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one questions# Computation - 科学计算
s*y
1 楼
If one number has an estimated error of 5E-09, I multiply that number
by 10,000, then what would be the estimated error of the result ?
thanks
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l*d
2 楼
Depends on the physical meaning of multiplying operation.
For example, if you want to magnify a signal 10^4 times in
amplitude, then the error should go 10^4 times greater.
However if you measured the weight of one sample and now
want to know the error of the total weight of 10^4 same
samples, then the error goes as 10^2 times greater.

number

【在 s******y 的大作中提到】
: If one number has an estimated error of 5E-09, I multiply that number
: by 10,000, then what would be the estimated error of the result ?
: thanks
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