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Matlab if else does not equal sign3/16/2023 Now let’s go back up and change this input grade to something less than 60. So I click run and we get pass and that is what I would expect because my grade was greater than or equal to 60. So let’s run the program and see what we get here output to the command window. So this is how this would read if the grade is greater than or equal to 60 then display pass and in the program if that logical expression evaluates as false the program will just end. So in this case, we will display pass and then we will end the program. So if the grade is greater than or equal to 60 then we want the program to display that we have passed the class, so we are going to use the display function to do so. In this case I will choose let’s say 70 then I will add a semicolon on the end of this line to suppress the output and next we will move to implementing our if statement, so we say if our grade is greater than or equal to 60 this is our logical expression and the greater than or equal to is our relational operator. So in the grade variable we are going to assign it a value and you can assign it anything that you would like. So we are start off our program by entering a numeric grade and we are going to store it in a variable called grade because that just makes sense. So let’s go over to MATLAB now and implement this. In this example 65 and if this grade is greater than or equal to 60, if that is true we will know we have passed the class and the program will end. So here is a flowchart of the example that we are going to work in MATLAB and in this case what we are trying to do is take an input grade. However if this logical expression is false the program will just end. Such as less than, greater than or equal to and if this logical expression evaluates is true then the program will execute one or more statements and then end. This logical expression is going to consist of one or more of these relational operators. So, we start the program with some sort of input and we evaluate this input using a logical expression. In a flowchart of the if statement as given below, flowcharts are super useful for documenting the paths that a program can take. Let’s get started.īefore we jump into MATLAB Programming, let’s take a look at the structure of the if statement. Conditional Statements in Matlab- In this tutorial, we will introduce you to the conditional statements if, if-else, and else if and then I will show you through examples, how to implement each of these statements in MATLAB.
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