随着全球化越来越广泛,我们与外国人之间的交流也越来越普遍。学术科研中,我们难免涉及用英文讲解数学公式。本篇文章着重记录英语学习中的数学应用。

1.希腊字母

小写 大写 全称 英式音标 美式音标
α \alpha α A \Alpha A alpha [ˈælfə] [ˈælfə]
β \beta β B \Beta B beta [ˈbiːtə] [ˈbeɪtə]
γ \gamma γ Γ \Gamma Γ gamma [ˈɡæmə] [ˈɡæmə]
δ \delta δ Δ \Delta Δ delta [ˈdeltə] [ˈdeltə]
ϵ \epsilon ϵ E \Epsilon E epsilon [ˈepsɪlɒn] [ˈepsɪlɑːn]
ζ \zeta ζ Z \Zeta Z zeta [ˈziːtə] [ˈzeɪtə]
η \eta η H \Eta H eta [ˈiːtə] [ˈiːtə]
θ \theta θ Θ \Theta Θ theta [ˈθiːtə] [ˈθeɪtə]
ι \iota ι I \Iota I iota [aɪˈəʊtə] [aɪˈoʊtə]
κ \kappa κ K \Kappa K kappa [ˈkæpə] [ˈkæpə]
λ \lambda λ Λ \Lambda Λ lambda [ˈlæmdə] [ˈlæmdə]
μ \mu μ M \Mu M mu [mjuː] [mjuː]
ν \nu ν N \Nu N nu [njuː] [njuː]
ξ \xi ξ Ξ \Xi Ξ xi [saɪ] [saɪ]
ο \omicron ο O \Omicron O omicron [əʊˈmaɪkrɒn] [ˈɑːməkrɑːn]
π \pi π Π \Pi Π pi [paɪ] [paɪ]
ρ \rho ρ P \Rho P rho [rəʊ] [roʊ]
σ \sigma σ Σ \Sigma Σ sigma [ˈsɪɡmə] [ˈsɪɡmə]
τ \tau τ T \Tau T tau [tɔː] [tɔː]
υ \upsilon υ Υ \Upsilon Υ upsilon [ʌpˈsaɪlən] [ˈʊpsɪlɑːn]
ϕ \phi ϕ \newline φ \varphi φ Φ \Phi Φ phi [faɪ] [faɪ]
χ \chi χ X \Chi X chi [kaɪ] [kaɪ]
ψ \psi ψ Ψ \Psi Ψ psi [psaɪ] [psaɪ]
ω \omega ω Ω \Omega Ω omega [ˈəʊmɪɡə] [oʊˈmeɡə]

2.数学公式

数学符号 英语
a + b a+b a+b a a a plus b b b
a − b a-b ab a a a minus b b b
a × b a\times b a×b a a a multiplied by b b b \newline a a a times b
a ÷ b a\div b a÷b a a a dividied by b b b
a = b a=b a=b a a a equals to b b b \newline a a a is equal to b b b \newline a a a is b b b
a ≠ b a\neq b a=b a a a is not equal to b b b \newline a a a is not b b b
≡ \equiv
a ≈ b a\approx b ab a a a is approximately equal to b b b
≅ \cong
∼ \sim
a < b a<b a<b a a a is less than b b b
a > b a>b a>b a a a is greater than b b b
a ≤ b a\le b ab a a a is less than or equal to b b b
a ≥ b a\ge b ab a a a is greater than or equal to b b b
x → ∞ x\to\infty x x x x approaches infinity
∑ i = 1 n \sum_{i=1}^{n} i=1n
∏ i = 1 n \prod_{i=1}^{n} i=1n

参考资源

[1] 常见数学公式和符号的英文读法大全
[2] Learning AI If You Suck at Math — P6 — Math Notation Made Easy!
[3] Basics of Mathematical Notation for Machine Learning
[4] Reading Mathematics

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