Orðaskrá

afleiða : derivative

andhverfanlegur : invertible, non-singular

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

bil : interval

bogalengd : arc length

diffranlegur : differentiable

diffur : differential

diffurvirki : differential operator

eigingildi : characteristic value, eigenvalue, proper value

einingarvigur : normalized vector, unit vector

fall : function

ferill : curve, curved line, line, trajectory

ferningsform : quadratic form

flatarmál : area, measure of area, surface area

flæði : flux

flötur : face

fyllimengi : complement, complementary subset

fólgið fall : implicit function

gildi : image, value

grennd : neighbourhood

heildanlegur : integrable

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

hjúfurhringur : circle of curvature, osculating circle

hjúfurslétta : osculating plane

hornrétt hnit : orthogonal coordinates, rectangular coordinates

hraði : velocity

hröðun : acceleration

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

innri punktur : inner point, interior point

jafnstæður : even

jaðar : boundary, frontier, periphery

jaðarpunktur : boundary point, frontier point

jákvætt ákveðinn : positive definite

keðjuregla : chain rule

krappageisli : radius of curvature

krappi : curvature

kúluhnit : spherical coordinates

lokað mengi : closed set

markgildi : limit

meginþverill : first normal, principal normal

meðalgildissetning : mean value theorem

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

mætti : potential

neikvætt ákveðinn : negative definite

oddstæður : odd

opið mengi : open set, region

pólhnit : polar coordinates

rauntala : real number

ræð tala : rational number

rót : root, radix, radical, solution

rótlaus : irrotational, lamellar, non-rotational

rúmskiki : body

samfelldni : continuity

samfelldur : continuous

samfellt diffranlegur : continuously differentiable

samfellt fall : continuous function

samsemdarvörpun : identity mapping

samskeyting : composite

setning um fólgin föll : implicit function theorem

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

snertill : tangent line, tangent vector

snertilína : tangent, tangent line

snertislétta : tangent plane

snertivigur : tangent vector

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

stigull : gradient

stikaður ferill : parametric curve

stikun : parametrization

stjörnusvæði : star domain

stofnfall : antiderivative, primitive

straumlína : flow line, stream line

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

sundurleitni : divergence

sívalningshnit : cylindrical coordinates

söðulpunktur : saddle point

takmarkaður : bounded

tegur : integral, root, solution, solving

tvinntala : complex number

tvíliðusetning : binomial theorem

tvíþverill : binormal

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

uppsprettulaus : solenoidal

vigursvið : vector field

vindingur : second curvature, torsion

vörpun : mapping, record, transform, transformation

áttanlegur : orientable

áttun : orientation

átækur : surjective, onto

óeiginlegt heildi : improper integral

óræð tala : irrational number

óákvarðaður : undetermined

þjáll : infinitely differentiable, smooth

þjáll á köflum : piecewise smooth

þverlína : normal, normal line, perpendicular

þvervigur : normal vector