Question

Please give the postfix form of the arithmetic expression (a*b + 2*c)/(2 - 3*d) + c

Answer #1

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#data structures
Give the infix form of the following postfix expression.
1 A B C + * D - E F + K - +
Give the postfix form of the following infix expression.
2 ( A + B ) * ( C - D + E )

Convert the given infix expression to a postfix expression: a +
b * c

(For Python)
Evaluating Postfix Arithmetic Expressions. In this project you
are to implement a Postfix Expression Evaluator as described in
section 7-3b of the book. The program should ask the user for a
string that contains a Postfix Expression. It should then use the
string's split function to create a list with each token in the
expression stored as items in the list. Now, using either the stack
classes from 7.2 or using the simulated stack functionality
available in a...

Convert the following infix expressions to postfix.
a * b + c – d
a + b / (c + d)

For the postfix expressions, 32 5 3 + / 5 *, trace the algorithm
for evaluating postfix expressions by showing the contents of the
stack immediately before each of the tokens marked with a caret is
read. Also, give the value of the postfix expression.

in Java
In this exercise, you'll write a Java version of the
infix-to-postfix conversion algorithm. These same mechanisms can be
used as a part of writing a simple compiler.
Write class InfixToPostfixConverter co convert
an ordinary infix arithmetic expression (assume a valid expression
is entered) with single-digit integers (to make
things easier) such as
(6 + 2) • 5 - 8 / 4
to a postfix expression. The postfix version (no parentheses are
needed) of this infix expression is
6...

Use C++
Your program should expect as input from (possibly re-directed)
stdin a series of space- separated strings. If you read a1 (no
space) this is the name of the variable a1 and not "a" followed by
"1". Similarly, if you read "bb 12", this is a variable "bb"
followed by the number "12" and not "b" ,"b", "12" or "bb", "1"
,"2". Your program should convert all Infix expressions to Postfix
expressions, including expressions that contain variable names. The...

Write the canonical SOP expression for the function
F(a, b, c, d)=∑m(2, 3, 9, 10, 11, 13) and
then simplify using algebraic manipulation.

A fully parenthesized arithmetic expression is defined
recursively as:
(a) A natural number expressed in decimal notation (e.g., 0, 4,
357, but not 007).
(b) (α+β) or (α∗β), whereαandβare fully parenthesized arithmetic
expressions.
Define a CFG that generates the following language over
{0,1,...,9,(,),∗,+,o,d,e,v,n}:
L={α odd:αis a fully parenthesized arithmetic expression with an
odd value}
∪ {α even:αis a fully parenthesized arithmetic expression with
an even value}
For example, “75 odd”, “((241∗2) + 40034) even” are strings in
the language (ignore...

Write a C++ function that takes in an arithmetic expression in
prefix notation and converts it into a binary tree, such that each
operation is stored in a node whose left subtree stores the left
operand, and whose right subtree stores the right operand.

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