Færdighed Flashcards
1
Q
Lineær regression, Formel for at finde b
A
b=y1-ax1
2
Q
Eksponentiel regression, Formel for at finde a
A
x2-x1 kvadratrod af y2/y1
3
Q
Eksponentiel regression, Formel for at finde b
A
b=y1/ax1
4
Q
Potensformel regression, Formel for at finde a
A
a=(Log(y2/y1))/(log(x2/x1))
5
Q
Potensfunktion regression, Formel for at finde b
A
b=y1/ax1
6
Q
Toppunktsformel
A
-b/2a,-d/4a
7
Q
Differentier
x
A
1
8
Q
Differentier
ax+b
A
a
9
Q
Differentier
K
A
0
10
Q
Differentier
x^2
A
2x
11
Q
Differentier
x^3
A
3x^2
12
Q
Differentier
x^6
A
6x^5
13
Q
Differentier
1/x
A
-1/x^2
14
Q
Differentier kvadratroden af x
A
1/2*kvadratroden af x
15
Q
Lineær regression, Formel for at finde a
A
(y2-y1)/(x2-X1)