LaTeXTEST.md を更新
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LaTeXTEST.md
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LaTeXTEST.md
@ -41,3 +41,66 @@ $$
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$$
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e^x = \sum_{n=0}^{\infty} \frac{x^n}{n!}
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$$
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## 積分と偏微分:
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$$
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\frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} = \frac{\partial u}{\partial t}
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$$
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## 行列と転置:
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$$
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A = \begin{bmatrix}
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1 & 2 & 3 \\
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4 & 5 & 6
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\end{bmatrix},
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\quad
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A^T = \begin{bmatrix}
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1 & 4 \\
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2 & 5 \\
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3 & 6
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\end{bmatrix}
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$$
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## 行列式:
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$$
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\det \begin{bmatrix}
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a & b \\
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c & d
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\end{bmatrix} = ad - bc
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$$
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## 複素解析(オイラーの公式):
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$$
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e^{i\pi} + 1 = 0
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$$
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## 確率論(正規分布):
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$$
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f(x) = \frac{1}{\sqrt{2\pi\sigma^2}} \exp\left(-\frac{(x-\mu)^2}{2\sigma^2}\right)
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$$
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## 連立方程式(アライン環境風):
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$$
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\begin{aligned}
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x + y &= 3 \\
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2x - y &= 0
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\end{aligned}
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$$
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## フーリエ変換:
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$$
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\hat{f}(\xi) = \int_{-\infty}^{\infty} f(x) e^{-2\pi i x \xi} \, dx
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$$
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## グラフ理論の記法(隣接行列):
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$$
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A_{ij} =
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\begin{cases}
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1 & (i, j) \in E \\
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0 & \text{otherwise}
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\end{cases}
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$$
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## ベクトルと内積:
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$$
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\vec{a} \cdot \vec{b} = |a||b|\cos\theta
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$$
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