Update src/main/java/com/thealgorithms/maths/ComplexNumberUtil.java

Co-authored-by: Piotr Idzik <[email protected]>

src/main/java/com/thealgorithms/maths/ComplexNumberUtil.java

@@ -114,7 +114,7 @@ public static ComplexNumber exp(ComplexNumber num) {
  * @throws RuntimeException if num is zero
  * @link <a href="https://en.wikipedia.org/wiki/Complex_logarithm#Calculating_the_principal_value">...</a>
  */
- public static ComplexNumber ln(ComplexNumber num) {
+ public static ComplexNumber log(ComplexNumber num) {
  if (num.equals(ZERO)) {
  throw new RuntimeException("Cannot take the logarithm of zero");
  }