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how to do quadratic formula in matlab. It works for quadratics where there are two real roots but I want it to display NA for one of the roots when there is a repeated root or NA for both when there are no real roots. First we bring the equation to the form ax²bxc0 where a b and c are coefficients.
2x2 x - 1 0. See examples of using the formula to solve a variety of equations. All quadratic equations can be written in the form ax2 bx c 0 where a b and.
A second method of solving quadratic equations involves the use of the following formula.
X rqe 2 1 -1 and we get from Matlab. X 1 -b d 2a. Bxc 0 using the classical quadratic formula 2 -6762 - 4ac2a. Quadratic Equation A quadratic equation is of the form ax 2 bx c 0 where a 0.