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INCREMENTAL SEARCH
The incremental search method is a numerical method that is used when is needed to find an interval of two values of ‘x’ that is meant to contain at least one root
The incremental search method starts with an initial value Xo, a final value X1 and a constant called Delta. This constant is going to be added to the lower limit of the interval in each iteration in order to go from X0 to X1.
We can find the value of x1 easily with this iterativa equation:

With the expression mentioned above, we have already a series of values of ‘x’ that we can evaluate on the function.
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