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P. 820

800    APPENDIX A A MAPLE Primer

                                 which returns the residue 1. We could also enter
                                                          residue(cos(z)/z,z=0);

                                 If f (z) is a conformal mapping, we can obtain a picture of the image of a rectangle defined by
                                 a ≤ x ≤ b, c ≤ y ≤ d by first opening the plots subroutines:
                                                                with(plots);

                                 Next, enter
                                                           ∗
                                                                    ∗
                                 conformal(f(z),z=a + b I,c + d I,xtickmarks = 8,ytickmarks = 8);
































































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