Formula to calculate Power and Energy of signal in Time and Frequency domain ?

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Sukshith Shetty 2021-9-24

I would like the formula or method to calculate the Power and Energy these signals in Time and Frequency Domain

-> Periodic

-> Non-Periodic

-> Discrete

-> Continuous

Should the power/energy calculated in Time and Frequency domain be same?

How to plot the Power Spectrum in MATLAB?

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R2018b

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