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Issue when using ceil function

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Silvester
Silvester 2023-2-9
回答： Tushar Behera 2023-2-9
Hello,
I am new to Matlab. I noticed a difference when using the ceil function:
a = ceil(511*5e-6*8e5);
b = ceil(511*5*0.8);
May I know the reason why I got different results for a and b?

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Tushar Behera
Tushar Behera 2023-2-9
Hi Silvester,
The results for a and b are different because the expressions for each of them are different. The issue is not with MATLAB but it is due to how the data for floating point numbers are stored in a computer.
For a better understanding please refer to this MATLAB Answer,
Error in ceil() function? - MATLAB Answers - MATLAB Central (mathworks.com)
I hope this helps you.
Regards,
Tushar

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Image Analyst
Image Analyst 2023-2-9

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