Orðaskrá

afgangur : remainder, least non-negative residue, principal remainder

afleiða : derivative

algildi : absolute value, length, modulus, norm, numerical value

almengi : universal set

andhverf vörpun : inverse mapping

andhverfa : inverse

andhverfanlegur : invertible, non-singular

andhverfur breiðbogakósínus : inverse hyperbolic cosine

andhverfur breiðbogasínus : area-hyperbolic sine, inverse hyperbolic sine

andhverfur breiðbogatangens : inverse hyperbolic tangent

annars stigs jafna : quadratic equation, quadric

annars stigs margliða : quadratic polynomial

aðfeldi : factorial number

aðfella : asymptote

aðgreinir : discriminant

aðlæg hlið : adjacent side

bakmengi : codomain, latent range, potential range, range, range carrier, target

bil : interval

bogaeining : radian

bogafall : antitrigonometric function

bogalengd : arc length

bogi : arc, circular arc, segment

breiðbogakósínus : hyperbolic cosine

breiðbogasínus : hyperbolic sine

breiðbogatangens : hyperbolic tangent

breiðbogi : hyperbola

brennipunktur : focal point, focus

breytistærð : variable

bútaaðferð : finite element method

diffra : differentiate

diffranlegur : differentiable

diffranleiki : differentiability

diffrun : derivation, differentiation

diffur : differential

diffurjafna : differential equation

diffurvirki : differential operator

efra mark : least upper bound, lowest upper bound, supremum

eigingildi : characteristic value, eigenvalue, proper value

eiginrúm : characteristic space, eigenspace

einhalla : monotonic

einingarhringur : unit circle

einingarvigur : normalized vector, unit vector

eintækur : injective, schlicht, univalent

endapunktur : end point, extremity, extremum, limit of integration

eyðingaraðferð : annihilator method, elimination method

faldmengi : cartesian product, cross product, outer product, product set, set product

fall : function

fasti : constant, constant function

ferill : curve, curved line, line, trajectory

ferningsform : quadratic form

flatarmál : area, measure of area, surface area

fleygbogi : parabola

flæði : flux

flötur : face

formengi : argument domain, domain, domain carrier, index set, latent domain, range of arguments, set of definition, source

framlengja : extend

frumtala : prime number

frumþáttun : prime decomposition

fyllimengi : complement, complementary subset

fólgið fall : implicit function

gagntækur : bijective, one-to-one onto

geisli : radius

gildi : image, value

grennd : neighbourhood

gráða : angular degree, degree, degree of angle, local degree, sexagesimal degree, valency, vertex degree

hallatala : slope

heildanlegur : integrable

heildismark : limit of integration

heiltala : integer, integral number, rational integer, whole number

hjúfurhringur : circle of curvature, osculating circle

hjúfurslétta : osculating plane

hliðrun : translation

hliðruð línuleg diffurjafna : inhomogeneous linear differential equation, non-homogeneous linear differential equation

hlutfallspróf : ratio test

hlutheildun : integration by parts, partial integration

hlutmengi : subset

hnit : component

hnitakerfi : coordinate system, system of coordinates

hornafall : trigonometric function, circular function

hornrétt hnit : orthogonal coordinates, rectangular coordinates

hornréttur : perpendicular, orthogonal, normal

hraði : velocity

hringur : circle, circuit, cycle, stigm

hröðun : acceleration

hvel : sphere

hvelfdur : concave

hvelft fall : concave function

hverfipunktur : flex point, inflection point, point of inflection

hálfopið bil : half-open interval, semi-open interval

hæsta gildi : absolute maximum, global maximum, largest value, maximum in the large

hæðarferill : contour line, depth contour, first principal line, height line, isobath, level curve

hæðarflötur : contour surface, level surface

hæðarlína : contour line, depth contour, first principal line, height line, isobath, level curve

innfeldi : dot product, euclidean inner product, hermitian inner product, inner product, scalar product

innri punktur : inner point, interior point

innsetning : change of variables, substitution

innsetningaraðferð : substitution method, integration by substitution

jafna : equation, round

jafnstæður : even

jaðar : boundary, frontier, periphery

jaðarpunktur : boundary point, frontier point

jákvætt ákveðinn : positive definite

kartesk slétta : cartesian plane

keila : cone

keilusnið : conic section

kennijafna : characteristic equation

keðjuregla : chain rule

krappageisli : radius of curvature

krappi : curvature

krossfeldi : cross product, alternating product, exterior product, Grassmann product, outer product, skew product, vector product, wedge product

kvóti : quotient, ratio

kúluhnit : spherical coordinates

kúpt fall : convex function

kúptur : convex

langhlið : hypotenuse

leifastofn : modulus

liða : expand

logri : logarithm

lokað bil : closed interval

lokað mengi : closed set

lotubundinn : periodic

lágvísir : subscript, lower index

lína : straight line, row

línufall : affine function

línuleg diffurjafna : linear differential equation

línulega óháður : linearly independent

línurit : graph

margliða : polynomial, entire rational function

markgildi : limit

meginþverill : first normal, principal normal

mengi : point set

mengjamunur : difference, relative complement, remainder

meðalgildi : average value, expectation, mathematical expectation, mean, mean value

