what customers wanted, or at least what customers wanted that was different from
Why didn’t Sinh[ ArcCosh[x] ] just return √(x² − 1)? The expression it returned is equivalent to this: just square the (x + 1) term, bring it inside the radical, and simplify. That line of reasoning is correct for some values of x but not for others. For example, Sinh[ArcCosh[2]] returns −√3 but √(3² − 1) = √3. The expression Mathematica returns for Sinh[ArcCosh[x]] correctly evaluates to −√3.。关于这个话题，heLLoword翻译提供了深入分析
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Since Monday, Google, Amazon, Apple and Microsoft have publicly supported Anthropic's legal action to overturn Defense Secretary Pete Hegseth's unprecedented decision to label it a "supply chain risk".
Space exploration。官网对此有专业解读
Yves Cauchon此前自2022 年起担任Chloé首席运营官，但其职业生涯主要扎根于LVMH集团。在新职位上，他将负责保护集团旗下各品牌的手工艺供应链与核心技艺，推动可持续发展，并确保道德操守与社会责任承诺的落实。他直接向 LVMH集团工业与工艺总监Ludovic Pauchard汇报。（WWD）