函數圖形的交點
Author: 藍邦偉  老師

函數圖形的交點

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y=log_2x

y=-logx

|y|=|log_2x|

y=\left\vert  log_2|x|\right\vert 

$ |y|=log_2|x| $

y=2^{-|x|}

y=x²

y=\frac{x}{2}

y=x-1

f(x) = -lg(x)
g(x) = ld(x)
p(x) = abs(ld(abs(x)))
q(x) = 2^(-abs(x))
r(x) = ld(x)
s(x) = -ld(x)
q_1(x) = ld(abs(x - 0.02319950789300851))
q_2(x) = -q_1(x)
A = Corner(1)
B = Corner(3)
A_1: (x(A), 0)
A_2: (x(B), 0)
A_3: (0, y(A))
A_4: (0, y(B))
u = Vector(A_1, A_2)
v = Vector(A_3, A_4)
h = false
b = false
m = false
k = false
n = false
l = false
a = false
j = false
e = false
Q_2: 0.2 * Corner[2] + 0.8 * Corner[1]
Q_3: (x(Q_2), y(Corner[4]))
poly1, t, q_3, q_4, a_1 = Polygon(Corner[1], Q_2, Q_3, Corner[4])
b_1 = Segment(Q_2, Q_3)

Tool: 2D-AXIS (command 工具1)
2D-Axis
Input: A, B, C, D, E, F
Output: u, v

x

y

C: (x(A), 0)
D: (x(B), 0)
u = Vector(C, D)
E: (0, y(A))
v = Vector(E, F)