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Mth603 – Numerical Analysis Midterm Solved Mcqs & Quizzes 


Midterm File 



Mth603 First Quizzes QUIZ.NO.1(1) Question # 1 of 10 (Total Marks: 1) While solving a system of linear equations, which of the following approach is economical for the computer memory? Select correct option: Direct Iterative (Page 69) Analytical Graphical Question # 2 of 10 (Total Marks: 1) The basic idea of relaxation method is to reduce the largest residual to …………. Select correct option: One Two Zero (Page 83) None of the given choices Question # 3 of 10 (Total Marks: 1) The Jacobi’s method is a method of solving a matrix equation on a matrix that has no zeros along its ________. Select correct option: main diagonal (Page 104) last column last row first row Question # 4 of 10 (Total Marks: 1) If A is a nxn triangular matrix (upper triangular, lower triangular) or diagonal matrix , the eigenvalues of A are the diagonal entries of A. Select correct option: TRUE FALSE


Question # 5 of 10 (Total Marks: 1) A 3 x 3 identity matrix have three and different eigen values. Select correct option: TRUE Click here for detail FALSE Question # 6 of 10 (Total Marks: 1) Which of the following is a reason due to which the LU decomposition of the system of linear equations; x+y = 1, x+y =2 is not possible? Select correct option: Associated coefficient matrix is singular All values of l’s and u’s can’t be evaluated Determinant of coefficient matrix is zero All are equivalent Question # 7 of 10 (Total Marks: 1) Gauss  Jordan Method is similar to ………. Select correct option: Gauss–Seidel method Iteration’s method Relaxation Method Gaussian elimination method (Page 95) Question # 8 of 10 (Total Marks: 1) While using Relaxation method, which of the following is the largest Residual for 1st iteration on the system; 2x+3y = 1, 3x +2y =  4 ? Select correct option: 4 3 2 1 Question # 9 of 10 (Total Marks: 1) Gauss–Seidel method is also known as method of ……………. Select correct option: Successive displacement (Page 263) Iterations False position None of the given choices Question # 10 of 10 (Total Marks: 1) Jacobi’s Method is a/an……………… Select correct option: Iterative method (Page 69) Direct method 
QUIZ.NO.1(2) Question # 1 of 10 (Total Marks: 1) The characteristics polynomial of a 3x 3 identity matrix is __________, if x is the eigen values of the given 3 x 3 identity matrix. where symbol ^ shows power. Select correct option: (x1)^3 (x+1)^3 x^31 x^3+1 Question # 2 of 10 (Total Marks: 1) The can be used only to find the eigenvalue of A that is largest in absolute value—we call this eigenvalue the dominant eigenvalue of A. Select correct option: TRUE FALSE Question # 3 of 10 (Total Marks: 1) In …………… method, a system is reduced to an equivalent diagonal form using elementary transformations. Select correct option: Jacobi’s GaussSeidel Relaxation Gaussian elimination (Page 262) Question # 4 of 10 (Total Marks: 1) The linear equation: 2x+0y2=0 has  solution/solutions. Select correct option: Unique (Page 48) no solution infinite many finite many Question # 5 of 10 (Total Marks: 1) Under elimination methods, we consider, Gaussian elimination and ……………methods. Select correct option: GaussSeidel Jacobi GaussJordan elimination (Page 48) None of the given choices Question # 6 of 10 (Total Marks: 1) Which of the following method is not an iterative method? 
