Postfix notation is a mathematical notation in which operators follow their operands. In other words, pfexp1 pfexp2 op, where pfexp1 and pfexp2 are both postfix expressions. Some examples: • 2 2 + is the postfix notation of the expression 2 + 2. • 2 3 * 1 - 5 / is the postfix notation of the expression ((2 * 3) - 1) / 5. Here you have to compute the result from a postfix expression. Examples postfix ("2 2 +") 4 // 2 + 2 = 4 postfix("2 3 * 1 - 5 /") → 1 // ((2 * 3) - 1) / 5 = (6 - 1) / 5 = 5 / 5 = 1
Postfix notation is a mathematical notation in which operators follow their operands. In other words, pfexp1 pfexp2 op, where pfexp1 and pfexp2 are both postfix expressions. Some examples: • 2 2 + is the postfix notation of the expression 2 + 2. • 2 3 * 1 - 5 / is the postfix notation of the expression ((2 * 3) - 1) / 5. Here you have to compute the result from a postfix expression. Examples postfix ("2 2 +") 4 // 2 + 2 = 4 postfix("2 3 * 1 - 5 /") → 1 // ((2 * 3) - 1) / 5 = (6 - 1) / 5 = 5 / 5 = 1
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![Postfix notation is a mathematical notation in which operators follow their operands. In
other words, pfexp1 pfexp2 op, where pfexp1 and pfexp2 are both postfix expressions.
Some examples:
+ is the postfix notation of the expression 2 + 2.
2 3 * 1 - 5 / is the postfix notation of the expression ((2 * 3) - 1) / 5.
Here you have to compute the result from a postfix expression.
Examples
postfix ("2 2 +") -4
// 2 + 2 = 4
postfix ("2 3 * 1
5 /") → 1
// ((2 * 3) - 1) / 5 = (6 - 1) / 5 = 5 / 5 = 1
-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0241d813-d253-4887-a949-2d7b88b0a188%2F073536ed-7ffb-4a3f-afd1-440f5ae84708%2Fu2l78qm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Postfix notation is a mathematical notation in which operators follow their operands. In
other words, pfexp1 pfexp2 op, where pfexp1 and pfexp2 are both postfix expressions.
Some examples:
+ is the postfix notation of the expression 2 + 2.
2 3 * 1 - 5 / is the postfix notation of the expression ((2 * 3) - 1) / 5.
Here you have to compute the result from a postfix expression.
Examples
postfix ("2 2 +") -4
// 2 + 2 = 4
postfix ("2 3 * 1
5 /") → 1
// ((2 * 3) - 1) / 5 = (6 - 1) / 5 = 5 / 5 = 1
-
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