floating point question

2011 3 25
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Hello. I imported a .csv file to into matlab which has 10 million rows and 2 columns. I truncated the number of rows to 100 thousand. The first column has doubles but matlab only displays 4 digits after the decimal point. Is there a way to get more digits like 8 or 9?

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Sean de Wolski
Sean de Wolski 2011-3-25

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The digits are there; they just aren't displayed.
format long
to view them

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vsee
vsee 2011-3-25
can you explain pls? if I have A[1:100000,1:2] as the original matrix with 100000 rows and 2 columns and if I create another matrix time with all the rows and 1st column how do I format the time matrix? Thanks
Matt Fig
Matt Fig 2011-3-25
For example: copy and paste this into your command window:
clc
format short
pi
format long
pi

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