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t_03.4up - Questions from Week 02 Engineering Computation...

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Engineering Computation: Tutorial 03 Problem Solving with Computing, using the Python Language January 21, 2011 Questions from Week 02? Programming Exercises from Zelle textbook 1 Pg. 72-74 # 1, 5, 8, 12, 13. 2 What’s in your toolbox? 1 Print statement, string literals 2 Basic calculator, integer division 3 Variables 4 Built-in functions 5 Math library functions 6 Straight-line (non-branching) programs 7 Branching programs 8 Python lists 9 For loops 10 Nested for loops 11 Strings 3 Today’s Topics: 1 More built-in functions: bin() hex() oct() 2 Python as Graphing Calculator (matplotlib) 4
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video Converting decimal to binary video Converting decimal to hexadecimal 5 Converting between number systems using Python Let’s take the decimal number 17: decimal to binary >>> bin (17) ’ 0b10001 ’ decimal to hexadecimal >>> hex (17) ’ 0x11 ’ decimal to octal >>> oct (17) ’ 021 ’ 6 video Converting binary to decimal video Converting hexadecimal to decimal 7 Converting between number systems using Python to decimal >>> i n t (0 b10001 ) #from b i n a r y 17 >>> i n t (0 x11 ) #from hexadecimal 17 >>> i n t (021) #from o c t a l 17 hexadecimal to binary >>> bin (0 x11 ) ’ 0b10001 ’ 8
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Matplotlib
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