i want to see very long digit scaled fixed point

Example: i have a number: 8.123 e-15. And after that. e-16 become to 0. And i want see more. Anyone can tell me how to fix this? . Many thank.

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long digit scaled fixed pointMATLAB

i want to see very long digit scaled fixed point

Example: i have a number: 8.123 e-15. And after that. e-16 become to 0. And i want see more. Anyone can tell me how to fix this? . Many thank.

- How to fix the digits for the summation
- I’m running “fft” on an even real valued function. The results should have no imaginary component (zeros). Usually this happens. Sometimes I get small imaginary numbers (10^-15). Is this a precision limit of the “fft” algorithm
- How to let the code just consider the demical number ?
- Rounding big numbers?!

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