Selection

• Problem 1: switch-statement
• Problem 3: if, elseif, else, end
• Problem 5: two_rows.m
• Problem 7: not_smallest_expression.m
• Problem 9: even_odd.m
• Problem 11: inside_outside.m
• Problem 13: sort2.m
• Problem 15: over_pi.m
• Problem 17: bolt_check.m
• Problem 19: day_of_month.m