Math Problem Statement

make this in table form iter x e

Solution

Certainly! To perform linear interpolation iteratively, you can organize the process in a table format. I'll set up a table assuming you're iterating to approximate f(x)f(x) for different values of xx based on the function f(x)=cos(ex2)f(x) = \cos(e^x - 2).

Table for Linear Interpolation:

Iteration (i)xix_iexie^{x_i}yi=f(xi)=cos(exi2)y_i = f(x_i) = \cos(e^{x_i} - 2)xxf(x)f(x) Interpolated
1x1=0x_1 = 01cos(12)0.5403\cos(1 - 2) \approx 0.5403
2x2=1x_2 = 12.7183cos(2.71832)0.7539\cos(2.7183 - 2) \approx 0.7539
3x=0.5x = 0.50.50.64710.6471

Explanation:

  • Iteration (i): The step or iteration in the process.
  • xix_i: The known xx values (initially given as x1x_1 and x2x_2).
  • exie^{x_i}: The value of the exponential function at xix_i.
  • yi=f(xi)=cos(exi2)y_i = f(x_i) = \cos(e^{x_i} - 2): The corresponding yy value, calculated using the function f(x)=cos(ex2)f(x) = \cos(e^x - 2).
  • xx: The value of xx for which you want to interpolate f(x)f(x).
  • f(x)f(x) Interpolated: The value of f(x)f(x) calculated using linear interpolation.

Iteration 3 Details:

Using the previous example, we interpolate for x=0.5x = 0.5 based on x1=0x_1 = 0 and x2=1x_2 = 1:

f(0.5)0.5403+0.75390.540310(0.50)0.6471f(0.5) \approx 0.5403 + \frac{0.7539 - 0.5403}{1 - 0} \cdot (0.5 - 0) \approx 0.6471

If you'd like to see more iterations, or have any other questions, feel free to ask!


Here are five related questions:

  1. How can you determine the best intervals x1x_1 and x2x_2 for interpolation?
  2. How would the table change if you added more points between x1x_1 and x2x_2?
  3. What happens if x1x_1 and x2x_2 are very close together? Does it improve accuracy?
  4. How does the interpolation error change as you add more data points?
  5. Can this table format be extended to quadratic or cubic interpolation?

Tip: Keeping your table organized makes it easier to track calculations and understand the interpolation process, especially when handling multiple iterations or points.

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Math Problem Analysis

Mathematical Concepts

Linear Interpolation
Exponential Function
Trigonometric Functions

Formulas

Linear Interpolation formula

Theorems

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Suitable Grade Level

Advanced High School