Junior😎✌🏻
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Thursday 12 November 2026 05:21:16 GMT
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2026-11-12 07:02:13
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![Write a surface as a graph: x = u, y = V, Z = f(u, v). Here f(u, v) = sin u cos v. The Jacobian holds the two tangent vectors as its rows: 0 1 df/dv] = [t_u; t_vl t_u = (1, 0, df/du) points along the u grid line, t_v = (0, 1, df/dv) along the v grid line. Their cross product is the normal: t_u xt_v = n = (-df/du, -df/dv, 1) #mathemathic #math #wiskunde #physics #Science](/video/cover/7706965484423482646.webp)
