rijen Flashcards

1
Q

Meetkundige rij

A

Xn = a. r^n

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2
Q

rekenkundige rij

A

Xn = a + nV

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3
Q

somfunctie toepassen op MR

A

Sn = ((r^n -1)/ r-1)

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4
Q

Lineariteit checken:

A

f(x) + f(y) = f(x+y)
a. f(x) = f(a.x)
f(0) = 0

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5
Q

soorten matrixen

A

homogeen: nooit strijdig! (nullen rechts)

niet homogeen

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6
Q

echelonvorm:

A

nulrijen onderaan
1’en op diagonaal

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7
Q

vrijheidsgraden =

A

onbekenden - # rangen

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8
Q

rang =

A

niet nul rijen

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9
Q

wanneer matrix inverteren?

A

als det ≠ 0: unieke oplossing nodig!

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10
Q

soorten vectoren:

A

steunvector
richtingsvector
normaalvector

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11
Q

Vr = richtingsvector

A

(-b,a)

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12
Q

Vn = normaalvector

A

(a,b)

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13
Q

vectorvgl

A

v = v1 - a. (v2- v1)

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14
Q

prametervgl

A

x= x1 - a (x2 - x1)
y = y1 - a (y2 - y1)

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15
Q

cartesiaanse vgl

A

ax + by = c

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