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什么是affine(仿射)
From: https://grok.com/c/2cb06aa9-e642-4583-bd51-0345b3c1a89a?rid=38084f2a-223d-4f66-a83b-2a1d3d51f22b you asked message time: 2026-05-19 11:46:46 什么是affine(仿射) grok response 仿射(Affine) 是数学中一个非常重要的概念,主要出现在线性代数、几何、计算机图形学和…
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what's the integral of $e^{-x^2}$
From: https://gemini.google.com/app/580829cac0a5d30e you asked what's the integral of $e^{-x^2}$ gemini response The indefinite integral of $e^{-x^2}$ (also known as the Gaussian integral) cannot be expressed in terms of…