kanition/pbrtbook

微面模型补充推导

kanition opened this issue a year ago · 9 comments

kanition commented a year ago

汇总整理微面模型推导内容

kanition commented a year ago

8.5.2节推广至透射情况：全部max(·,0)项改绝对值项
#145
误差函数erf(x)换元写成erf(a)

kanition commented a year ago

式子8.37交代wi为入射方向

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kanition commented a year ago

式子8.39上方G2写错脚标

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kanition commented 10 months ago

式8.54加插图说明

kanition commented 10 months ago

8.5.4节加插图说明

kanition commented 10 months ago

式子8.60、8.70、8.73、8.74三角函数\sin\theta放后面

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kanition commented 10 months ago

考虑补充积分换元证明

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kanition commented 10 months ago

https://math.libretexts.org/Courses/Monroe_Community_College/MTH_212_Calculus_III/Chapter_14%3A_Multiple_Integration/14.7%3A_Change_of_Variables_in_Multiple_Integrals_(Jacobians)

kanition commented 10 months ago

加回透射btdf扰动推导