, Maple solve, .
solve(eqn, var);
eqn , ;
var , .
, . :
> ur:=x^2+2*x-3;# ur
> ot:=solve(ur,x);# ot
> x1:=ot[1];# 1
> x2:=ot[2];# 2
> subs(x=x1,ur);#
> subs(x=x2,ur);#
, NULL. fsolve, .
fsolve(eqn, var);
eqn , ;
var , .
:
> solve(exp(x)+ln(2*x)-4.2*x);
, , , fsolve.
> fsolve(exp(x)+ln(2*x)-4.2*x);
. [4].
solve, , , 0 2*π. :
>solve(sin(x)=cos(x),x);
, , _EnvAllSolutions:=true. :
>_EnvAllSolutions:=true;
_EnvAllSolutions:=true;
>solve(sin(x)=cos(x),x);
Maple _Z~ , , n .
solve . . , , RealRange( , Open(a)), , x ( , a), . Open , . , . :
> s:=solve(sqrt(x+3)<=sqrt(x-1)+sqrt(x-2),x);
x (a, b), a<x, x<b, , , . :
> solve(1-1/2*ln(x)>2,{x});