Geo Flashcards

1
Q

Cylindrique -> carthésien

A
x = rho x cos(theta)
y = rho x sin(theta)
z = z
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Carthésien -> Cylindrique

A
z = z
rho² = x² + y²
theta = arcos (x / rho)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sphérique -> Carthésien

A
x = rho x sin (phi) x cos (theta)
y = rho x sin (phi) x sin (theta)
z = rho x cos (phi)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Carthésien -> sphérique

A
rho² = x²+y²+z²
Phi = arcos (z/rho)   rho !=0 et rho € [x; pi]
Theta = rho x sin (phi)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Référentiel direct

A

Main droite

yzx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Référentiel indirect

A

Main gauche xyz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Systèmes de coordonnées 3D

A

Carthésien
Sphérique
Cylindrique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Définition Carthésien

A

(x,y,z)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Définition Sphérique

A

(rho, theta, phi)

phi = colatitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Définition Cylindrique

A

(rho, theta, z)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Définition d’une droite

A

(𝑑) = {M , AM⃗⃗⃗⃗⃗⃗⃗ = t u⃗ , t ⋲ ℝ }

AM⃗⃗⃗⃗⃗⃗⃗ = t u⃗ ⇔ OM⃗⃗⃗⃗⃗⃗⃗ = OA⃗⃗⃗⃗⃗⃗ + t u⃗ , t ⋲ ℝ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Définition segment

A

[AB] = {𝑀 , 𝐴𝑀⃗⃗⃗⃗⃗⃗⃗ = 𝑡 𝐴𝐵⃗⃗⃗⃗⃗ , 𝑡 ⋲ [0,1] }

𝑂𝑀⃗⃗⃗⃗⃗⃗⃗⃗ = 𝑂𝐴⃗⃗⃗⃗⃗⃗ + 𝑡𝐴𝐵⃗⃗⃗⃗⃗ , 𝑡 ⋲ [0,1]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly