![]() If you take a look at the syntax above, you just need to type the required symbolic variables, and functions after that. It helps the user to reveal the hidden details in the plot. Re-evaluation on Zoom: The plot generated from the fplot can be reevaluated by using the zooming feature. Use of ‘syms’ command is easier than ‘sym’ command in Matlab®. Below are the additional note for Matlab fplot(): 1. YOU CAN LEARN MatLab® IN MECHANICAL BASE Click And Start To Learn MatLab®! ‘syms’ Command In MatLab® > syms x y z We created a polynomial that can be operable with further factorizations or other kinds of mathematical operations. Because ‘x’ is defined as a symbolic variable, which has no exact value. ![]() If you look at the example above, there is no problem with ‘x’. And in Matlab®, all the variables must have values. Because ‘x’ is not defined as a variable. In normal, if you write a polynomial like above into the Matlab® command window, you will face an error like above that says ‘Undefined function or variable ‘x’. We explained these codes with very basic examples below in the MatLab® command window. ‘sym’ command is a very useful command in Matlab® to create unknown variables to use in various polynomial and mathematical applications.
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