Loops

Problem 1: vector_square.m
Problem 3: vector_algebra.m
Problem 5: is_between.m
Problem 7: cosine_approx.m
Problem 9: sine_approx.m
Problem 11: steps.m
Problem 13: just_enough.m
Problem 15: big_abs_normal.m
Problem 17: guess_my_number.m
Problem 19: click_and_plot.m
Problem 21: mult_table.m
Problem 23: make_waves.m
Problem 25: exp_approx_sequence.m
Problem 27: forward_backward.
Problem 29: blue_to_red.m
Problem 31: picking_nits.m
Problem 33: blue_to_red_implicit.m
Problem 35: so_fast.m