Linear Algebra

Linear Algebra Symbols   a ∙ b a × b A ⊗ B   Symbol Symbol Name Meaning / definition ∙ dot scalar product × cross vector product A⊗B tensor product tensor product of A and B inner product [ ] brackets matrix of numbers ( ) parentheses matrix of numbers | A | determinant […]

Set Theory Symbols

Set Theory Symbols Symbol Meaning / definition Example { } a collection of elements A = {3,7,9,14}, B = {9,14,28} A ∩ B objects that belong to set A and set B A ∩ B = {9,14} A ∪ B objects that belong to set A or set B A ∪ B = {3,7,9,14,28} A […]

Logical Symbols

Logic symbols Symbol Meaning / definition Example    · and and xy ^ caret / circumflex and x ^ y & ampersand and x & y + plus or x + y ∨ reversed caret or x ∨ y | vertical line or x | y x‘ single quote not – negation x‘ x    […]

Greek Alphabets

Greek alphabet letters     Greek Symbol Lower Case Greek Letter Name English Equivalent Pronunciation Α α Alpha a al-fa Β β Beta b be-ta Γ γ Gamma g ga-ma Δ δ Delta d del-ta Ε ε Epsilon e ep-si-lon Ζ ζ Zeta z ze-ta Η η Eta h eh-ta Θ θ Theta th te-ta […]

Quadratic Equation

Quadratic equation is a second order polynomial with 3 coefficients – a, b, c. The quadratic equation is given by: ax2 + bx + c = 0 The solution to the quadratic equation is given by 2 numbers x1 and x2. We can change the quadratic equation to the form of: (x – x1)(x – […]

Probability Symbols

Probability Symbols table   Symbol Symbol Name Meaning / definition Example P(A) probability function probability of event A P(A) = 0.5 P(A ∩ B) probability of events intersection probability that of events A and B P(A∩B) = 0.5 P(A ∪ B) probability of events union probability that of events A or B P(A∪B) = 0.5 […]

Normal and Probability Distribution

Normal distribution is a continuous probability distribution. It is also called Gaussian distribution. The normal distribution density function f(z) is called the Bell Curve because it has the shape that resembles a bell. Standard normal distribution table is used to find the area under the f(z) function in order to find the probability of a […]

Mathematical Symbols

Basic math symbols Symbol Symbol Name Meaning / definition Example = equals sign equality 5 = 2+3 ≠ not equal sign inequality 5 ≠ 4 > strict inequality greater than 5 > 4 < strict inequality less than 4 < 5 ≥ inequality greater than or equal to 5 ≥ 4 ≤ inequality less than […]

Exponent Rules

The base a is raised to the power of n is equal to the multiplication of a, n times: an = a × a × … × a n times a is the base and n is the exponent. Exponents rules and properties Rule name Rule Example Product rules a n · a m = […]