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43 | 43 | Diving straight into the point, we switch our focus to the partial case of polynomial |
44 | 44 | $P(2,X,4) = 900X^2 - 6000X + 10624$ |
45 | 45 | to show the first example of how it approximates the odd power function $X^5$. |
46 | | -In general, we approximate the polynomial $X^{2m+1}$ using a lower-degree polynomial of degree $m$, |
47 | | -as shown in the following image |
| 46 | +In general, we approximate the polynomial $X^{2m+1}$ using a lower-degree polynomial of degree $m$. |
| 47 | +The following image demonstrates the approximation of fifth power $X^5$ by |
| 48 | +$P(2,X,4) = 900X^2 - 6000X + 10624$ |
48 | 49 | \begin{figure}[H] |
49 | 50 | \centering |
50 | 51 | \includegraphics[width=1\textwidth]{sections/images/03_plots_polynomial_p2_n4_with_fifth} |
51 | 52 | ~\caption{Approximation of fifth power $X^5$ by $P(2, X, 4)$. |
52 | | - Points of intersection $X=4$, $X=4.42472$, $X=4.99181$. |
53 | | - Convergence interval is $4.0 \leq X \leq 5.1$ with percentage error $E < 1\%$. |
| 53 | + Convergence interval is $4.0 \leq X \leq 5.1$ with a percentage error $E < 1\%$. |
54 | 54 | }\label{fig:03_plots_polynomial_p2_n4_with_fifth} |
55 | 55 | \end{figure} |
56 | 56 | As observed, the polynomial $P(2, X, 4)$ approximates $X^5$ in a certain neighborhood of $N=4$ with |
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99 | 99 | \centering |
100 | 100 | \includegraphics[width=1\textwidth]{sections/images/07_plot_of_6th_power_with_p_2_4_times_x} |
101 | 101 | ~\caption{Approximation of sixth power $X^6$ by $P(2, X, 4) \cdot X$. |
102 | | - Convergence interval is $3.9 \leq X \leq 5.1$ with percentage error $E < 3\%$. |
| 102 | + Convergence interval is $3.9 \leq X \leq 5.1$ with a percentage error $E < 3\%$. |
103 | 103 | }\label{fig:07_plot_of_6th_power_with_p_2_4_times_x} |
104 | 104 | \end{figure} |
105 | 105 | Therefore, we have reached the statement that |
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