$\Large %n$

$\Large %n$

$\Large %n$

演示

复位

A = (1.3953541279450807, 1.3392410360889053)
B = (-1.98, -1.44)
C = (4.2748323781233655, -1.6561893583918523)
t1, c, a, b = Polygon(A, B, C)
α, β, γ = Angle(t1)
k = 0 (slider from 0 to 2.3)
k1 = If(k ≤ 1, k, 1)
k2 = If(k ≥ 1.3, k - 1.3)
C' = Rotate(C, (k1 * β), B)
f = Segment(C', B)
g = Segment(C', A)
C'' = Rotate(C', If[a < c, (k2 * α), ((-(180° - α)) * k2)], A)
h = Segment(A, C'')

Tool: 坐标系
x最小、最大，y最小、最大，0.23
Input: m, n, q, p, a
Output: A, B, O, l1, l2, list3, list4, list5, list6, u, v

$\huge\textcolor{}{x}$

$\huge\textcolor{}{y}$

$\Large{O}$

u = Vector((m - 1, 0), (n + 1, 0))
l1 = Sequence(Segment[(k, 0), (k, a)], k, m, n)
A: (n + 1, 0)
list4 = Sequence(Text[k, Element[Sequence[(t - 0.15, 0), t, 1, n], k], true, true], k, 1, n)
list3 = Sequence(Text[k, Element[Sequence[(t - 0.5, 0), t, m, -1], k + abs(m) + 1], true, true], k, m, -1)
l2 = Sequence(Segment[(0, k), (a, k)], k, q, p)
list5 = Sequence(Text[k, Element[Sequence[(-0.9, t + 0.2), t, q, -1], k + abs(q) + 1], true, true], k, q, -1)
v = Vector((0, q - 1), (0, p + 1))
B: (0, p + 1)
list6 = Sequence(Text[k, Element[Sequence[(-0.6, t + 0.2), t, 1, p], k], true, true], k, 1, p)
O: B - (0, p + 1)