2018-05-04 11:27:50 -0600 | asked a question | Solve a system Why this command doesn't give me any solution : I suppose because, there is an unique solution and x doesn't depend on y. Now I would like to know when we solve an equation such that $$f(z)= 0\iff Re(x)+iIm(x)=0 $$ with $z=x+iy$ and $f(z)=5z-i\overline{z}^2+3+2i$ Is this command the right one to solve this problem ? |
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2018-03-31 12:34:18 -0600 | asked a question | function created in python under sage Below a function in python, When I call this function It doesn't work, I've got an error . |
2018-03-14 16:10:48 -0600 | asked a question | place a point on a graph I 've got a graph as it is shown below: And I would like to place a point on (x,f(x))=(t_0,y_0)=(1,-1), with labels. How can I do that please? Thanks |