Insert comma/point in a number

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Michela Longhi
Michela Longhi 2017-12-12
评论： Star Strider 2017-12-12
I have a temperature data in a char format without comma or point to divide the decimal and I want to insert a point after the second number (staring from the left):
char= 225800 and I want t=22.58
Can someone help me, please?
Thank you
Michela

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Star Strider
Star Strider 2017-12-12
I am not certain what you are doing.
I assume ‘char’ is a character vector. If so, this will work:
char = '225800';
t = str2double(char)*1E-4 % Double-Precision Numeric
tstr = sprintf('%.2f', t) % Character Array
t =
22.5800
tstr =
'22.58'

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