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MTH603 Numerical Analysis Quiz No 1 Solution and Discussion Spring 2014 Due Date: May 19, 2014

MTH603 Numerical Analysis  Quiz No 1 Solution and Discussion Spring 2014 Due Date: May 19, 2014

Quiz No.01 will open on May 15, 2014 and the last date of taking quiz is May 19, 2014

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Replies to This Discussion

mine quiz was also from this file....almost 7,,,,

Meeral (Mcs ii)  thanks for info 

sumaira

my solved quiz of mth603

Attachments:

sumaira shabbir thanks for sharing ..keep it up 

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MTH603 quiz_01-Spring_2014

Covering Lectures 09-14

Remember me in your prayers, and if i select any wrong option please guide me.

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fivestar1122 gud keep it up & thanks for sharing 

Note for All Members: You don’t need to go any other site for this assignment/GDB/Online Quiz solution, Because All discussed data of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

Solution of Latest Quizz..

By  sumaira shabbir file

1_If the pivot element happens to be zero, then the i-th column elements are searched for the numerically _______ element.

  • Smallest
  • largest

2_Under iterative methods, the initial approximate solution is assumed to be _______

  • known
  • unknown
  • found
  • none of the given choices

3_The Gaussian elimination method fails if any one of the pivot elements becomes _____

  • one
  • zero

4_ While solving a system of linear equations by Gauss Jordon Method, in which of the following case the partial pivoting is essential?

  • When the upper triangular entries are zero
  • When lower triangular entries are zero
  • When diagonal entries are zero
  • When pivots are zero

5_ when solving a system of linear equations by Gauss Jordon Method, after all the elementary row operations if there lefts also zeroes on the main diagonal then which of the is true about the system?

  • System may have unique solutions
  • System has no solution
  • System may have multiple numbers of finite solutions
  • System may have infinite many solutions

6_ while solving the system of linear equations; x-y=2, -x+y=3 by Jacobi’s method, if(0,0) be its first approximate solution,then which of the following is second approximate solution?

  • (2,3)
  • (2,0)
  • (0,3)
  • Second approximate solution doesn’t exist as system is singular 

7_which is the meaning of partial pivoting while employing the row tranformations?

  • Making the largest element as pivot
  • Making the smallest element as pivot
  • Making any element as pivot
  • Making zero element as pivot

8_An augmented matrix may also be used to find the inverse of a matrix by combining it with the _______ matrix.

Select correct option:

  • Inverse
  • Square
  • Identity
  • None of the given choices

9_Guass – Jorden Method is similar to ________

  • Gauss-Seidel method
  • Iteration’s method
  • Relaxation method
  • Gaussian elimination method

10_Sparse matrix is a matrix with _______

  • Some elements are zero
  • Many elements are zero
  • Some elements are one
  • Many elements are one

By  M.Tariq Malik file

1_Sparse matrix is a matrix with _______

  • Some elements are zero
  • Many elements are zero
  • Some elements are one
  • Many elements are one

2_The linear equation 0x+0y=2 has __________ solution/solutions.

  • Unique
  • No solution
  • Infinite many
  • Finite many

 

3_Gauss elimination and Gauss-Jordon methods are popular among many methods for finding the ________ of a matrix.

  • Identity
  • Transpose
  • Inverse
  • None of the given choices

 

4_while using Relaxation method which of the following is the increment “dx” corresponding to the largest Residual for 1st iteration on the system; 2x+3y=1,3x+2x = - 4?

  • 2
  • -2
  • 3
  • 4

 

5_ while using Relaxation method which of the following is the largest Residual for 1st iteration on the system; 2x+3y=1,3x+2x = - 4?

 

  • -4
  • 3
  • 2
  • 1

6_ while using Relaxation method which of the following is the Residual for 1st iteration on the system; 2x+3y=1,3x+2x =  4?

 

  • (2,3)
  • (3, -2)
  • (-2,3)
  • (1,4)

7_which of the following re arrangement make strictly diagonal dominant the syatem of linear equation; x-3y+2=-2, -6x+4y+11z = 1, 5x -2y-2z = 9?

  • 5x–2y–2z=9, x–3y+z= –2, –6x+4y+11z=1
  • –6x+4y+11z=1, x–3y+z= –2, 5x–2y–2z=9
  • 5x–2y–2z=9, –6x+4y+11z=1, x–3y+z= –2
  • No need to rearrange as system is already in diagonal dominant form

8_ Back substitution procedure is used in _________.

  • Gauss elimination method
  • Jacobi Method
  • Gauss Seidel
  • None of the given choices

By fivestar1122 file

1_ Back substitution procedure is used in _________.

  • Gauss elimination method
  • Jacobi Method
  • Gauss Seidel
  • None of the given choices

 

2_If the pivot element happens to be zero, then the i-th column elements are searched for the numerically _______ element.

  • Smallest
  • largest

3_ While using Relaxation method which of the following is the largest Residual for 1st iteration on the system; 2x+3y=1,3x+2x = - 4?

  • -4
  • 3
  • 2
  • 1

 

4_The linear equation 0x+0y=2 has __________ solution/solutions.

  • Unique 
  • No solution
  • Infinite many
  • Finite many

 

5_ For two matrices A and B, such that “A=Inverse of B”, then which of the following is true?

  • B=Inverse of A  (not conform)
    • A and B are nonsingular  
    • AB=Identity Matrix
    • All choices are true

 

6_ if the product of two matrices is identity matrices that is AB=I, then which of the following is true?

  • A is transpose of B
  • A is inverse of B
  • A is singular
  • B is singular

 

7_The linear equation 0x+0y=2 has __________ solution/solutions.

  • Unique  (not conform)
  • No solution
  • Infinite many
  • Finite many

 

8_ In Jacobi’s Method, we assume that the ______ element does not vanish.

  • Diagonal
  • Off diagonal
  • Ø Row
  • Ø Column

9_ Which of the following is equivalent In Jacobi’s Method, we assume that the ______ element does not vanish.

  • XA = B
  • X = B(Inverse of A)
  • X = (Inverse of A) B
  • Ø BX= A

10_ Gauss-Seidel Method is also known as method of  -------------

  • Successive displacement
  • Iterations
  • False position
  • None of the given choices

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