takilog https://blog.hatena.ne.jp/takilog/ taki["blog"] = 2026 https://takiblog.hateblo.jp/ note2018 幾何についてレベルが低すぎるので読んでいた木曜日。寒いよね。(つ∀-)ｵﾔｽﾐｰ struct Line a::Float64 b::Float64 c::Float64 end function frompoints(x1::Float64, y1::Float64, x2::Float64, y2::Float64) dx = x2 - x1 dy = y2 - y1 return Line(dy, -dx, dx * y1 - dy * x1) end function getintersectionpoint(l1::Line, l2::Line) d = l1.a * l2.b - … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakiblog.hateblo.jp%2Fentry%2F2018%2F01%2F25%2F000000" title="2018/1/25 幾 - taki[&quot;blog&quot;] = 2026" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2018-01-25 00:00:00 rich https://takiblog.hateblo.jp/entry/2018/01/25/000000 1.0 100%