Eval                 package:Ryacas                 R Documentation

_E_v_a_l_u_a_t_e _a _y_a_c_a_s _e_x_p_r_e_s_s_i_o_n.

_D_e_s_c_r_i_p_t_i_o_n:

     Evaluate a yacas expression.

_U_s_a_g_e:

     ## S3 method for class 'yacas':
     Eval(x, env = parent.frame(), ...)
     ## S3 method for class 'Sym':
     Eval(x, env = parent.frame(), ...)

_A_r_g_u_m_e_n_t_s:

       x: Object to be evaluated. 

     env: Environment or list in which to perform evaluation. 

     ...: Not currently used. 

_E_x_a_m_p_l_e_s:

     ## Not run: 
     Eval(yacas(expression(x*x)), list(x=2))

     # same
     x <- 2
     Eval(yacas(expression(x*x)))
     ## End(Not run)

