numbers save the day gcnu 1025 hkbu ge 2014 fall
TRANSCRIPT
Numbers save the day
GCNU 1025 HKBU GE 2014 Fall
• Instructor: Dr. Aijun Zhang• Office: FSC 1004• Tel: 3411 6665• Email: [email protected]• Webpage: www.math.hkbu.edu.hk/~ajzhang/
• • Textbook: Numbers Save the Day
• K. H. Law, Pearson, 2012
Nature by Numbers
http://www.youtube.com/watch?v=kkGeOWYOFoA
Numbers in daily life
• Are there any numbers that can represent you?• Are there any numbers that can represent some of your belongings
(smartphones, tablets, etc.)?
Numbers in daily life
• Student ID number• HKID number• Mobile phone number (?)• Serial numbers
Numbers in daily life
• Question: what are the uses of numbers in daily life? • Answer #1: numbers can be used for identification purpose
Numbers in daily life
• Question: what are the uses of numbers in daily life?• Answer #2: numbers can be used for error-checking due to its
computability
Numbers in daily life
Course Outline
• Ch1: Numbers in our Pockets• Numbers for identification • Numbers for error-checking• Barcode
• Ch2: Numbers in Codes• Binary codes• Coding and errors detection• Data transmission
Course Outline
• Ch3: Numbers on the Internet• Internet security• Simple cryptography
Course Outline
• Ch4: Numbers in Images• Image storage• Image processing• Fractals
Course Outline
• Ch5: Numbers in Nature and Life• Paper size • Music• Important numbers
Assessment
• 4 in-class assignments: 40% (penalty for late in-class assignments)• Midterm test: 20% (closed book; ~week 7, subject to change)• Final examination: 40%• No attendance for the moment
Teaching/learning materials
• Outline of PowerPoint • Textbook (followed closely)• Classwork (not part of assessment)• In-class assignments (important)• Mid-term test (important)• On-line quizzes (not part of assessment)• Discussion groups in the Library starting from mid-term week (not
part of assessment) • Materials will be posted online via To be announced
Course Intended Learning Outcomes
• Identify connections between relevant mathematical notations and other disciplines • Explain the applications of elementary number theory in today’s
information systems• Identify mathematics and skills underpinning the digital world• Analyze and compare the structures of sequences, and relate them to
daily phenomena