lecture_E7_06_6p - Lecture 6 conditional statements Boolean...

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1 Boolean variables, tests Yes no answers, tests Logical operators Application of logical operators to arrays Conditional statements Lecture 6: conditional statements if / then / else clauses Reference: book, Chapter 4 Additional material: Lecture_06.m (available on bSpace) Yes/no answers, tests In matlab, the following statements are equivalent: “YES” or “true” or 1 “NO” or “false” or 0 In other words the way for matlab to encode a positive answer is to use a boolean variable equal to 1. The way to encode a negative answer is to use a boolean variable equal to 0. Boolean means equal to 0 or 1 A test is a question to which the answer is yes or no. The result is encoded by matlab as a boolean variable. For example if the test is “Is the age of the E7 instructor less than 100 years” The answer should be: 1 Tests Assignment (the variable a is assigned to 11) Tests Assignment (the variable a is assigned to 11) Test. different from an assignment: it assesses if the condition is true Examples of tests False True False True Examples of tests
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