Output = plot specifies that a plot, which shows the expression and the Newton iterations from the initial point a, connecting these points with lines to show the progression, is returned. Plotting options are ignored if output = sequence. Output = sequence specifies that a sequence of iterations of Newton's method is returned. Plotting options are ignored if output = value. Output = value specifies that the approximation after 5 iterations of Newton's method is returned. This option controls the return value of the function. Output = value, sequence, plot, or animation If a root is found, the routine may perform fewer than this number of iterations. The number of times that Newton's method is applied iteratively to a. For more information on plot options, see plot/options. By default, the expression is plotted as a solid red line. The opts argument can contain any of the Student plot options or any of the following equations that (excluding output ) set plot options.Ī list of options for the plot of the expression f x. In general, by repeating this process, you obtain a better approximation. Given an initial approximation a of a root (a zero) of an expression expr, Newton's method attempts to improve the approximation by finding the x-intercept b of the line tangent to the expression that passes through the point a, f a : ![]() ![]() If the independent variable can be uniquely determined from the expression, the parameter x need not be included in the calling sequence. By using options, you can specify that the command returns a plot, animation, or sequence of iterations instead. This method is also known as the Newton-Raphson method. The NewtonsMethod(f(x), x=a) command returns the result of applying 5 iterations of Newton's method for approximating a root. Algebraic expression, assumed to be real specify initial pointĮquation(s) of the form option=value where option is one of functionoptions, iterations, output, pointoptions, showfunction, showpoints, showroot, showtangents, showverticallines, tangentoptions, verticallineoptions, or Student plot options specify output options
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