Difference between revisions of "Calculating E infinity and P infinity - Walter Mulflur (wmulflur)" - Rhea

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-<math>x(t)=4\cos(t)+4\jmath\sin(t)</math>
-   <math>|x(t)|=|4\cos(t)+4\jmath\sin(t)|</math>
-   <math>|x(t)|=\sqrt{16\cos^2(t)+16\sin^2(t)}= 4</math>
-Compute <math>E\infty</math>
-   <math>E\infty=\int_{-\infty}^\infty |4|^2\,dt=16t|_{-\infty}^\infty</math>
-   <math>E\infty=\infty</math>
-Compute <math>P\infty</math>
-   <math>P\infty=lim_{T \to \infty} \ \frac{1}{(2T)}\int|4|^2dt</math>
-   <math>P\infty=lim_{T \to \infty} \ \frac{1}{(2T)}*16|_{-T}^T</math>
-   <math>P\infty=lim_{T \to \infty} \ \frac{1}{(2T)}*16(T-(-T))</math>
-   <math>P\infty=lim_{T \to \infty} \ 16</math>
-   <math>P\infty=16</math>

Revision as of 19:12, 21 June 2009