2013-08-14 14:02:51 -0600 asked a question Question about error using plot Hello all, I'd like to view the plot of the real portion of (1+x*I)^(1+5*I). I've tried the following in sage: plot(((.5+x*I)^(1+5*I)).real(),(x,0,5)) but I keep getting cannot convert symbolic expression to numeric value. Honestly, I'd actually like to integrate the expression with respect to x on some arbitrary real interval. That kept giving errors as well when I tried to use integral_numerical. Can anyone help me? I am running the newest edition of sage, as I updated two days ago. Thanks, Rick