the most straight-forward thing to use to get a table with 30891(=30888+3) variables in it would be t = [table(year...

9年以上前 | 0

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Subscripted assignment dimension mismatch for table variable
t2 is a cable all of whose variables are cell arrays. That's almost certainly not what you want. Assigning one row at a time ...

9年以上前 | 1

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How to subtract time in million second precision?
It might also be worth noting that since you already have the time as a separate thing, you can also do this: >> t1 = durat...

9年以上前 | 1

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Identify and fill missing time gaps with NaN
There's a lot going on here, much of it due, as Walter says, to the way that datenums represent time: counting _days_ since a lo...

9年以上前 | 1

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how to add datetime variable to a bar graph
Starting from R2016b, plotting supports datetimes much more widely, and natively. So >> d = datetime(2017,1:10,1); >> x...

9年以上前 | 0

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How to add values to a column based on time column and its own column?
If your screen shot example is really all you want to do, then it's this: i = find(tt.Interval > 0); tt.Interval(i:end) ...

9年以上前 | 0

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plotting epoch time with nanoseconds
You say, "with nanoseconds", but in fact what you show is not out to nanosecond precision, only to microsecond. Which is good, ...

9年以上前 | 1

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how to add increments to time
You are showing text. A timetable's row times are not text, they would be (in your case) datetimes. retime is the way to sync...

9年以上前 | 0

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How do I take a large table, split it into smaller chunks, and add them to a new table?
Another possibility: use repelem to create a variable in the table that indicates the group number. Then call varfun, using that...

9年以上前 | 0

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financial time series time with milliseconds
Unless you're using a pretty old version of MATLAB, you should consider using readtable. For example, using R2017a, >> t = ...

9年以上前 | 0

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Comparing datetime value from two tables
One of your data files contains daily data with holes, the other contains irregular data of much higher frequency. The only two ...

9年以上前 | 1

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Using timetable column values in loop control?
Your description is not entirely clear to me, especially your gola, but this should get you started. It sounds like you need to ...

9年以上前 | 0

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Change table variable data type
readtable also accepts a Format parameter that would allow you to override the automatic type detection.

9年以上前 | 0

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How do I import a timestamp from Excel/csv?
The best way to do this in a recent version of MATLAB is to use readtable, and create datetimes. This will free you from all the...

9年以上前 | 1

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Group data in one table to analyze data by set intervals in another table
The fact that you have discontiguous length bins makes this more complicated than it otherwise would be. There are several ways ...

9年以上前 | 1

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Matlab Table / Dataset type optimization
Victor, you are stating your problem as if you must always use either one or the other. As already discussed on a couple of othe...

9年以上前 | 1

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Mersenne Twister RNG init_by_array
The "array" you are talking about is typically a state vector, right? You can set the generator state: >> r = RandStream.ge...

9年以上前 | 0

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Convert minute date (stock data) to matlab from .csv
Try this: >> d = datetime(2017,06,12,13,31,60*sort(rand(10000,1)),'Format','dd-MM-yyyy HH:mm:ss.SSS'); >> x = randn(size...

9年以上前 | 0

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Convert minute date (stock data) to matlab from .csv
If you are using a recent version of MATLAB, R2014b or later, it's likely you will be much happier using datetimes, rather than ...

9年以上前 | 0

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I would like to know how to attribute variable names in a Table
Walter's answer is correct, but if you are able to create all those vectors as columns, not rows, then T = table(media, des...

9年以上前 | 0

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Temperature vs time plot
You are likely to be much happier using readtable than textscan. Given that you've used '%D %s' as the format, your temperatures...

9年以上前 | 0

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How to calculate and represent the mean values of many distincts time series?
As dpb says, hard to guess. If you do mean, "the 30 series all have the same sample times, and I want to compute the mean of the...

9年以上前 | 0

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How do I manipulate data from a csv datafile containing date, time and number data?
Your file has date and time in two separate fields. Depending on what version of MATLAB you're using, the table that readtable r...

9年以上前 | 1

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How to insert missing dates for forenoon(F) and afternoon(A)?
If you are using R2016b or later, this is easily done by reading the spreadsheet into a table using readtable, converting to a t...

9年以上前 | 0

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Convert vector of datenum values to datetime values
There's actually a direct conversion, once you lose the cell array: vec = cell2mat(b(:,1)); datetime(vec,'ConvertFrom','...

9年以上前 | 1

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Why are the ticks of the datetick function unevenly spaced
You say "unevenly spaced", by which I think you mean, "the ticks are labelled at sometimes two and sometimes three year interval...

9年以上前 | 0

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How can I create a time series with this data?
Javier, if you have R2016b or later, you might take a look at timetables, as an alternative to timeseries.

9年以上前 | 1