Fourier Series Examples and Solutions | Problem #17 | Numericals | Periodic Function | Period 2l

Problem 17.
This video contains problem on periodic function with period 2l or 2c

Complete idea about "how to solve a problem on fourier series?"

Fourier series examples and solutions will be well explained by Dr. Mayur Gondalia.

◘ Steps to solve any problem or numerical on fourier series with period 2l.
1. Identify the function: Whether the given function is odd function or even function? Identify the function's type from its expression or waveform or graph.

2. Identification of function's type (that is odd or even function) will reduce the calculation of fourier series.

3. If function is odd then fourier coefficient a0 and an equals to 0 (zero). and if function is even then fourier coefficient bn equals to 0 (zero). If function is neither odd nor even then you have to calculate all three coefficients a0, an and bn of fourier series one by one.

4. Remember the formulae of fourier series and coefficients of fourier series with period 2l or 2c.

5. Once you will get the values of all three fourier coefficients (a0, an, bn) then fourier series expansion can be done by just simply replace the values of this fourier series coefficients to the formula of fourier series with period 2l or 2c.

6. You will get the fourier series of any periodic function with period 2l or 2c.

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