Homework Statement
F(x) = exp(-a x^2) cos bx
for -100 =< x >= 100 , a=13 and b=7.
Homework Equations
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The Attempt at a Solution
program main
implicit double precision (A-H,O-Z)
implicit integer (I-N)
DO I = -100,100
X = I * 1D0
F = DEXP(-A * X**2) * DCOS(B * X)...