machine epsilon造句
例句與造句
- Numerical analysis uses machine epsilon to study the effects of rounding error.
- Computing machine epsilon is often given as a textbook exercise.
- Since machine epsilon is a bound for relative error, it suffices to consider numbers with exponent e = 0.
- For a number system and a rounding procedure, machine epsilon is the maximum relative error of the chosen rounding procedure.
- Using this calculated step size with an error tolerance of less than half of the machine epsilon yields a symplectic integration.
- It's difficult to find machine epsilon in a sentence. 用machine epsilon造句挺難的
- Most numerical analysts use the words " machine epsilon " and " unit roundoff " interchangeably with this meaning.
- In languages that allow type punning and always use IEEE 754-1985, we can exploit this to compute a machine epsilon in constant time.
- The following examples compute machine epsilon in the sense of the spacing of the floating point numbers at 1 rather than in the sense of the unit roundoff.
- For example, the comparisons for the medcouple kernel function should be done within machine epsilon, as well as the order comparisons in the greater _ h and less _ h functions.
- The following different definition is much more widespread outside academia : " Machine epsilon is defined as the smallest number that, when added to one, yields a result different from one ."
- In step " n " of the Euler method, the rounding error is roughly of the magnitude ? " y " " n " where ? is the machine epsilon.
- The 1 + a in the denominator is negligible compared to the numerator, so it is left off for expediency, and just b ^ {-( p-1 ) } / 2 is taken as machine epsilon.
- The definition given here for " machine epsilon " is the one used by Prof . James Demmel in lecture scripts and his " LAPACK " linear algebra package, and by numerics research papers and some scientific computing software.
- As has been shown here, the relative error is worst for numbers that round to 1, so machine epsilon also is called " unit roundoff " meaning roughly " the maximum error that can occur when rounding to the unit value ".
- In a strict sense the term " machine epsilon " means the "'1 + eps "'accuracy directly supported by the processor ( or coprocessor ), not some "'1 + eps "'accuracy supported by a specific compiler for a specific operating system, unless it's known to use the best format.
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