SOLUTION FOR MATH417 MIDTERM
Problem 1.(40 Points) Let f (x) = x for 0 x .
(1) Find the Fourier cosine series C [f ] of f (with [0, ] as the basic interval).
(2) Over the interval (3, 3 ), sketch the function to which the series converges.
(3) Find the Fo
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PARTIAL DIFFERENTIAL EQUATIONS (110.417S11)
1. Info on Midterm Exam
Time/Location: Thursday, March 10, 121:15, Maryland 104.
Oce Hour: Move from March 10 to March 8 3:00-4:00 PM
There will be 3 problems (100 points).
To have feeling
PARTIAL DIFFERENTIAL EQUATIONS (110.417S10)
Disclaimer. This review is intended as a guideline for this course. There may
be some typos in this review. You should consult the textbook for clarity.
1. Second Order Linear PDEs