Several departments around campus have wireless access points, but problems arise if two wireless access points within 200 feet of each other are operating on the same frequency. Suppose the departments with wireless access points are situated as follows: Department: | Is within 200 feet of departments: Math Sociology Physics Psychology History English Economics | Physics, Psychology, Chemistry, Sociology History, English, Economics, Math, Chemistry, Psychology Math, Chemistry Math, Chemistry, Sociology, Economics Sociology, English Economics, Sociology, History English, Sociology, Psychology Math, Psychology, Sociology, Physics Chemistry

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Several departments around campus have wireless access points, but problems arise if
two wireless access points within 200 feet of each other are operating on the same
frequency. Suppose the departments with wireless access points are situated as
follows:
Department: | Is within 200 feet of departments:
Math
Sociology
Physics
Psychology
History
English
Economics
Chemistry
Physics, Psychology, Chemistry, Sociology
History, English, Economics, Math, Chemistry, Psychology
Math, Chemistry
Math, Chemistry, Sociology, Economics
Sociology, English
Economics, Sociology, History
English, Sociology, Psychology
Math, Psychology, Sociology, Physics
Transcribed Image Text:Several departments around campus have wireless access points, but problems arise if two wireless access points within 200 feet of each other are operating on the same frequency. Suppose the departments with wireless access points are situated as follows: Department: | Is within 200 feet of departments: Math Sociology Physics Psychology History English Economics Chemistry Physics, Psychology, Chemistry, Sociology History, English, Economics, Math, Chemistry, Psychology Math, Chemistry Math, Chemistry, Sociology, Economics Sociology, English Economics, Sociology, History English, Sociology, Psychology Math, Psychology, Sociology, Physics
b. What is the fewest number of frequencies needed? How could these frequencies be
assigned to departments? (Hint: if you need help, Google "graph coloring.")
Transcribed Image Text:b. What is the fewest number of frequencies needed? How could these frequencies be assigned to departments? (Hint: if you need help, Google "graph coloring.")
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