Comparing 2 float nombers

2019 5 4
2 个回答
更新时间：2019 5 4
9 次查看（30 天）

0 个投票

Hello I've some problem for comparing float nombers... a=123.123;
b=a-123;
b==0.123;
ans =
logical
0
...and whats the problem???
Tanx again...

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回答（2 个）

KALYAN ACHARJYA
KALYAN ACHARJYA 2019-5-4
编辑：KALYAN ACHARJYA 2019-5-4

0 个投票

>> format long
>> a=123.123
a =
1.231230000000000e+02
>> b=a-123
b =
0.123000000000005
>> b==0.1230
ans =
0
Read here more detail
Image Analyst
Image Analyst 2019-5-4

0 个投票

Try the function ismembertol().
See more discussion of your FAQ in the FAQ document: The MATLAB FAQ

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