a[1]=eval(parseFloat(z[1])*parseFloat(y[1])*9.81*parseFloat(x[1]));a[2]=eval(-parseFloat(x[2])/parseFloat(y[2]));a[3]=eval(-eval(Math.sqrt(parseFloat(2*(0.5*50*eval(Math.pow(parseFloat(parseFloat(y[3])),2))+50*9.81*parseFloat(z[3])-parseFloat(x[3]))/50))));a[4]=eval(-(Math.abs(parseFloat(y[4])*6.67e-11*6.0e24*(1/6.4e6-1/(6.4e6+parseFloat(x[4])*1e3))-parseFloat(y[4])*9.81*parseFloat(x[4])*1e3)/(parseFloat(y[4])*6.67e-11*6.0e24*(1/6.4e6-1/(6.4e6+parseFloat(x[4])*1e3)))));a[5]=eval(-(((parseFloat(y[5])*6.67e-11*6.0e24*(1/6.4e6-1/(6.4e6+parseFloat(x[5])*1e3)))/1e6)-parseFloat(z[5])));a[6]=eval(eval(Math.sqrt(parseFloat(2*6.67e-11*7.4e22/(parseFloat(x[6])*1e6)))));