HP 50g User Manual download pdf (Page 149)

Page 14-6

Fourier series for a quadratic function

Determine the coefficients c

, c

, and c

for the function g(t) = (t-1)

+(t-1),

with period T = 2.

Using the calculator in ALG mode, first we define functions f(t) and g(t):

Next, we move to the CASDIR sub-directory under HOME to change the

value of variable PERIOD, e.g.,

„(hold) §`J@)CASDI`2K@PERIOD `

Return to the sub-directory where you defined functions f and g, and

calculate the coefficients. Set CAS to Complex mode (see chapter 2)

before trying the exercises. Function COLLECT is available in the ALG

menu (

‚×).

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HP 50g User Manual Page 149