Mathematics symbol and reading law encyclopedia

Mathematics symbol and reading law encyclopedia

Common mathematical input symbols: ≈≡≠=≤≥< >≮≯∷±+-x÷/∫∮∝∞∧∨∑∏∪∩∈∵∴⊥‖∠⌒≌∽√ () "" {}ⅰⅱ⊕⊙∥αβγδεζηθδ

Capital	Lowercase	English phonetic notation	Phonetic symbols of the IPA	Chinese phonetic notation
Alpha	Alpha	Alpha	Alfa	O-Ear method
Beta	Beta	Beta	Beta	Beta Tower
Gamma	Gamma	Gamma	Gamma	Gamma Horse
汛	汛	Deta	Delta	German Ear Tower
Ε	Ε	Epsilon	Epsilon	Epsilon
Ζ	ζ	Zeta	Zeta	Cutting tower
Η	η	Eta	Eta	Etta
Theta	Theta	Theta	Θita	Theta
Ι	ι	Iota	Iota	Jota
Κ	κ	Kappa	Kappa	Capa
∧	Lambda	Lambda	Lambda	Lambda
Μ	Μ	Mu	Miu	Bartholomew
Ν	ν	Nu	Niu	Button
Ξ	Ξ	Xi	Ksi	Can plug
0	ο	Omicron	Omikron	Austrian secret can Rong
∏	Pi	Pi	Pai	Sent
Ρ	ρ	Rho	Rou	Soft
∑	Σ	Sigma	Sigma	Sigma
Τ	τ	Tau	Tau	Sets
Gamma	Gamma	Upsilon	Jupsilon	Clothing Poussillon
Φ	Φ	Phi	Fai	Phileas
Χ	χ	Chi	Khai	Hi
Ψ	Ψ	Psi	Psai	Poussy
Omega	Omega	Omega	Omiga	Naomi

Symbol	Meaning
I	-Square root of 1
F (x)	The value of the function f at the argument X
Sin (x)	The sine function value at the Independent variable X
EXP (x)	The exponential function value at the independent variable x, often written ex
A^x	The X-second side of a, the rational number x is defined by the inverse function
ln x	Inverse function of exp x
Ax	With A^x
Logba	logarithm of B as base A; Blogba = a
Cos x	The value of the cosine function at the independent variable X
Tan x	Its value equals sin x/cos x
Cot x	The value of the cotangent function or cos x/sin x
SEC x	Secant the value of a number that is equal to 1/cos x
csc x	The value of the remaining cut function, whose value equals 1/sin x
ASIN X	Y, the value of the inverse function of the sine function at x, i.e. x = sin y
ACOs X	Y, the value of the cosine function inverse function at x, that is, x = cos y
Atan x	Y, the value of the inverse function of the tangent function at x, that is, x = Tan y
Acot x	Y, the value of the cotangent function inverse function at x, that is, x = cot y
ASEC X	Y, the value of the secant function inverse function at x, that is, x = sec y
ACSC x	Y, the value of the inverse function of the remaining cut function at x, that is, x = csc y
Theta	A standard symbol of an angle, not indicating radians, especially to denote Atan x/y, when x, Y, and Z are used to represent points in space
I, J, K	Represents the unit vector in the x, Y, z direction, respectively.
(A, B, c)	Vectors with a, B, and C as elements
(A, B)	Vectors with A and B as elements
(A, B)	Dot product of A and B vectors
A b	Dot product of A and B vectors
(a B)	Dot product of A and B vectors
|v|	Modulo of the vector v
|x|	The absolute value of number X
Σ	Represents a sum, usually an index. The lower boundary value is written at the lower part, and the upper boundary value is written on the upper part. such as J from 1 to 100 and can be expressed as:. This means 1 + 2 + ... + N
M	Represents a matrix or series or other
|v>	A column vector, that is, an element being written as a column or a vector that can be viewed as a kx1 order matrix
<v|	To be written as a line or as a vector from a 1xk-order matrix.
Dx	An infinitesimal change in variable x, dy, dz, Dr, and similar
Ds	Small changes in length
ρ	Variable (x2 + y2 + z2) 1/2 or the distance from the original point in the spherical coordinate system
R	The distance from the variable (x2 + y2) 1/2 or three-dimensional space or polar coordinates to the z axis
| m|	The determinant of a matrix m, whose value is the area or volume of a parallel region determined by the row and column of the Matrix.
|| m| |	The value of the determinant of a matrix m, as an area, volume, or Super volume.
Det M	The determinant of M
M-1	Inverse matrix of matrix M
Vxw	Vector product or cross product of Vector V and W
Θvw	The angle between the vector V and W
A BXC	Scalar triple product, determinant of matrices with a, B, and C columns
Uw	The unit vector in the vector w direction, i.e. w/|w|
Df	Minor changes in function f, small enough to fit the linear approximation of all related functions
Df/dx	F about the derivative of x and also the linear approximate slope of f
F '	function f about the derivative of the corresponding argument, the independent variable is usually X
∂f/∂x	Y, Z fixed when f on the partial derivative of x. The partial derivative of f on a variable q is usually the ratio of DF to DQ when other variables are fixed. Any place that might cause a variable to be confused should be clearly stated
(∂f/∂x) |r,z	Keep R and Z unchanged, F on the partial derivative of x
Grad F	The elements are f about X, Y, z partial derivatives [(∂f/∂x), (∂f/∂y), (∂f/∂z)] or (∂f/∂x) i + (∂f/∂y) j + (∂f/∂z) k; The vector field, called the gradient of F
∇	Vector operator (∂/∂x) i + (∂/∂x) j + (∂/∂x) K, read as "Del"
∇f	The gradient of F; its and uw dot product is the directional derivative of f in w direction
∇ W	Divergence of the vector field W, for the vector operator ∇ the dot product of the same vector W, or (∂wx/∂x) + (∂wy/∂y) + (∂wz/∂z)
Curl W	Vector operators ∇ The cross product of the same vector W
∇xw	The curl of the W, its elements are [(∂fz/∂y)-(∂fy/∂z), (∂fx/∂z)-(∂fz/∂x), (∂fy/∂x)-(∂fx/∂y)]
∇ ∇	Laplace differential operator: (∂2/∂X2) + (∂/∂y2) + (∂/∂Z2)
F "(x)	F about the second derivative of X, the derivative of f ' (x)
D2f/dx2	F about the second derivative of X
F (2) (x)	It is also the second derivative of F about X
F (k) (x)	F about the K-order derivative of x, the derivative of f (k-1) (x)
T	The unit vector on the tangent direction of the curve, if the curve can be described as R (t), then T = (DR/DT)/|dr/dt|
Ds