s_1

m

Postavte most tak, aby byl kolmý na tok řeky a zároveň cesta z A do B
byla co nejratší.

Pohybujte bodem M

Explain why...

OK!!!Klikni pro vysvětlení...

Pohybujte bodem C

Reset

1)\ C≡C'⇒m=0,\ s_2=s_3,\bold{\red{p=s_1+s_2}} \
2)\ C≢C'⇒m=d=d',\ s_2=s_3,\bold{\red{p=s_1+m+s_2}}

B'=\mathscr{T}_\overrightarrow{d}(B)

s_2

f(x) = 4.64
C' = Intersect(f, yAxis)
C = Point(yAxis)
g(y) = y(C)
a = IntegralBetween(f, g, -1000, 1000)
A = (1.8170247933884356, 5.19719008264463)
M = Point(f)
j = OrthogonalLine(M, xAxis)
M_2 = Intersect(g, j)
s_4 = Segment(A, M)
m_1 = Segment(M, M_2)
k = false
B = (7.502975206611592, 0.8666115702479334)
d = Vector(C, C')
B' = Translate(B, d)
s_3 = Segment(A, B')
D = Intersect(f, s_3)
D' = Translate(D, Vector[-d])
s_1 = Segment(A, D)
m = Segment(D, D')
s_2 = Segment(D', B)
d' = Vector(B, B')
b = Segment(M_2, B)
t: s_4 + m_1 + b
text3: "|AB|=s_1+m+s_2= " + (LaTeX[s_4]) + "+" + (LaTeX[m_1]) + "+" + (LaTeX[b]) + "  = " + (LaTeX[t]) + ""