∆ = t1 - t0 change / difference ∆t ∆ = b2 - 4ac discriminant Δ summation - sum of all values in range of ∑ xi= x1+x2+...+xn ∑ series sigma double summation product - product of all values in range of ∏ capital pi xi=x1∙x2∙...∙xn ∏ series / Euler's e e = 2.718281828... e = lim (1+1/x)x , x→∞ number γ = 0.5772156649... γ φ golden ratio golden ratio constant = 3.141592654... π π pi constant c = = 2⋅π⋅r π⋅d is the between the circumference and diameter of a circle Linear Algebra Symbols Symbol Symbol Name Meaning / definition Example · a · dot scalar product × × a b cross vector product A⊗B A B tensor product tensor product of A and B ⊗ inner product
∆ change / difference ∆t = t1 - t0 ∆ discriminant Δ = b2 - 4ac ∑ summation - sum of all values in range of series ∑ xi= x1+x2+...+xn sigma double summation ∏ capital pi product - product of all values in range of series ∏ xi=x1∙x2∙...∙xn e / Euler's number e = 2.718281828... e = lim (1+1/x)x , x→∞ γ γ = 0.5772156649... φ golden ratio golden ratio constant π pi constant π = 3.141592654... is the between the circumference and diameter of a circle c = π⋅d = 2⋅π⋅r Linear Algebra Symbols Symbol Symbol Name Meaning / definition Example · dot scalar product a · × cross vector product a × b A⊗B tensor product tensor product of A and B A ⊗ B inner product
basic_math_symbols.docx