SetAccuracy

可用

Set every numeric leaf of an expression to a fixed accuracy (precision = accuracy + Log10[|x|] per leaf)

形式

SetAccuracy[expr, a]

已驗證的範例SetAccuracy[1234.5678, 32] → 1234.567800000000033833202905952930450439453125`35.0915149455092 SetAccuracy[a + 2 b + 3 c, 20] → a + 2.`20.30102999566398*b + 3.`20.477121254719663*c SetAccuracy[p, 18] → p

在 Qurak 上執行搜尋參考文件

主題

Precision And Accuracy Control - Machine Numbers

相關

N Accuracy SetPrecision AccuracyGoal Chop MachineNumberQ MachinePrecision Precision PrecisionGoal WorkingPrecision

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