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RE: precision of values stored when using save()


From: Tim Rueth
Subject: RE: precision of values stored when using save()
Date: Thu, 30 Sep 2010 14:03:48 -0700

> -----Original Message-----
> From: John W. Eaton [mailto:address@hidden 
> Sent: Thursday, September 30, 2010 1:05 PM
> To: address@hidden
> Cc: address@hidden
> Subject: precision of values stored when using save()
> 
> On 30-Sep-2010, Tim Rueth wrote:
> 
> | I am using the save() function to store a matrix in a file, 
> which will 
> | later get loaded using load() by another program.  I'd also 
> like the 
> | format of this file to be human-readable, which it is 
> already, except 
> | that the precision that
> | save() uses is far greater than needed, and makes the 
> matrix hard to 
> | read by a human.  Some of the elements of this matrix show 
> 16 decimals 
> | of precision, when I only need 2.
> |  
> | So, I thought I'd do:
> |  
> |         var1 = round(var1 * 100) / 100;
> |  
> | for each variable, but save() still stores all 16 digits in those 
> | cases.  Any ideas of how to format elements saved using save()?  I 
> | could do fopen/fdisp/ sprintf..., but then that makes it more 
> | complicated to read back all the data into the next 
> program.  Save() and load() are perfect for this.
> 
> help save_precision
> 
> jwe

Perfect!  Is there a list of available functions somewhere and links to
their definitions?

Thanks,

--Tim



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