Apa fungsi lantai ing matematika?
Fungsi lantai sing uga dikenal minangka fungsi integer paling gedhe ing matematika njupuk nomer nyata "x" minangka input. Iki ngasilake integer paling gedhe sing kurang saka utawa padha karo nomer input x. Biasane dicathet minangka lantai(x) utawa ⌊x⌋. Iki digunakake kanggo ngowahi nomer nyata sing duwe bagean pecahan dadi integer tanpa bagean pecahan. Supaya luwih ngerti, ayo dideleng kanthi cepet ing conto ing ngisor iki.
floor(5) = 5
floor (1.3) = 1
floor (7.9) = 7
Apa metode Math.floor () ing Jawa?
Jawa nyedhiyakake fungsi lantai matematika sing padha. Mangkene carane sampeyan bisa ngerti.Metode Header
public static double floor(double x)
Cara kasebut njupuk nilai dobel ( dobel x ) minangka parameter sing lantai kudu ditemtokake. Ora perlu ngimpor paket eksternal.
Jinis bali math.floor
Cara kasebut ngasilake nilai dobel ( lantai dobel ) sing kurang saka utawa padha karo parameter sing diwenehake.Tuladha
public class Driver1 {
public static void main(String[] args) {
double x = 50; // floor for whole number (Integer value)
double floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
x = 21.7; // floor for positive decimal
floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
x = -21.7; // floor for negative decimal
floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
x = 0; // floor for zero (Integer value)
floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
// Boundary Cases
x = +3.3/0; // Case I - floor for +Infinity
floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
x = -3.3/0; // Case II - floor for -infinity
floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
x = -0.0/0; // Case III - floor for NaN
floorValue = Math.floor(x);
System.out.println("floor⌊" + x + "⌋ = " + floorValue);
}
}
Output
lantai⌊50,0⌋ = 50,0 lantai⌊21,7⌋ = 21,0 lantai⌊-21,7⌋ = -22,0 lantai⌊0,0⌋ = 0,0 lantai⌊Tanpa wates⌋ = Tanpa wates lantai⌊-Tanpa wates⌋ = -NaN tanpa wates⌋ = -NaN tanpa wates
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