lagranj interpolyatsion formulasini excel dasturi yordamida tuzish

1-mavzu. funktsiyalarni interpolyatsiyalash 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...

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