V2EX starting value

Starting Value

释义 Definition

“起始值;初始值”:指某个过程、计算、变量或参数在开始时设定的数值,用作后续变化、迭代或比较的基准。(也常见同义表达 initial value。)

发音 Pronunciation (IPA)

/strt vlju/

例句 Examples

The starting value is 0.
起始值是 0。

If you choose a poor starting value, the algorithm may converge slowly or fail to find the best solution.
如果你选择了不合适的起始值,这个算法可能收敛很慢,甚至无法找到最优解。

词源 Etymology

starting(开始的)+ value(数值)构成的组合短语,含义直观:在某个过程“开始时”的“数值”。在数学、编程与数据分析语境中常用来强调“作为起点的数值设定”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Introduction to Algorithms(Cormen 等,《算法导论》):讨论迭代/递归与伪代码设置时常涉及“起始值/初始值”的设定。
  • Numerical Recipes(《数值计算方法》):在数值方法(如求根、优化)中常强调选择合适的 starting/initial value。
  • Calculus: Early Transcendentals(Stewart,《微积分》):在数列、迭代与函数分析相关内容中常出现“起始值/初值”的表达。
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