Calculate exponential of a value in Julia - exp(), exp10(), exp2(), expm1() and frexp() Methods - GeeksforGeeks

26 Mar, 2020
The exp() is an inbuilt function in julia which is used to calculate the natural base exponential of the specified number.
Syntax: exp(x)
Parameters:
x: Specified values.
Returns: It returns the calculated natural base exponential of the specified number.
Example:
# Julia program to illustrate # the use of exp() method  # Getting the natural base exponential# of the specified number.println(exp(0))println(exp(1))println(exp(5))println(exp(-1))
Output:
1.0
2.718281828459045
148.4131591025766
0.36787944117144233

The exp10() is an inbuilt function in julia which is used to calculate the base 10 exponential of the specified number.
Syntax: exp10(x)
Parameters:
x: Specified values.
Returns: It returns the calculated base 10 exponential of the specified number.
Example:
# Julia program to illustrate # the use of exp10() method  # Getting the base 10 exponential# of the specified number.println(exp10(0))println(exp10(1))println(exp10(10))println(exp10(-1))
Output:
1.0
10.0
1.0e10
0.1

The exp2() is an inbuilt function in julia which is used to calculate the base 2 exponential of the specified number.
Syntax: exp2(x)
Parameters:
x: Specified values.
Returns: It returns the calculated base 2 exponential of the specified number.
Example:
# Julia program to illustrate # the use of exp2() method  # Getting the base 2 exponential# of the specified number.println(exp2(0))println(exp2(1))println(exp2(2))println(exp2(-1))
Output:
1.0
2.0
4.0
0.5

The expm1() is an inbuilt function in julia which is used to accurately calculate .
Syntax: expm1(x)
Parameters:
x: Specified values.
Returns: It returns the calculated value of .
Example:
# Julia program to illustrate # the use of expm1() method  # Getting the accurate value# of given expressionprintln(expm1(0))println(expm1(1))println(expm1(2))println(expm1(-1))
Output:
0.0
1.718281828459045
6.38905609893065
-0.6321205588285577

The frexp() is an inbuilt function in julia which is used to return (x, exp), where x is given and having a magnitude in the interval [1/2, 1) or 0.
Syntax: frexp(x)
Parameters:
x: Specified values in the interval [1/2, 1) or 0.
Returns: It returns (x, exp), where x is given and having a magnitude in the interval [1/2, 1) or 0.
Example:
# Julia program to illustrate # the use of frexp() method  # Getting (x, exp), where# x is given and having a magnitude# in the interval [1 / 2, 1) or 0.println(frexp(0.6))println(frexp(0.5))println(frexp(0.7))println(frexp(0.9999))
Output:
(0.6, 0)
(0.5, 0)
(0.7, 0)
(0.9999, 0)

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