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’. In this method we represent different conditions in different methods, we can specify multiple cases in one switch loop. The second method in loops is driven by switch-case statements. 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’. To implement the above function in Matlab first we need to create one function with keyword ‘ piecewise ’ Plot ( input variable, output variable )įunction output variable = piecewise ( input variable ) This is one of the basic terminologies to implement piecewise functions but, this is not a good practice to implement piecewise function. The vectorized method By using If-Else statements
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