$PerformanceGoal
$PerformanceGoal
给出选项 PerformanceGoal 的缺省设置，用于图形和其它算法函数.
更多信息
- $PerformanceGoal 的典型缺省值为 ControlActive["Speed","Quality"].
范例
基本范例 (2)
当 Manipulate 控件处于激活状态时，$PerformanceGoal 通常会改变：
Manipulate[{n, $PerformanceGoal}, {n, 0, 1}]$PerformanceGoal 可局部设置以影响 PerformanceGoal 的设置：
Block[{$PerformanceGoal = "Speed"}, {Plot[Sin[1 / x], {x, -1, 0.01}], Plot[Sin[1 / x], {x, 0.01, 1}]}]
Wolfram Research (2007)，$PerformanceGoal，Wolfram 语言函数，https://reference.wolfram.com/language/ref/$PerformanceGoal.html.
文本
Wolfram Research (2007)，$PerformanceGoal，Wolfram 语言函数，https://reference.wolfram.com/language/ref/$PerformanceGoal.html.
CMS
Wolfram 语言. 2007. "$PerformanceGoal." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/$PerformanceGoal.html.
APA
Wolfram 语言. (2007). $PerformanceGoal. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/$PerformanceGoal.html 年