Native Hardware FPS: Calculating...
60 Hz Flicker

Derivation of ∂h/∂v

∂h/∂v = (∂h/∂x × ∂x/∂v) + (∂h/∂y × ∂y/∂v)

∂h/∂x = 6x - 2y
∂h/∂y = -2x + 2y
∂x/∂v = 2
∂y/∂v = -1

∂h/∂v = (6x - 2y)(2) + (-2x + 2y)(-1)
= 12x - 4y + 2x - 2y
= 14x - 6y

= 14(3u + 2v) - 6(4u - v)
= 42u + 28v - 24u + 6v
= 18u + 34v
120 Hz Flicker

Derivation of ∂h/∂v

∂h/∂v = (∂h/∂x × ∂x/∂v) + (∂h/∂y × ∂y/∂v)

∂h/∂x = 6x - 2y
∂h/∂y = -2x + 2y
∂x/∂v = 2
∂y/∂v = -1

∂h/∂v = (6x - 2y)(2) + (-2x + 2y)(-1)
= 12x - 4y + 2x - 2y
= 14x - 6y

= 14(3u + 2v) - 6(4u - v)
= 42u + 28v - 24u + 6v
= 18u + 34v
140 Hz Flicker

Derivation of ∂h/∂v

∂h/∂v = (∂h/∂x × ∂x/∂v) + (∂h/∂y × ∂y/∂v)

∂h/∂x = 6x - 2y
∂h/∂y = -2x + 2y
∂x/∂v = 2
∂y/∂v = -1

∂h/∂v = (6x - 2y)(2) + (-2x + 2y)(-1)
= 12x - 4y + 2x - 2y
= 14x - 6y

= 14(3u + 2v) - 6(4u - v)
= 42u + 28v - 24u + 6v
= 18u + 34v