2012年11月9日 星期五

Scilab fundamentals 9 - The while statement

    The if statement was introduced in the previoussection. In this section, we’ll learn another statement, the while statement. Let’s start from an example. While Lisa went to work, her baby cried. This description implies that her baby had cried until Lisa came back. Combining these two sentences, we got the following statement.
 

    In other words, during the time that the condition is true, the action defined in this statement runs again and again until the condition is broken. Therefore, we can rewrite the above statement as below. The combination of condition and comparison operators inherently presents the logic to terminate the loop.
 
 
    The following example computes the sum of numbers from 1 to 100. This is a popular example because of the genius, Gauss. He solved this question when he was a child. But what I did was to eat candy during my childhood. So, Gauss is really a genius because he knew that good performance earns more candy.
 

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