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realonly-solve-true

realonly:true;

a4:81;

a7:2187;

Calculate

realonly-solve-true

f:x^3-(a-1)*x^2+a^2*x...

solve(f,x),realonly:t...

Calculate

realonly-solve-true

eq1:x^2+y^2=1;

eq2:x+2*y=1.5;

solve([eq1,eq2], real...

Calculate

realonly-solve-true

realonly:true;

a4:81;

a7:2187;

Calculate

realonly-solve-true

f:x^3-(a-1)*x^2+a^2*x...

solve(f,x),realonly:t...

Calculate

realonly-solve-true

eq1:x^2+y^2=1;

eq2:x+2*y=1.5;

solve([eq1,eq2], real...

Calculate

realonly

Run Example
(%i1)f:x^3-(a-1)*x^2+a^2*x-a^3=0;
                         3            2    2      3
(%o1)                   x  - (a - 1) x  + a  x - a  = 0
(%i2) algsys([solve(f,x)],[x]), realonly:true;
(%o2)                                 []
(%i3) 
Run Example
realonly:true;
(%o1)                                true
(%i2) solveradcan:true;
(%o2)                                true
(%i3) algsys([log(2*x/-7*x)/log(4) = 1/2], [x]);
(%o3)                                 []
(%i4) 
Run Example
? realonly;

 -- Option variable: realonly
     Default value: `false'

     When `realonly' is `true', `algsys' returns only those solutions
     which are free of `%i'.


(%o1)                                true
(%i2) 

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