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MATLAB digit precision (Read 5585 times)
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Junior Member
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Posts: 16
Dresden, Germany
MATLAB digit precision
Oct 03
rd
, 2012, 5:39am
Greetings
I have been trying to import simulation data from Cadence into MATLAB. I save the simulation data in csv format and imported it into MATLAB, but the import wizard shows truncated values with only 4 digit precision while the original values taken from Cadence have upto 15 digit precision. I have attached a figure for reference. Can i enhance digit precision in MATLAB in import wizard?
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prec.JPG
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Maks
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Posts: 52
San Jose
Re: MATLAB digit precision
Reply #1 -
Oct 3
rd
, 2012, 6:14pm
Internally, Matlab uses double precision for its data.
By default, it displays only 5 digits.
You can increase the number of displayed digits using "format long e" command.
Check this link, or make a search on "Matlab precision" in Google:
http://homepages.math.uic.edu/~hanson/MATLAB/MATLABformat.html
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Junior Member
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Posts: 16
Dresden, Germany
Re: MATLAB digit precision
Reply #2 -
Oct 4
th
, 2012, 2:15am
Thaks Maks,
"MATLAB does its internal arithmetic in IEEE floating point precision using approximately 16 decimal digits, but the default display is only 5 decimal digits, so do not be too concerned about the digits actually displayed as MATLAB output...."
Ref:
http://homepages.math.uic.edu/~hanson/MATLAB/MATLABformat.html
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