Select correct option: Jacobi’s method GaussSeidel method Relaxation methods GaussJordan elimination method Question # 7 of 10 (Total Marks: 1) An eigenvector V is said to be normalized if the coordinate of largest magnitude is equal to zero. Select correct option: TRUE FALSE (Page 97) Question # 8 of 10 (Total Marks: 1) Exact solution of 2/3 is not exists. Select correct option: TRUE FALSE Question # 9 of 10 (Total Marks: 1) When the condition of diagonal dominance becomes true in Jacobi’s Method.Then its means that the method is ……………. Select correct option: Stable Unstable Convergent (Page 70) Divergent Question # 10 of 10 (Total Marks: 1) Gauss–Seidel method is similar to ………. Select correct option: Iteration’s method RegulaFalsi method Jacobi’s method None of the given choices (Page 263) QUIZ.NO.1(3) Question # 1 of 10 (Total Marks: 1) Sparse matrices arise in computing the numerical solution of ……………. Select correct option: Ordinary differential equations Partial differential equations (Page 69) Linear differential equations Nonlinear differential equations 
Question # 2 of 10 (Total Marks: 1) While solving by GaussSeidel method, which of the following is the first Iterative solution for the system; x2y =1, x+4y=4 ? Select correct option: (1, 0.75) (0,0) (1,0) (0,1) Question # 3 of 10 (Total Marks: 1) While solving a system of linear equations by Gauss Jordon Method, after all the elementary row operations if there lefts also zeros on the main diagonal then which of the is true about the system? Select correct option: System may have unique solutions System has no solution System may have multiple numbers of finite solutions System may have infinite many solutions Question # 4 of 10 (Total Marks: 1) Numerical methods for finding the solution of the system of equations are classified as direct and ………… methods Select correct option: Indirect Iterative (Page 48) Jacobi None of the given choices Question # 5 of 10 (Total Marks: 1) If the Relaxation method is applied on the system; 2x+3y = 1, 3x +2y =  4, then largest residual in 1st iteration will reduce to . Select correct option: zero 4 1 1 Question # 6 of 10 (Total Marks: 1) While using Relaxation method, which of the following is the Residuals for 1st iteration on the system; 2x+3y = 1, 3x +2y =4 ? Select correct option: (2,3) (3,2) (2,3) (1,4) 
# 7 of 10 (Total Marks: 1) If the order of coefficient matrix corresponding to system of linear equations is 3*3 then which of the following will be the orders of its decomposed matrices; ‘L’ and ‘U’? Select correct option: Order of ‘L’ = 3*1, Order of ‘U’ = 1*3 Order of ‘L’ = 3*2, Order of ‘U’ = 2*3 Order of ‘L’ = 3*3, Order of ‘U’ = 3*3 Order of ‘L’ = 3*4, Order of ‘U’ = 4*3 Question # 8 of 10 (Total Marks: 1) While solving the system; x–2y = 1, x+4y = 4 by GaussSeidel method, which of the following ordering is feasible to have good approximate solution? Select correct option: x+4y = 1, x2y = 4 x+2y = 1, x 4y =4 x+4y = 4, x–2y = 1 no need to reordering Question # 9 of 10 (Total Marks: 1) Full pivoting, in fact, is more ……………than the partial pivoting. Select correct option: Easiest Complicated (Page 51) Question # 10 of 10 (Total Marks: 1) For the equation , the root of the equation lies in the interval...... 3 310 x x ► (1, 3) ► (1, 2) ► (0, 1) ► (1, 2) QUIZ.NO.1(4) Question # 1 of 10 (Total Marks: 1) ............lies in the category of iterative method. ► Bisection Method ► Regula Falsi Method ► Secant Method ► all of the given choices (Page 8) 
Question # 2 of 10 (Total Marks: 1) If n x n matrices A and B are similar, then they have the different eigenvalues (with the same multiplicities). 1. True False Question # 3 of 10 (Total Marks: 1) The Jacobi’s method is a method of solving a matrix equation on a matrix that has ____zeros along its main diagonal. No Click here for detail 1. At least one Question # 4 of 10 (Total Marks: 1) If the root of the given equation lies between a and b, then the first approximation to the root of the equation by bisection method is …… ► Page 9 ( ) 2 a b ► ( ) 2 a b ► ( ) 2 b a ► None of the given choices Question # 5 of 10 (Total Marks: 1) To apply Simpson’s 3/8 rule, the number of intervals in the following must be ► 10 ► 11 ► 12 ► 13 Question # 6 of 10 (Total Marks: 1) The GaussSeidel method is applicable to strictly diagonally dominant or symmetric________ definite matrices A. Select correct option: Positive Click here for detail negative Question # 7 of 10 (Total Marks: 1) Differences methods find the ________ solution of the system. Select correct option: numerical Analytical 
