Lecture 2 Notes

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: p(‘Yes’) end Insight Through Computing Solution Fragment xc = -b/2; if (L <= xc) && (xc <= R) disp(‘Yes’) else disp(‘No’) end Insight Through Computing Boolean Expressions The if-else Construct boolean expression if Commands to execute if the expression if TRUE else Commands to execute if the expression if FALSE end Insight Through Computing (xc < L) || (R < xc) Their value is either true or false. Made up of comparisons that are either true or false. Connected by logical operators: and (&&) , or (||), not (~) Insight Through Computing Relational Operators Arithmetic Expressions (x+3)*(y-z) Their value is a number. Made up of other (simpler) arithmetic expressions that are connected by arithmetic operators: + , - . * . / Insight Through Computing < > <= >= == ~= Less than Greater than Less than or equal to Greater than or equal to Equal to Not equal to Insight Through Computing 14 1/28/14 The And Operator && The Or Operator || && - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - F F F F T...
View Full Document

{[ snackBarMessage ]}

What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern