lagranj interpolyatsion formulasini excel dasturi yordamida tuzish

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laboratoriya ishi № 3 mavzu. lagranj interpolyasion koʻphadini qurish va xatoligini baholash dasturlarni tuzish va tahlil qilish lagranj interpolyatsion formulasini excel dasturi yordamida tuzish lagranj koefitsentlarini aniqlashda quyidagi jadvaldan foydalanamiz: xi x0 x1 x2 … xn x0 x-x0 x0-x1 x0-x2 x0-xn x1 x1-x0 x-x1 x1-x2 x1-xn x2 x2-x0 x2-x1 x-x2 x2-xn … xn xn-x0 xn-x1 xn-x2 x-xn lagranj interpolyatsion formulasining birinchi koeffitsentini topish uchun diagonal elementlar ko’paytmasini birinchi satr elementlar ko’paytmasiga bo’lamiz. ikkinchi koeffitsentni topish uchun diagonal elementlar ko’paytmasini ikkinchi satr elementlar ko’paytmasiga bo’lamiz va hokazo. topilgan koeffitsentlarni quyidagi. lagranj formulasiga qoyamiz bu hisoblashlarni excel dastutida bajarish tartibi quyidagicha: 1) x ning qiymatini kiritamiz: a2 ga x= yozuvini, b2 ga qiymatini masalan 3. 2) b2 katakchaning nomini x deb o’zgartiramiz 3) yuqoridagi jadvalni tayyorlaymiz: berilgan xi larni biror ustunga joylashtiramiz, ular qiymatini satrga olamiz, masalan b5-b10 ga yozib, c4-h4 katakchlarning har biriga teng belgisini qo’yib bu qiymatlar ustida sichqonchani so’ng …

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adagi sonni o’rniga yozish yetarli. image4.png image5.png image6.png image7.png image8.png image1.wmf oleobject1.bin image2.png image3.png ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) i n i i i i i i i n i i n i n y x x x x x x x x x x x x x x x x x x x x x l × - - - - - - - - - - = + - + - = å . . . . . . . . . . . . 1 1 1 0 1 1 1 0 0

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laboratoriya ishi № 3 mavzu. lagranj interpolyasion koʻphadini qurish va xatoligini baholash dasturlarni tuzish va tahlil qilish lagranj interpolyatsion formulasini excel dasturi yordamida tuzish lagranj koefitsentlarini aniqlashda quyidagi jadvaldan foydalanamiz: xi x0 x1 x2 … xn x0 x-x0 x0-x1 x0-x2 x0-xn x1 x1-x0 x-x1 x1-x2 x1-xn x2 x2-x0 x2-x1 x-x2 x2-xn … xn xn-x0 xn-x1 xn-x2 x-xn lagranj interpolyatsion formulasining birinchi koeffitsentini topish uchun diagonal elementlar ko’paytmasini birinchi satr elementlar ko’paytmasiga bo’lamiz. ikkinchi koeffitsentni topish uchun diagonal elementlar ko’paytmasini ikkinchi satr elementlar ko’paytmasiga bo’lamiz va hokazo. topilgan koeffitsentlarni quyidagi. lagranj formulasiga qoyamiz bu hisoblashlarni excel dastutida bajarish tartibi quyidagich...

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