העתק וקטור MN

הצג היטל

v

\vec{u}\cdot \vec{v}=|\vec{u}|\cdot |\vec{v}|\cdot cos(\alpha )

הצגה אלגברית

אתחול

N = (7, -1)
M = (3, -2)
b = Vector(M, N)
A = (2, 1)
B = (5, 3)
u = Vector(A, B)
C: A + b
v = Vector(A, b + A)
c = false
d = false
E = Midpoint(M, N)
f = OrthogonalLine(B, v)
g = Line(A, C)
F = Intersect(f, g)
h = Segment(B, F)
i = Segment(A, F)
α = Angle(C, A, B)
vlength = Length(v)
ulength = Length(u)
a: u * v
text4: "=  " + ulength + "\cdot " + vlength + "\cdot cos(  " + α + " )  =" + a
text3: "\vec{" + u + "}\cdot \vec{" + v + "}=" + "|\vec{" + u + "}|\cdot |\vec{" + v + "}|\cdot cos(\   " + α + ") =" + a
e = false
D = (12.311164056299251, 7.019447753518703)
G = (12.311164056299251, 4.019447753518703)
H = (0.6945889807799852, 4.035165596943452)
I = (0.7140367342986882, 7.010671885305031)
poly1, d_1, g_1, h_1, i_1 = Polygon(D, G, H, I)