Bisection method is the simplest among all the numerical schemes to solve the transcendental equations. This scheme is based on the intermediate value theorem for continuous functions
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the above function has two roots in between -1 to 1 and in between 1 to 2.
for 1st root we assign a=-1 ; b=1; and for 2nd root we assign a=1; b=2.
for any reference please visit : https://mat.iitm.ac.in/home/sryedida/public_html/caimna/transcendental/bracketing%20methods/bisection/bisection.html#problems
N Narayan rao (2019). bisection(f,a,b,tol) (https://www.mathworks.com/matlabcentral/fileexchange/58734-bisection-f-a-b-tol), MATLAB Central File Exchange. Retrieved .