数学符号-希腊字母-公式英文发音和书写

Code B E
\Theta \Lambda
\Xi P \Upsilon \Psi
Symbol Γ Z I M O Σ Φ Ω
Code \Gamma
Z I M O \Sigma \Phi \Omega
11
20
'XÎ Lˆ•ª
Symbol < ≤
≺
百度文库⊂ ⊆ `
∈
|
:
Code < \leq \ll
\prec \preceq \subset \subseteq \sqsubset \sqsubseteq
9
16 F1ÎÒ
Œ
=©5Ñ ISÑI5Ñ ¥©5Ñ
A
α
alpha
a:lf
C{
Bβ
beta
bet
©
Γ
γ gamma
ga:m
³ê
Xχ
chi
kai
U
∆δ
delta
deta
©
E
epsilon
ep‘silon
MÊÜž
Hη
eta
eit
M©
I
ι
iota
iota
©
K
κ
kappa
kappa
kø
Λ λ lambda
lambda
êÆÎÒ! úª! F1i1 =ŠÖ{ÚÑ\•{
Copyright 2020 by Prof. Hailiang Xiong
2020 c 5 10 F
1 \~¦Ø
Symbol +
× · ÷ /
Speak plus or positive minus or negative multiplies or times
product from i equals one to infinity of y sub i limit as x approaches a of y equals b limit as x approaches a minus of f of x integral of f of x d x
13 ‚5“ê¥ =©Ö{
the fraction x squared over a squared plus the fraction y squared over b squared equals 1 a x squared plus b x y plus c y squared plus d x plus e y plus f equals zero
6
12 p êÆp¡ A‡ÎÒ
Expression
N
1 ∞
xi
i=1
n
1 ∞
yi
i=1
lim y = b
x→a
lim f (x)
x→a−
f (x)dx
Speak summation from one to capital n summation from i equals one to infinity of x sub i product product from one to n
y prime f prime of x nth derivative with respect to x of y
y to the nth prime p prime or first derivative of p p double prime or second derivative of p partial derivative of u with respect to x or partial u over partial x a sub ij
Symbol a◦ ∴ ∵ ... : ∼ → ↑
↓
⊂ ⊃ ⇒ ⇔ ∝
Speak a degrees therefore since or because dot,dot,dot is to til duh Example:n is read n til duh arrow to the right arrow pointing up or upward arrow arrow pointing down or downward arrow contained in or subset of contains implies equivalent proportional to
10 ‘of ¼ê
5
Expression p(x) = 3x2 + 2x − 4
q(x) = x3 − 8
p(x) = a0xn + a1xn−1 + . . . + an−1x + an
Speak p of x equals 3 x squared plus 2 x minus 4 q of x equals x cubed minus 8 p of x equals a sub zero x to the n plus a sub 1 x to the n minus 1 plus dot dot dot plus a sub n minus 1 x plus a sub n
7 “ê(1)
Expression a − (b − c) a − (−b − c)
a − (b + c) − d
ab
a · −b a(b + c) ab − c
Speak a minus the difference b minus c a minus the quantity minus b minus c a minus the quantity b plus c end of quantity minus d ab or a times b a times minus b a times the sum b plus c a b minus c
11 ;’‘p~Ñ êÆÎÒ
Expression σx σxy x µ µ2 µr β1 β2 η Q1 Q3
E(x) j(p)
Speak sigma sub x sigma sub x y x bar mu mu sub two mu sub r beta sub one beta sub two eta Capital q sub one Capital q sub three Capital e of x j sub p in parentheses
9 A‡AÏ
Expression ax
logb a log10 3 · 4
loge
2 5
lnx
a1 + a2 + . . . + an p(x)
Speak a to the x or a raised to the x power log to the base b of a log to the base 10 of the product 3 times 4 log to the base e of the fraction 2 over 5 or log to the base e of the ratio 2 over 5 the natural log of x or In of x a sub 1 plus a sub 2 plus dot dot dot plus a sub n p of x
4
8 “ê(2)
Expression
1 3
Speak one third or one over three
a+b c
+
d
the quantity a plus b over c,that fraction plus d
x2 a2
+
y2 b2
=
1
ax2 + bxy + cy2 + dx + ey
+f=0
2
4 ?êL«
Symbol |a| a a
an
a
a∗
an √
a √ 3a √ na
Speak absolute value of a a prime a double prime a superscript n or a to the n a bar a star or a super asterisk a subscript n or a sub n square root of a cube root of a nth root of a
18
F1i1 Ñ\•{
Symbol α δ η κ ν π τ χ
Code \alpha \delta
\eta \kappa
\nu \pi \tau \chi
Symbol β
θ λ ξ ρ υ ψ
Code \beta \epsilon \theta \lambda
\xi \rho \upsilon \psi
Symbol γ ζ ι µ o σ φ ω
Code \gamma
\zeta \iota \mu \?umaik’r?n \sigma \phi \omega
19 Œ F1i1 Ñ\•{
Symbol A ∆ H K N Π T X
Code A
\Delta H K N \Pi T X
Symbol B E Θ Λ Ξ P Υ Ψ
3 )Ò
Symbol ( ) [ ] { }
Speak open parenthesis or left parenthesis closed parenthesis or right parenthesis open bracket or left bracket closed bracket or right bracket open brace or left brace closed brace or right brace
n column vector a sub one a sub two dot dot dot a sub n
7
14 Ù¦~^ Lˆª
Expression ∆y ∂y
dx dt
y f (x)
dny dxn y(x) p , p˙ p , p¨
∂u ∂x
aij
Speak capital delta y partial y derivative with respect to t of x
=0ˆ
Mµ
mu
mju
D
Nν
nu
nju
Ý
O
o omicron
omik‘ron c—ŒG
Ω ω omega
o‘miga
î’³
Φφ
phi
fai
ÃO
Ππ
pi
pai
Ψψ
psi
psai
ÊÜ
P
ρ
rho
rou
S
Σ
σ
sigma
‘sigma
Ü‚ê
Tτ
tau
tau
@
Θθ
theta
ýit
Ü©
Υ
υ
upsilon
ju:p‘sailon ‰ÊÜ9
8
15 ˆ«ÎÒ
Symbol ∞ ∀
∃
⊥ % ∅ ∅ ∠ &
§ ◦C $ ‰ @ œ ’ ‘’ ” “” √
Q #
Speak infinity forall square circle triangle the integral of exists parallel virgule perpendicular to percent emptyset var nothing angle and semicircle division Celsius system dollar permill at exclam minute single quotation marks second double quotation marks right sharp ell hbar star Diamond numbersign
Expression
27 3 10
a1 a2 . . . an
a1 a2 ... an
Speak two by two matrix first row two seven second row three ten n row vector a sub one a sub two dot dot dot a sub n
5 ‡©Ú ‡©
Symbol d/dx ∂/∂x
Speak d by dx or the derivative with respect to x the partial derivative with respect to x or partial over partial x
3
6 Ù¦êÆÎÒ
or divided by
1
2 ' $ŽÎ
Symbol =
= ≡ <
>
Speak equals or equal to does not equal or not equal is equivalent to less than much less than greater than much greater than
Ξ
ξ
xi
ksi
ŽÜ
Z
ζ
zeta
zat
©
10
17 i1þ¡ þIÑ\•{
Symbol aˆ a˜ a` a¨ a¯ A
Code \hat{a} \tilde{a} \grave{a} \ddot{a} \bar{a} \widehat{A}
Symbol aˇ a´ a˙ a˘ a A
Code \check{a} \acute{a} \dot{a} \breve{a} \vec{a} \widetilde{A}