Mavzu: Taqribiy integrallash usullari. Zaruriy aniqlikni ta’minlovchi qadamni tanlash

Mavzu: Taqribiy integrallash usullari. Zaruriy aniqlikni ta’minlovchi qadamni tanlash
Azadov Ruslanbek
912-21 guruh talabasi

object Chap {

fun f(x: Double): Double {
val d = Math.sqrt(0.5 * x + 2) /(Math.sqrt(1.5 * x * x + 2) +0.8)
return d
}

@JvmStatic

fun main(args: Array) {
val a = 0.4
val b = 1.2
val n = 1000
val h = (b - a) / n
var s = 0.0
var x = a + h / 2
while (x < b) {
s += f(x)
x += h
}
s *= h
println(s)
}
}

package com.company.Amaliy

import kotlin.math.pow
import kotlin.math.sqrt

fun k(x: Double): Double {

val d = Math.sqrt(0.5 * x + 2) /(Math.sqrt(1.5 * x * x + 2) +0.8)
return d
}

fun main() {

val a = 0.4
val b = 1.2
val n = 1000
val h = (b - a) / n
var x = a + h / 2
var s = k(x)
for (i in 1 until n) {
x += h
s += k(x)
}
s *= h
println(s)

}

import java.util.Scanner

fun F(x: Double): Double {

val f = Math.sqrt(0.5 * x + 2) /(Math.sqrt(1.5 * x * x + 2) +0.8)
return f
}

fun main(args: Array) {

val input = Scanner(System.`in`)
var a: Double = 0.4
var b: Double = 1.2
var n: Int = 1000

val h = (b - a) / n

var x = a
var s = F(x)
for (i in 1 until n) {
x += h
s += F(x)
}
s *= h
println("s = $s ")
}