meðalgildissetning : mean value theorem

minni : less, memory, smaller

minni en eða jafn og : less than or equal to

minnkandi : decreasing, antitone, descending, monotonically decreasing, non-increasing

minnsta samfeldi : least common multiple, lowest common multiple, smallest common multiple

mismunaaðferð : difference method, finite difference method

myndmengi : actual range, counterdomain, image, range, right domain

mætti : potential

mótlæg hlið : opposite side

nefnari : denominator

neikvætt ákveðinn : negative definite

náttúrlegur logri : natural logarithm

náttúruleg tala : natural number

núllstöð : root, null, Zermelo-Fraenkel set theory with axiom of choice, zero

oddstæður : odd

opið bil : open interval

opið mengi : open set, region

pólhnit : polar coordinates

rauntala : real number

reikniaðgerð : algebraic operation, law of composition, operation

runa : sequence, infinite sequence, iteration, progression, run

rætt fall : rational function

ræð tala : rational number

rétthyrndur þríhyrningur : right triangle, right-angled triangle

rétthyrningur : rectangle

rót : root, radix, radical, solution

rótarpróf : root test

rótlaus : irrotational, lamellar, non-rotational

röð : series, infinite series, order

rúmskiki : body

samfelldni : continuity

samfelldur : continuous

samfellt diffranlegur : continuously differentiable

samfellt fall : continuous function

samhverfuás : axis of symmetry

samleitin röð : convergent series

samleitnibil : interval of convergence

samleitnigeisli : radius of convergence

sammengi : union, join

samsemdarvörpun : identity mapping

samskeyting : composite

samskeytt fall : composite function

samsíða : parallel

samsíðungur : parallelogram

setning um fólgin föll : implicit function theorem

skilgreiningarmengi : argument domain, domain, domain carrier, index set, latent domain, range of arguments, set of definition, source

skurðpunktur : point of intersection

snertill : tangent line, tangent vector

snertilína : tangent, tangent line

snertislétta : tangent plane

snertivigur : tangent vector

sniðmengi : intersection, meet

sporaskja : ellipse

stak : element, component, coefficient, entry, member

staðbundið hágildi : local maximum, maximum, maximum in the small, relative maximum

staðbundið lággildi : local minimum, minimum, minimum in the small, relative minimum

staðbundið útgildi : extremum in the small, local extremum, relative extremum

stefna á : converge to

stig : degree, linear rank, local degree, order, valency, vertex degree

stigull : gradient

stikaður ferill : parametric curve

stikun : parametrization

stjörnusvæði : star domain

stofnbrotaliðun : expansion in partial fractions, partial fraction decomposition

stofnfall : antiderivative, primitive

stranglega einhalla : strictly monotone

stranglega minnkandi : strictly decreasing

stranglega vaxandi : strictly increasing

straumlína : flow line, stream line

ströng ójafna : strict inequality, strong inequality

stuðull : coefficient, component, element, entry, member

stytta : reduce, cancel

stærri : greater

stærri eða jafn og : greater than or equal to

stærsti samdeilir : greatest common divisor, greatest element, highest common factor, largest element, maximum element

stöðluð margliða : monic polynomial, normed polynomial

stöðupunktur : critical point, equilibrium point, extremal, singular point, stationary point, vanishing

sundurleitni : divergence

sundurlægir tveir og tveir : mutually exclusive, mutually disjoint, pairwise disjoint

sívalningshnit : cylindrical coordinates

söðulpunktur : saddle point

takmarkaður : bounded

talnalína : numerical axis

tegur : integral, root, solution, solving

teljari : numerator

tvennd : ordered pair, couple, pair

tvinntala : complex number

tvíliðusetning : binomial theorem

tvíliðustuðull : binomial coefficient

tvíþverill : binormal

tvöföld rót : double root

tómamengi : empty set, vacuous set, void set

tölugildi : absolute value, length, modulus, norm, numerical value

tölustærð : scalar

ummyndun : transformation, mapping, record, transform

ummál : circumference, perimeter

undirsumma : lower sum

uppsprettulaus : solenoidal

vaxandi : increasing, ascending, isotone, monotonically increasing, non-decreasing

veldaröð : power series

veldi : power

veldisfall : power function

veldisstofn : base, radix

veldisvísir : exponent, power exponent

veldisvísisfall : exponential function

vigur : vector

vigursvið : vector field

vindingur : second curvature, torsion

vægi : moment, weight

vísamengi : index set

vísitala : index

vörpun : mapping, record, transform, transformation

yfirsumma : upper sum

yrðing : proposition, sentence, statement

áttanlegur : orientable

áttun : orientation

átækur : surjective, onto

óeiginlegt heildi : improper integral

ójafna : inequality

óræð tala : irrational number

óákvarðaður : undetermined

óþættanleiki : indecomposability, irreducibility

önnur rót : square root, second root

þjáll : infinitely differentiable, smooth

þjáll á köflum : piecewise smooth

þríhyrningur : triangle

þverlína : normal, normal line, perpendicular

þverstæður : perpendicular, orthogonal, normal

þvervigur : normal vector

þáttun : decomposition, partition, resolution, splitting, subdivision

þáttur : component, connected component, factor, maximal connected subgraph