Question # 8 of 10 (Total Marks: 1) To apply Simpson’s 1/3 rule, the number of intervals in the following must be ► 2 (Simpson''s 1/3 rule must use an even number of elements') ► 3 ► 5 ► 7 Question # 9 of 10 (Total Marks: 1) Bisection and false position methods are also known as bracketing method and are always Divergent Convergent (Page 26) .67 Question # 10 of 10 (Total Marks: 1) The Inverse of a matrix can only be found if the matrix is Singular None Singular: Every square nonsingular matrix will have an inverse. Scalar Diagonal QUIZ.NO.1(5) Question # 1 of 10 (Total Marks: 1) In interpolation is used to represent the δ Forward difference Δ Central difference (Page 117) Backward difference Question # 2 of 10 (Total Marks: 1) The base of the decimal system is _______ 10 0 2 8 None of the above. Question # 3 of 10 (Total Marks: 1) Bisection method is ……………….. method ► Open Method ► Bracketing Method (page 26) Question # 4 of 10 (Total Marks: 1) A 3 x 3 identity matrix have three and __________eigen values. same 
different Question # 5 of 10 (Total Marks: 1) Eigenvalues of a symmetric matrix are all _______ . Real (page 104) complex zero positive Question # 6 of 10 (Total Marks: 1) The Jacobi iteration converges, if A is strictly diagonally dominant. TRUE (Page 69) FALSE Question # 7 of 10 (Total Marks: 1) Below are all the finite difference methods EXCEPT _________. jacobi’s method newton's backward difference method Stirlling formula Forward difference method Question # 8 of 10 (Total Marks: 1) Two matrices with the same characteristic polynomial need not be similar. TRUE FALSE Page Question # 9 of 10 (Total Marks: 1) No.69 The determinant of a diagonal matrix is the product of the diagonal elements. True False Question # 10 of 10 (Total Marks: 1) The GaussSeidel method is applicable to strictly diagonally dominant or symmetric positive definite matrices A. True False QUIZ.NO.1(6) Question # 1 of 10 (Total Marks: 1) The determinant of a _______ matrix is the product of the diagonal elements. Page No.70 Diagonal 1. Upper triangular 2. Lower triangular 3. Scalar Question # 2 of 10 (Total Marks: 1) 
For differences methods we require the set of values. True False Question # 3 of 10 (Total Marks: 1) If x is an eigen value corresponding to eigen value of V of a matrix A. If a is any constant, then x – a is an eigen value corresponding to eigen vector V is an of the matrix A  a I. True False Question # 4 of 10 (Total Marks: 1) Central difference method seems to be giving a better approximation, however it requires more computations. Page No.71 True False Question # 5 of 10 (Total Marks: 1) Iterative algorithms can be more rapid than direct methods. True False Question # 6 of 10 (Total Marks: 1) Central Difference method is the finite difference method. True False Question # 1 of 10 (Total Marks: 1) Back substitution procedure is used in ……………. Select correct option: Gaussian Elimination Method Jacobi’s method GaussSeidel method None of the given choices Question # 7 of 10 (Total Marks: 1) The Jacobi’s method is a method of solving a matrix equation on a matrix that has no zeros along its main diagonal. True False Question # 8 of 10 (Total Marks: 1) Power method is applicable if the eigen vectors corresponding to eigen values are linearly independent. True (Page 102 
False
Question # 9 of 10 (Total Marks: 1) Power method is applicable if the eigen values are ______________. real and distinct (Page 102) real and equal positive and distinct negative and distinct Question # 10 of 10 (Total Marks: 1) Simpson’s rule is a numerical method that approximates the value of a definite integral by using polynomials. Quadratic (Page 174) Linear Cubic Quartic QUIZ.NO.1(7) Question # 1 of 10 (Total Marks: 1) .In Simpson’s Rule, we use parabolas to approximating each part of the curve. This proves to be very efficient as compared to Trapezoidal rule. True Click here for detail False Question # 2 of 10 (Total Marks: 1) The predictorcorrector method an implicit method. (multistep methods) True (Page 212) False Question # 3 of 10 (Total Marks: 1) Generally, Adams methods are superior if output at many points is needed. True False Question # 4 of 10 (Total Marks: 1) The Trapezoidal rule is a numerical method that approximates the value of a.______________. Indefinite integral Definite integral (Page 176) Improper integral Function Question # 5 of 10 (Total Marks: 1) The need of numerical integration arises for evaluating the definite integral of a function that has no explicit ____________ or whose anti derivative is not easy to obtain. Anti deri vat ive Derivatives. 
