Slide 17
Slide 17 text
ޯͷزԿతੑ࣭
f(x, y)
(x0, y0)
f(x0, y0) = a
rf(x0, y0) f(x, y) = a
ͳΊΒ͔ͳ2มؔ ʹ͓͍ͯ ͱ͢Δɻ
(x0, y0)
ʹ͓͚Δޯ ɺۂઢ ͷ
f(x, y) = a
ʹ͓͚ΔઢͱਨͰ͋Γɺ͔ͭ f(x, y)͕େ͖͘
ͳΔํΛ͍͍ͯΔ
rf(x0, y0)
f(x, y) খ f(x, y) େ
͜ͷɹɹɹɹɹΛɹɹɹʹ͓͚Δ๏ઢϕΫτϧͱݺͿ
(x0, y0)
rf(x0, y0)