Data representation of Integer values in .mat file

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Hello ,
I have attached mat file which has one table with x,y,polylinetype ..etc
In Table "y" , i could see the row number 9 has whole number i.e instead of 3787 on 3.7870e+3 but rest of the data are represented as 1.3e+3
how can i represent all the data in syn form i.e 1.23e+3 ?

采纳的回答

Walter Roberson
Walter Roberson 2020-6-12
Use the format command with any of the options
  • short
  • long
  • shorte
  • longe
All of these will represent the values that happen to be exact integers, in the same form as the other numbers.
However, none of these will be similar to 1.23e+3 with one leading decimal place, then the '.', then two digits, then exponent. If you want something like that, you need to do the equivalent of
fprintf('%.2e\n',matfile.y)
By the way, you can see by
>> num2hex(matfile.y(8:10))
ans =
3×8 char array
'456ceeaf'
'456cb000'
'456c5502'
that y(9), the middle of those lines, is being represented by the same data format as the other numbers.

更多回答(1 个)

Robin Kirsch
Robin Kirsch 2020-6-12
Use the format operator found here
>> format shortEng
>> 3787
ans =
3.7870e+003
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