Wednesday, October 24, 2018

continuous signals - Energy of Sinc function


How to find energy of sinc function x(t)=sinπtπt with out the help of Fourier transform or Parseval's theorem?




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periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions

Apparently the of last four, MgX2+ is closest in radius to LiX+. Is this true, and if so, why would a whole larger shell ($\ce{...