javascript square root
var x = Math.sqrt(num);java bigdecimal third root
public static long ITER = 1000;
public static BigDecimal cuberoot(BigDecimal b) {
// Specify a math context with 40 digits of precision.
MathContext mc = new MathContext(40);
BigDecimal x = new BigDecimal("1", mc);
// Search for the cube root via the Newton-Raphson loop. Output each // successive iteration's value.
for (int i = 0; i < ITER; i++) {
x = x.subtract(
x.pow(3, mc)
.subtract(b, mc)
.divide(new BigDecimal("3", mc).multiply(
x.pow(2, mc), mc), mc), mc);
}
return x;
}Copyright © 2021 Codeinu
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