Question # 6 of 10 (Total Marks: 1) An indefinite integral may _________ in the sense that the limit defining it may not exist. diverge Converge Question # 7 of 10 (Total Marks: 1) An improper integral is the limit of a definite integral as an endpoint of the interval of integration approaches either a specified real number or ∞ or ∞ or, in some cases, as both endpoints approach limits. TRUE Click here for detail FALSE Question # 8 of 10 (Total Marks: 1) Euler's Method numerically computes the approximate derivative of a function. TRUE FALSE Question # 9 of 10 (Total Marks: 1) Euler's Method numerically computes the approximate ________ of a function. Antiderivative Derivative Error Value Question # 10 of 10 (Total Marks: 1) If we wanted to find the value of a definite integral with an infinite limit, we can instead replace the infinite limit with a variable, and then take the limit as this variable goes to _________. Chose the correct option : Constant Finite Infinity Click here for detail Zero QUIZ.NO.1(8) Question # 1 of 10 (Total Marks: 1) The Jacobi iteration ______, if A is strictly diagonally dominant. converges Diverges Question # 2 of 10 (Total Marks: 1) By using determinants, we can easily check that the solution of the given system of linear equation exits and it is unique. TRUE FALSE Question # 3 of 10 (Total Marks: 1) The absolute value of a determinant (detA) is the product of the absolute values of the eigenvalues 
matrix A TRUE FALSE Question # 4 of 10 (Total Marks: 1) Eigenvectors of a symmetric matrix are orthogonal, but only for distinct eigenvalues. TRUE FALSE Question # 5 of 10 (Total Marks: 1) Let A be an n ×n matrix. The number x is an eigenvalue of A if there exists a nonzero vector v such that _______. Av = xv Ax = xv Av + xv=0 Av = Ax1 Av = λv Question # 6 of 10 (Total Marks: 1) In Jacobi’s Method, the rate of convergence is quite ______ compared with other methods. Slow Click here for detail Fast Question # 7 of 10 (Total Marks: 1) Numerical solution of 2/3 up to four decimal places is ________. 0.667 0.6666 0.6667 0.666671. Question # 8 of 10 (Total Marks: 1) Symbol used for forward differences is Δ (Page 12) δ μ Question # 9 of 10 (Total Marks: 1) The relationship between central difference operator and the shift operator is given by δ =Ε−Ε1 δ = Ε+Ε1 δ = Ε1/2+Ε1/2 δ = E1/2 −Ε1/2 (Page 152) 1 1 2 2 EE Question # 10 of 10 (Total Marks: 1) 
Muller’s method requires starting points 1 2 3 (Page 41) QUIZ.NO.1(9) Question # 1 of 10 (Total Marks: 1) By using determinants, we can easily check that the solution of the given system of linear equation ______ and it is ______. Select correct option: exits, unique exists, consistent trivial, unique nontrivial, inconsistent Question # 2 of 10 (Total Marks: 1) Two matrices with the _______ characteristic polynomial need not be similar. Select correct option: same different Question # 3 of 10 (Total Marks: 1) In ……………… method, the elements above and below the diagonal are simultaneously made zero. Select correct option: Jacobi’s GaussSeidel Gauss–Jordon Elimination (Page 59) Relaxation Question # 4 of 10 (Total Marks: 1) Which of the following is equivalent form of the system of equations in matrix form; AX=B ? Select correct option: XA = B X = B(Inverse of A) X =(Inverse of A)B BX = A Question # 5 of 10 (Total Marks: 1) If the determinant of a matrix A is not equal to zero then the system of equations will have………. Select correct option: a unique solution many solutions infinite many solutions 
None of the given choices Question # 6 of 10 (Total Marks: 1) Sparse matrix is a matrix with ………. Select correct option: Some elements are zero Many elements are zero (page 69) Some elements are one Many elements are one MTH603 – 2ND QUIZ FILE (24112011) EDIT BY MUHAMMAD AWAIS AND MUHAMMAD MOAAZ SIDDIQ QUIZ.NO.2(1) Question # 1 of 10 ( Start time: 11:18:07 PM ) Total Marks: 1 How many Eigen vectors will exist corresponding to the function; Exp(ax) = e^ax, when the matrix operator is of differentiation? Select correct option: Infinite many Finite Multiple None Question # 2 of 10 ( Start time: 11:19:00 PM ) Total Marks: 1 Which of the following rearrangement make strictly diagonal dominant, the system of linear equations; x3y+z= –2, –6x+4y+11z=1, 5x–2y–2z=9? Select correct option: 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. Question # 3 of 10 ( Start time: 11:22:12 PM ) Total Marks: 1 Which of the following is the meaning of partial pivoting while employing the row transformations? Select correct option: Making the largest element as pivot (Page 50) Making the smallest element as pivot Making any element as pivot Making zero elements as pivot 
