How to resolve the algorithm Exponentiation order step by step in the Go programming language
How to resolve the algorithm Exponentiation order step by step in the Go programming language
Table of Contents
Problem Statement
This task will demonstrate the order of exponentiation (xy) when there are multiple exponents. (Many programming languages, especially those with extended─precision integer arithmetic, usually support one of **, ^, ↑ or some such for exponentiation.)
Show the result of a language's evaluation of multiple exponentiation (either as an integer or floating point). If your language's exponentiation operator is not one of the usual ones, please comment on how to recognize it.
Using whatever operator or syntax your language supports (if any), show the results in three lines (with identification):
If there are other methods (or formats) of multiple exponentiations, show them as well.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Exponentiation order step by step in the Go programming language
The provided Go program demonstrates the use of the math
package to perform exponentiation operations. Here's a detailed explanation of the code:
-
package main
: This line specifies that the code is part of the main program. In Go, each source file represents a package, and themain
package contains the entry point of the program. -
import "fmt"
andimport "math"
: These lines import thefmt
andmath
packages, which are used for formatting output and performing mathematical operations, respectively. -
Variable Declarations:
var a, b, c float64
: Declares three floating-point variables nameda
,b
, andc
to store the results of the exponentiation operations.
-
Exponentiation Operations:
a = math.Pow(5, math.Pow(3, 2))
: Calculates5
raised to the power of3^2
, which is5^9
, and stores the result in the variablea
.b = math.Pow(math.Pow(5, 3), 2)
: Calculates(5^3)
raised to the power of2
, which is5^6
, and stores the result in the variableb
.c = math.Pow(5, math.Pow(3, 2))
: Calculates5
raised to the power of3^2
, which is the same as the operation performed to calculatea
.
-
Output:
fmt.Printf("5^3^2 = %.0f\n", a)
: Prints the value ofa
in a formatted string, specifying that it should be displayed as a whole number (.0f
) and labeled as "5^3^2".fmt.Printf("(5^3)^2 = %.0f\n", b)
: Similarly, prints the value ofb
with the label "(5^3)^2".fmt.Printf("5^(3^2) = %.0f\n", c)
: Prints the value ofc
with the label "5^(3^2)".
When you run this program, it will calculate and display the results of the three exponentiation operations:
5^3^2 = 1953125
(5^3)^2 = 15625
5^(3^2) = 1953125
As you can see, the results for a
and c
are identical because they both calculate the same expression: 5
raised to the power of 3^2
.
Source code in the go programming language
package main
import "fmt"
import "math"
func main() {
var a, b, c float64
a = math.Pow(5, math.Pow(3, 2))
b = math.Pow(math.Pow(5, 3), 2)
c = math.Pow(5, math.Pow(3, 2))
fmt.Printf("5^3^2 = %.0f\n", a)
fmt.Printf("(5^3)^2 = %.0f\n", b)
fmt.Printf("5^(3^2) = %.0f\n", c)
}
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