Implementation of Bisection Method written in Matlab.
% TheFlyingKeyboard and released under MIT License % theflyingkeyboard.net intervalBegin = 0.0; intervalEnd = 2.0; precision = 0.0001; middle = (intervalBegin + intervalEnd) / 2; %bisection method while(abs(Function(middle)) > precision) middle = (intervalBegin + intervalEnd) / 2; if(Function(intervalBegin) * Function(middle) < 0) intervalEnd = middle; else intervalBegin = middle; end end %plot data plotDataX = []; plotDataY = []; for i = 1:(abs(intervalBegin + intervalEnd) / precision) plotDataX(i) = intervalBegin + precision * i; plotDataY(i) = Function(intervalBegin + precision * i); end plot(plotDataX, plotDataY, 'b'); grid on; hold on, plot(middle, Function(middle), 'r', 'MarkerSize', 12);
% TheFlyingKeyboard % theflyingkeyboard.net function y = Function(x) y = x * (x + 1) - 2; end
Matlab Bisection Method