MCQ Bank
Given the following data x:1 2 5 y:1 4 10 Value of 1st order divided difference f[2 , 5] is
- A) 2
- B) 1
- C) 0
- D) -2
Given the following data x: 1 3 -7 f(x): 3 -6 -2 Which formula is useful in finding the interpolating polynomial?
- A) Newton’s backward difference formula
- B) None of the given choices
- C) Newton’s forward difference formula
- D) Lagrange’s interpolation formula
x: 1 3 7 10 f(x): -3 10 3 13 Which formula is useful in finding the interpolating polynomial?
- A) Lagrange’s interpolation formula
- B) (viii) None of the given choices
- C) Newton’s backward difference formula
- D) Newton’s forward difference formula
Trapezoidal and Simpson’s integrations are just a linear combination of values of the
given function at different values of the …………variable.
- A) Dependent
- B) Independent
- C) Arbitrary
- D) None of the given choices
If f(x) = 2{x^3} - 5{x^2} + 9x - 6 , then its------derivative is zero for all x.
- A) 2nd
- B) 4th
- C) 5th
- D) 3rd
\begin{gathered} Which\,of\,the\,following\,method\,can\,be\,used\,for\,{\text{interpolation}}\,for\,the\,given\,values\,of\,x\,and\,y? \hfill \\ \begin{array}{*{20}{c}} x&{0.3}&{0.7}&{0.9} \\\ y&{0.067}&{0.248}&{0.518} \end{array} \hfill \\\ \end{gathered}
- A) Newton’s interpolation formula
- B) Newton’s forward difference formula
- C) Lagrange’s interpolation formula
- D) Newton’s backward difference formula
For\,the\,given\,data\,{\text{points}}\,(4,1.3),\,(8,1.5),\,and\,(12,1.9)\,\,the\,divide\,difference\,table\,will\,be\,given\,as
- A) \begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{1.3}&{0.05}&{} \\\ 8&{1.5}&{0.1}&{0.0062} \\\ {12}&{1.9}&{}&{} \end{array}
- B) \begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{1.3}&{0.0062}&{} \\\ 8&{1.5}&{0.1}&{0.05} \\\ {12}&{1.9}&{}&{} \end{array}
- C) \begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{1.3}&{0.1}&{} \\\ 8&{1.5}&{0.35}&{0.0062} \\\ {12}&{1.9}&{}&{} \end{array}
- D) \begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{1.3}&{0.1}&{} \\\ 8&{1.5}&{0.0062}&{0.05} \\\ {12}&{1.9}&{}&{} \end{array}
\[For\,the\,given\,data\,{\text{points}}\,({x_{0,}}{y_0}),\,({x_1}{y_1}),\,({x_2}{y_2}),\,and\,({x_{3,}}{y_3})\,\,the\,first - order\,divide\,difference\,will\,be\,given\,as\]
- A) \[y[{y_0},{y_1},{y_2}]\]
- B) \[y[{x_0},{x_1}]\]
- C) \[y[{x_0}]\]
- D) \[y[{x_0},{x_1},{x_2}]\]
Given the following data x: 0 1 2 4 y: 1 1 2 6 Value of 1st order divided difference f[2,4] is
- A) 2
- B) 0
- C) 1
- D) -2
For\,the\,given\,data\,{\text{points}}\,(1, - 3),\,(2,0),\,and\,(3,15),\,the\,zero - order\,divide\,difference\,will\,be\,
- A) 0
- B) -1
- C) -3
- D) -2
For\,the\,given\,data\,{\text{points}}\,(4,45),\,(5,104),\,and\,(6,190),\,the\,{\text{first}} - order\,divide\,difference\,will\,be\,
- A) 82
- B) 59
- C) 76
- D) none
In Lagrange’s interpolation, for the given five points we can represent the function f (x) by a polynomial of degree
- A) 4
- B) 3
- C) 5
- D) 6
The\,first\,divide\,difference\,y[{x_0},{x_1}]\,can\,be\,given\,as\,
- A) \frac{{\nabla {y_1}}}{h}
- B) \frac{{{y_1} - {y_0}}}{{{x_1} - {x_0}}}
- C) \frac{{\Delta {y_0}}}{h}
- D) All
Let \[f(x,y) = 2{x^3} + 6{y^3} + 9xy\] For x=0, 1,2,3,4, and y=0, 1,2,3,4 Then computing the value of f(2.5,3.5) is an example of .......
- A) Interpolation in three dimensions
- B) Interpolation in two dimensions
- C) Interpolation in one dimension
- D) Interpolation in four dimensions
\[\begin{gathered} For\,the\,given\,divide\,difference\,table \hfill \\ \begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 1&{2.2}&{0.4333}&{} \\\ 4&{3.5}&{0.2}&{ - 0.0389} \\\ 7&{4.1}&{}&{} \end{array} \hfill \\ the\,Newton's\,divide\,difference\,\,{\text{interpolation}}\,formula\,will\,be \hfill \\\ \end{gathered} \]
- A) \[y = f(x) = 2.2 + (x - 1)( - 0.0389) + (x - 1)((x - 4)(0.4333)\]
- B) \[y = f(x) = - 0.0389 + (x - 1)(0.4333) + (x - 1)((x - 4)(2.2)\]
- C) \[y = f(x) = 2.2 + (x - 1)(0.4333) + (x - 1)((x - 4)( - 0.0389)\]
- D) \[y = f(x) = - 0.0389 + (x - 1)(2.2) + (x - 1)((x - 4)(0.4333)\]
For\,the\,given\,data\,{\text{points}}\,(1, - 3),\,(2,0),\,and\,(3,15),\,the\,first - order\,divide\,difference\,will\,be\,
- A) -2
- B) 3
- C) 2
- D) -3
\[For\,the\,given\,data\,{\text{points}}\,(4,2.2),\,(8,3.5),\,and\,(12,4.1)\,\,the\,divide\,difference\,table\,will\,be\,given\,as\]
- A) \[\begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{2.2}&{0.325}&{} \\\ 8&{3.5}&{0.15}&{ - 0.065} \\\ {12}&{4.1}&{}&{} \end{array}\]
- B) \[\begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{2.2}&{0.325}&{} \\\ 8&{3.5}&{0.15}&{ - 0.0108} \\\ {12}&{4.1}&{}&{} \end{array}\]
- C) \[\begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{2.2}&{0.325}&{} \\\ 8&{3.5}&{0.15}&{ - 0.098} \\\ {12}&{4.1}&{}&{} \end{array}\]
- D) \[\begin{array}{*{20}{c}} x&y&{1stD.D}&{2ndD.D} \\\ 4&{2.2}&{0.325}&{} \\\ 8&{3.5}&{0.15}&{ - 0.0219} \\\ {12}&{4.1}&{}&{} \end{array}\]
Lagrange’s interpolation formula is used when the values of the independent variable are
- A) Equally spaced
- B) None
- C) Constant
- D) Not equally spaced
To evaluate a definite integral of tabular function f(x), piecewise quardratic approximation led to ---------
- A) Trapezoidal Method
- B) Simpson’s Rule
- C)
- D)
\[For\,the\,given\,data\,{\text{points}}\,(2,5),\,(4,7),\,and\,(6,9),\,the\,{\text{first}} - order\,divide\,difference\,will\,be\,\]
- A) 1
- B) 0
- C) 5
- D) 2