6-19
ﻲﻤﺘﻳﺭﺎﻏﻮﻠﻟﺍ ﻊﺟﺍﺮﺘﻠﻟ ﻲﻧﺎﻴﺒﻟﺍ ﻢﺳﺮﻟﺍ k
،y = a + b × ln x ﻮﻫ ﻱﺭﺎﻴﻌﳌﺍ ﻲﻤﺘﻳﺭﺎﻏﻮﻠﻟﺍ ﻊﺟﺍﺮﺘﻟﺍ ﺔﻐﻴﺻ ﻭ .x ﻝ ﻢﺘﻳﺭﺎﻏﻮﻠﻟﺍ ﺔﻔﻴﻇﻮﻛ y ﻲﻤﺘﻳﺭﺎﻏﻮﻠﻟﺍ ﻊﺟﺍﺮﺘﻟﺍ ﺮ
ﹼ
ﺒﻌﻳ
.y
= a + bX ﻲﻄﳋﺍ ﻊﺟﺍﺮﺘﻟﺍ ﺔﻐﻴﺼﻟ ﺔﻐﻴﺼﻟﺍ ﻖﺑﺎﻄﺗ ،X = ln x ﻥﺍ ﺎﻨﻠﻗ ﺍﺫﺍ ﻚﻟﺬﻟ
1(CALC) 6( g) 2(Log)
6(DRAW)
ﻲﻤﺘﻳﺭﺎﻏﻮﻠﻟﺍ ﻊﺟﺍﺮﺘﻟﺍ ﻂﳕ ﺔﻐﻴﺻ ﻲﻫ ﻲﻠﻳ ﺎﻣ
y
= a + b ·ln x
ﻊﺟﺍﺮﺘﻠﻟ ﺮﻤﺘﺴﻣ ﺢﻠﻄﺼﻣ ............ a
ﻊﺟﺍﺮﺘﻟﺍ ﻞﻤﻌﻣ ............ b
ﻲﺳﻷﺍ ﻊﺟﺍﺮﺘﻠﻟ ﻲﻧﺎﻴﺒﻟﺍ ﻢﺳﺮﻟﺍ k
ﺎﻧﺬﺧﺃ ﺍﺫﺍ ﻚﻟﺬﻟ ،y = a × e
bx
ﻲﻫ ﻱﺭﺎﻴﻌﳌﺍ ﻲﺳﻷﺍ ﻊﺟﺍﺮﺘﻟﺍ ﺔﻐﻴﺻ .x ﻝ ﻲﺳﻷﺍ ﺔﻔﻴﻇﻮﻟﺍ ﺔﺒﺴﻨﻛ y ﻲﺳﻷﺍ ﻊﺟﺍﺮﺘﻟﺍ ﺮﺒﻌﻳ
ﻊﺟﺍﺮﺘﻟﺍ ﺔﻐﻴﺼﻟ ﺔﻐﻴﺼﻟﺍ ﻖﺑﺎﻄﺗ ،
A = ln a ﻭ ،Y = ln y ﺎﻨﻠﻗ ﺍﺫﺍ ﻭ .y = ln a + bx ﻰﻠﻋ ﻞﺼﺤﻧ ﺎﻌﻣ ﲔﻓﺮﻄﻟ ﻢﺘﻳﺭﺎﻏﻮﻟ
.
Y = A + bx ﻲﻄﳋﺍ
1(CALC) 6( g) 3(EXP)
1( ae
bx
) ﻭﺃ 2( ab
x
)
6(DRAW)
.ﻲﺳﻷﺍ ﻊﺟﺍﺮﺘﻟﺍ ﻂﳕ ﺔﻐﻴﺻ ﻲﻫ ﻲﻠﻳ ﺎﻣ ﻭ
y = a · e
bx
ﻊﺟﺍﺮﺘﻟﺍ ﻞﻣﺎﻌﻣ ............ a
ﻊﺟﺍﺮﺘﻠﻟ ﺮﻤﺘﺴﻣ ﺢﻠﻄﺼﻣ ............ b
y = a · b
x
ﻊﺟﺍﺮﺘﻠﻟ ﺮﻤﺘﺴﻣ ﺢﻠﻄﺼﻣ ............ a
ﻊﺟﺍﺮﺘﻟﺍ ﻞﻣﺎﻌﻣ ............ b
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