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changing 'daytime' data type to string string to export in excel
If the datetimes are in a table, writetable will just work: >> Date = dateshift(datetime,'start','second') + seconds(0:4)';...

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Time series plots for a Project: Urgent
Another option, if you are using MATLAB R2014b or later, is this: Speed = [20 30 50 60]; Timestamp = ['12-Dec-2014'; '1...

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how to convert 18 digits timestamp to readable date and time in MATLAB
Another option, if you have MATLAB R2014b or later, is this: >> x = [uint64(634019142119225390) uint64(634019142129597610) ...

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How can I access variables inside a table inside a table?
As far as I can tell, you _don't_ have a table inside a table. You have a cell vector of tables. Nothng wrong with that, but it'...

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making a result table
At a minimum, num2str(1:m) isn't going to generate a cell vector of strings, which is what the row names need to be. For example...

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Read table using readtable with different number of spaces and delete unnesessary spaces
Thomas, if you provide a format string to readtable ('Format','%f%f%s%s%f' in your case, I think), you can also specify paramete...

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Read timestamp from data file with mixed formats
Hadi, in R2014b, you have the right format string for %D. But as Per points out, you need R2014b to use %D. In R2014a, you can r...

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Inserting a data (3 variables) into a MATLAB Table
Buck, you've said "MATLAB Table" which sounds like you mean the data type called table. But there's nothing involving tables in ...

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writetable change "Row" in cell A1
David, you can set the dimension names property, such as data.Properties.DimensionNames{1} = 'SomethingOtherThanRow'; Ho...

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Table "Vertical Lookup", how to do it?
It's not terrible clear what you're asking for. A simple example would have helped. It sounds like you want to do a join oper...

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Replace String with a NaN in table
It sounds like you imported a file where some of the columns were mostly numbers, but some strings mixed in. Best to avoid getti...

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Generating Distributions using the Pearson System
It's no different than asking, "why isn't mean(randn(1000,1)) exactly equal to 0?" You're confusing the moments of a distributio...

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Datenum: how many seconds in a day?
Just to summarize and expand on what several people have said: 1) The datenum, datevec, and datestr functions work strictly i...

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datetime 'UTCLeapSeconds', 2 second difference across leap sec boundary
James, in the second instance, you're subtracting 2012-06-30T00:00:24.000Z from 2012-07-02T00:00:25.000Z. There really is 86401+...

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Error reading text file using readtable
This T=readtable('file.txt',' ',[0 1]) is not the correct way to call readtable. I have no idea what [0 1] is intended ...

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I get an error when I try to add variable names to a table
The error that I get is Error using matlab.internal.tableUtils.makeValidName (line 36) 'sigma P' is not a valid variable...

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Why doesn't MATLAB's "readtable" honor the 'TreatAsEmpty' option for some strings in my Excel sheet?
A couple of other suggestions: * It may be that Col2 could usefully be converted to a categorical variable, at which point yo...

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Faster array comparison with big datasets
Given Stephen's interpretation of your code, and some similar data, here is a vectorized version that prints out * filenames ...

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Averaging monthly using accumarray for two arrays?
If you have R2014b or newer, this combination of table and datetime makes such grouped calculations fairly succinct: >> Dat...

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Faster array comparison with big datasets
KBK007, as Stephen said, your code is unvectorized, and that's why it is slow. It is also complicated enough that its purpose ki...

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Statistical Test for Random Number Generators
Branko, although many of those tests would be straight-forward to write in MATLAB, I don't know of anyone who's actually done th...

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read table in excel file and save under a different name
Damith, if you have a recent version of MATLAB (R2013b or newer), you should be able to read the spreadsheet with the readtable ...

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Problem with rng shuffle
As Sean said, don't reset the random number generator in a loop. There's no good reason to do it. You are NOT making your random...

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Using the new datetime structure within datasets
Jesse, have you tried using a table rather than a dataset? A table is, roughly speaking, a replacement for dataset that is avail...

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Generating Distributions using the Pearson System
This <http://en.wikipedia.org/wiki/Pearson_distribution picture on Wikipedia> illustrates what's going on: the normal is a point...

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Is it possible to rename columns in a table?
The following are also possible: Rename only some variables (note the parentheses on the left-hand side and the cell array of...

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How do I get the table to produce the results from vectors?
Just to clarify what's going on: Rich, your original code created a table from three 1x6 arrays. They all have the same numbe...

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How to convert nanoseconds timestamp to DateTime structure?
You say "nanoseconds", but you have not said "since when". So >> t = datetime('2014.08.29 05:35:19:7600000','Format','yyyy...

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What causes readtable() to read .csv files into a table with cell arrays instead of a table with numeric values
Most likely you have (what are supposed to be) numeric columns in the file that contain strings like 'NA' or '.', which readtabl...

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How do split columns of dates in the format 'dd mm yyyy hh:mm:ss' to get just hh:mm?
If you have access to R2014b, try this: >> datestrings = {'20 07 1872 13:22:16'; '01 03 2020 05:42:06'; '28 02 1999 12:00:0...

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