How to convert sometimes negative decimal matrix to two's complement

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Nick DeMarchis
Nick DeMarchis 2019-5-20
回答： vidhathri bhat 2019-5-28
I have a matrix that is 667648x2, full of sometimes negative decimals that range between -1 and 1. How would I convert this matrix into some output of 16 bit two's complement binary numbers? Thank you.

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回答（1 个）

vidhathri bhat
vidhathri bhat 2019-5-28
Hi
You can use num2bin() function to do that. Here is an example. You can check out the functions here to change the parameters as required
https://www.mathworks.com/help/fixedpoint/ref/num2bin.html
https://www.mathworks.com/help/fixedpoint/ref/quantizer.html
x = [-0.1 0.02 -0.4; 7 9 -11]
x =
-0.1000 0.0200 -0.4000
7.0000 9.0000 -11.0000
q = quantizer([16,8])
q =
DataMode = fixed
RoundMode = floor
OverflowMode = saturate
Format = [16 8]
y = num2bin(q,x)
y =
6×16 char array
'1111111111100110'
'0000011100000000'
'0000000000000101'
'0000100100000000'
'1111111110011001'
'1111010100000000'

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