Question # 4 of 10 ( Start time: 11:53:06 PM ) Total Marks: 1 Differences methods are iterative methods. Select correct option: TRUE FALSE Question # 5 of 10 ( Start time: 11:55:28 PM ) Total Marks: 1 Eigenvalues of a _________ matrix are all real. Select correct option: symmetric antisymmetric rectangular triangular Question # 6 of 10 ( Start time: 11:32:38 PM ) Total Marks: 1 If a system of equations has a property that each of the equation possesses one large coefficient and the larger coefficients in the equations correspond to different unknowns in different equations, then which of the following iterative method id preferred to apply? Select correct option: GaussSeidel method GaussJordon method Gauss elimination method Crout’s method Question # 7 of 10 ( Start time: 11:35:30 PM ) Total Marks: 1 For a system of linear equations, the corresponding coefficient matrix has the value of determinant; A = 0, then which of the following is true? Select correct option: The system has unique solution The system has finite multiple solutions The system has infinite may solutions The system has no solution (Page 48) Question # 8 of 10 ( Start time: 11:36:21 PM ) Total Marks: 1 For the system; 2x+3y = 1, 3x +2y =  4, if the iterative solution is (0,0) and ‘dxi = 2’ is the increment in ‘y’ then which of the following will be taken as next iterative solution? Select correct option: (2,0) (0,3) (0,2) (1,4) 
stion # 9 of 10 ( Start time: 11:37:49 PM ) Total Marks: 1 While using Relaxation method, which of the following is increment ‘dxi’corresponding to the largest Residual for 1st iteration on the system; 2x+3y = 1, 3x +2y =  4 ? Select correct option: 2 2 3 4 Question # 10 of 10 ( Start time: 11:40:42 PM)Total Marks: 1 If system of equations is inconsistent then its means that it has ……… Select correct option: No Solutions Many solutions Infinite Many solutions None of the given choices QUIZ.NO.2(2) Question # 1 of 10 ( Start time: 11:47:15 PM)Total Marks: 1 Relaxation Method is a/an ………. Select correct option: Direct method Iterative method Question # 2 of 10 ( Start time: 11:33:36 PM ) Total Marks: 1 How many Eigen values will exist corresponding to the function; Exp(ax) = e^ax, when the matrix operator is of differentiation? Select correct option: Finite Multiple Infinite many Unique None Question # 3 of 10 ( Start time: 11:36:46 PM ) Total Marks: 1 The eigenvectors of a square matrix are the nonzero vectors that, after being multiplied by the matrix, remain …………… to the original vector. Select correct option: Perpendicular Parallel Diagonal 
None of the given choices Question # 4 of 10 ( Start time: 11:38:16 PM ) Total Marks: 1 In Jacobi’s method after finding D1, the sum of the diagonal elements of D1 should be ………… to the sum of the diagonal elements of the original matrix A. Select correct option: Greater than Less than Same (Page 106) Different Question # 5 of 10 (Total Marks: 1) In the context of Jacobi’s method for finding Eigen values and Eigen vectors of a real symmetric matrix of order 2*2, if 5 be its largest offdiagonal and its two equal diagonal values are ‘3’ then which of the following will be its corresponding argument value ‘theta’ of Orthogonal Matrix? Select correct option: Pi/3 Pi/6 Pi/2 Pi/4 Question # 6 of 10 (Total Marks: 1) If f (x) contains trigonometric, exponential or logarithmic functions then this equation is known as Transcendental Equation (Page 6) Algebraic Polynomial Linear Question # 7 of 10 (Total Marks: 1) In interpolation is used to represent the d Forward difference ? Central difference Backward difference Question # 8 of 10 (Total Marks: 1) The Power method can be used only to find the eigen value of A that is largest in absolute value we call this eigen value the dominant eigen value of A. True False Question # 9 of 10 (Total Marks: 1) Power method is applicable if the eigen vectors corresponding to eigen values are linearly . Select correct option: independent dependent 
Am!R.... #8 ma mistake hy.......wahan gauss jorden mthod ana th,.....relaxation method iterative method hy..
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