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Transcript of Math
Jaypee M. David, ECE | Holy Angel university | email: [email protected] | website: www.enjayneer.com
Mathematics
y=b – horizontal asymptote
x=a – vertical asymptote
maximum/minimum – extrema or absolute max / absolute min
trichotomy – a>b, a<b, a=b
t=20 min Φ=48 lb
R=6371 km or 3595 mi
Analyzing, interpreting… - statistics
(x+y)+z = x+(y+z) – associative
x+y – closure
multiplicative identity = 1
additive identity (complex) = 0+0j
imaginary zero – conjugate
ordered pair – ordered pair
nominal scale – identification
ordinal scale – ranked
interval scale – calculated & interpreted
ratio – arithmetic operation
quantitative variable - numerical
qualitative or categorical variable – non numerical
discrete variable – countable
continuous variable – can assume within a given range
Inferential statistics – sample results
Descriptive statistics – tables & graphs
Histogram – rectangle representation
Freq polygon –
Freq distribution -
Relative freq distribution
Riemann sum – sum of area of rectangles
Points in a plane – fund theorem anal geom.
m x n = size
m & n = dimension
+ elements at inverse
Row = 4
Column = 0
Mathematician’s toolbox – mathematical induction
Recursion – preceding
, if not stated
θ = parallax
Archimedes spiral – r=aθ
Descartes – exponent
Georg Cantor – theory of sets from study of infinity
Euclid – similar triangles, proportional sides
Upper bound - ≥1
Lower bound - ≤1
Richter Scale:
→
For bacteria:
k=1.386 →
For C-14
Half-life: 5568 yrs
Jaypee M. David, ECE | Holy Angel university | email: [email protected] | website: www.enjayneer.com
c=escape velocity
F=kx
Max=mean + k (SD)
Min=mean – k (SD)
→ Chebyshev’s Theorem
→ lemniscate
r=aθ → Archimedes’ spiral
Cardioid:
→ 3 leafed rose
→ 4 leafed rose
→ circle tangent to y-axis
→ circle tangent to x-axis
θ=a, in line thru the origin
r = a, center of circle at origin
Order – order of the highest derivative
Richter Scale:
Q
Histogram – rectangular
Re = 3959 mi
Parallax shift – moon shift with an angle with background
Descartes – credited for exponents
De Moivre’s theorem – imaginary number raised to natural number powers
Jaypee M. David, ECE | Holy Angel university | email: [email protected] | website: www.enjayneer.com
Imaginary zeros theorem – conjugate
Function – set of ordered pairs
Domain – first set of ordered pairs
Range – second set of ordered pairs
Mode –highest frequency of values
Median – middle number
Fundamental theory of analytic geometry – one is to one correspondence
Algebraic vector – ordered pair (a,b)
Geometric vector – plane, segment with a ray
Bounded – enclosed in a circle
Unbounded – cannot be enclosed in a circle
Sample – selection of few elements
Representative sample – represents the whole set of data
Population – collection of all elements
Random sample – equal chances to be chosen to represent the set of data
Corner point – intersection of two boundaries
Factored completely – non prime
FOIL – first out in last; used to solve binomial factors
Augmented matrix – reduction of matrix
Differential – involves functions and its derivatives
General solution – set of all solutions of a D.E.