In the above example as we know there are two conditions, therefore, we need to define two ranges. Now we will illustrate the above example by using the vectorize approach, First, we need to declare piecewise function like the above examples.Īfter declaring the piecewise function we will define ranges of input variable ‘ x ’. This is the most popular method in piecewise functions. In this method, the input is the whole vector of sequences(conditions) as well as we can combine two conditions by using ‘ & ’ operator. This method is the second approach of piecewise functions without using loops. The above statements represent ranges of x and respective expected function values. Now inside the switch, there will be different cases, our requirement is only cases so we will write 2 cases. The above statement is the keyword for the switch case for changing values of variable ‘ x’. The above statements show f x is piecewise function concerning input variable ‘ x’, after declaring the function we will start with the switch statement. To implement the above example by using the switch – case statement first, we need to declare the function statement ( piecewise function). In this example there are two conditions in function f x, one is less than equal to ‘ 0 ’ and the other one is greater than ‘ 0’. it shows that if the value of x is less than or equal to ‘ 0 ’ then out will be ‘ – 2 ’ and if the value of ‘ x ’ is more than ‘ 0 ’ then the output will be ‘ 2’. In above statements if-else statement is used to define the range. In the above statement ‘ f x ’ is the name of the output variable, ‘ piecewise ’ is keyword used for the above function and ‘ x ’ is the input variable.Īfter declaring function now we need to define the conditions of ranges of input variable ‘ x’.
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