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Georgia [21]
3 years ago
8

If Laura wanted to solve a problem using recursion where the last statement executed is the call to the same method, what type o

f recursion should she use?
A. tail method

B. tail recursion

C. base recursion

D. infinite recursion
Computers and Technology
1 answer:
GREYUIT [131]3 years ago
3 0

Answer:

B: Tail recursion

Explanation:

The answer is tail recursion because in python, tail recursive function is defined as the function when the recursive call is the last thing that will be executed by the given function in question.

This definition tallies with the definition we have in the question.

So, option B is correct.

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Compare Fibonacci (recursion vs. bottom up)
ipn [44]

Answer:

C++ code explained below

Explanation:

#include<bits/stdc++.h>

#include <iostream>

using namespace std;

int FiboNR(int n)

{

int max=n+1;

int F[max];

F[0]=0;F[1]=1;

for(int i=2;i<=n;i++)

{

F[i]=F[i-1]+F[i-2];

}

return (F[n]);

}

int FiboR(int n)

{

if(n==0||n==1)

return n;

else

return (FiboR(n-1)+FiboR(n-2));

}

int main()

{

long long int i,f;

double t1,t2;

int n[]={1,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75};

cout<<"Fibonacci time analysis ( recursive vs. non-recursive "<<endl;

cout<<"Integer FiboR(seconds) FiboNR(seconds) Fibo-value"<<endl;

for(i=0;i<16;i++)

{

clock_t begin = clock();

f=FiboR(n[i]);

clock_t end = clock();

t1=double(end-begin); // elapsed time in milli secons

begin = clock();

f=FiboNR(n[i]);

end = clock();

t2=double(end-begin);

cout<<n[i]<<" "<<t1*1.0/CLOCKS_PER_SEC <<" "<<t2*1.0/CLOCKS_PER_SEC <<" "<<f<<endl; //elapsed time in seconds

}

return 0;

}

7 0
3 years ago
A student who used a regression model that included indicator variables was upset when receiving only the following output on th
jeka57 [31]

Answer:

This is a multicolinearity problem and the student should determine the variable(s) that cause(s) the problem and remove it.

Explanation:

This information means that there exists a linear combination between the independent variables. The problem might have developed due to multicolinearity producing almost perfectly linearly dependent columns.

This could also be as a results of single matrix created when the student use an incorrect indicator variables and included an additional indicator column which created linearly dependent columns.

4 0
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3. Which of the following is a single piece of information related to the person, place,
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denpristay [2]

Answer:

It is an example of a matrix structure

Explanation:

The matrix structure is a structure in which jurisdiction, controls and duties are carried and uphold by a group of employees instead of just the manager.

In other words, employees have dual reporting relationships; they can give reports to the functional manager and they can also give reports to the product manager.

The Bennetton design selected by the network of Bennetton retail sales agents made activities to be easily coordinated because, they have collectively performed the duty as a unit and this is one of the advantages of this form of the matrix organizational structure.

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