Department of Mathematics Air University PAF Complex E-9 Islamabad 44000 Pakistan;
Department of Mathematics Air University PAF Complex E-9 Islamabad 44000 Pakistan;
Faculty of Engineering University of Central Punjab Lahore 54500 Pakistan;
Department of Mathematics Comsats University Chak Shahzad Campus Islamabad 44000 Pakistan;
Department of Mathematics Comsats University Chak Shahzad Campus Islamabad 44000 Pakistan;
Department of Mathematics Comsats University Chak Shahzad Campus Islamabad 44000 Pakistan;
Department of Electrical and Computer Engineering Comsats University Wah Campus 47040 Islambad Pakistan;
Typhoid fever; stochastic differential equations; euler maruyama scheme; stochastic euler scheme; stochastic runge-kutta scheme; stochastic NSFD scheme;