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sublis

sa (e) := sublis ([a ...

sb (e) := sublis ([a ...

sa (sb (b));

Calculate

sublis

sa (e) := sublis ([a ...

sb (e) := sublis ([a ...

sa(sb(sa(sb(sa (sb (b...

Calculate

sublis

sa (e) := sublis ([a ...

sb (e) := sublis ([a ...

sb (sa (b));

Calculate

sublis

sa (e) := sublis ([a ...

sb (e) := sublis ([a ...

sb (sa (sb (sa (b))));

Calculate

sublis

x(t) := a*t + b*t^3;

y(t) := c*t + d*t^2;

x_(t) := a + 3*b*t^2;

Calculate

sublis

sa (e) := sublis ([a ...

sb (e) := sublis ([a ...

sa (sb (sa (sb (a))));

Calculate

sublis

sublis([x=3/2],2*x^2+...

Calculate

sublis

sa (e) := sublis ([a ...

sb (e) := sublis ([a ...

sa (b);

Calculate

sublis

x(t) := a*t + b*t^3;

y(t) := c*t + d*t^2;

x_(t) := a + 3*b*t^2;

Calculate

sublis

Run Example
(%i1)sublis([Cx=0,Cy=0,Bx=4*a,By=0,Ax=(2*c^2-2*b^2+2*a^2)/a,Ay=2*sqrt(-c^4+2*b^2*c^2+2*a^2*c^2-b^4+2*a^2*b^2-a^4)/a,Ex=3*(2*c^2-2*b^2+2*a^2)/(4*a),Ey=3*sqrt(-c^4+2*b^2*c^2+2*a^2*c^2-b^4+2*a^2*b^2-a^4)/(2*a),Fx=((2*c^2-2*b^2+2*a^2)/a-4*a)/4+4*a,Fy=1/2*sqrt(-c^4+2*b^2*c^2+2*a^2*c^2-b^4+2*a^2*b^2-a^4)/a,Gx=a,Gy=0],(Ey-By)*(x-Bx)/(Ex-Bx)+By);
                  4      2  2      2  2    4      2  2    4
        3 sqrt(- c  + 2 b  c  + 2 a  c  - b  + 2 a  b  - a ) (x - 4 a)
(%o1)   --------------------------------------------------------------
                                 2      2      2
                           3 (2 c  - 2 b  + 2 a )
                      2 a (---------------------- - 4 a)
                                    4 a
(%i2) 
Run Example
f(theta):=((cos(theta)^2-sin(theta)*(sin(theta)-zeta))/sqrt(lambda^2-(sin(theta)-zeta)^2));
                          2
                       cos (theta) - sin(theta) (sin(theta) - zeta)
(%o1)      f(theta) := --------------------------------------------
                                      2                      2
                           sqrt(lambda  - (sin(theta) - zeta) )
(%i2) trigreduce(f(theta));
                          sqrt(2) sin(theta) zeta
(%o2) ----------------------------------------------------------------
                   2         2
      sqrt(2 lambda  - 2 zeta  + 4 sin(theta) zeta + cos(2 theta) - 1)
                                     sqrt(2) cos(2 theta)
             + ----------------------------------------------------------------
                            2         2
               sqrt(2 lambda  - 2 zeta  + 4 sin(theta) zeta + cos(2 theta) - 1)
(%i3) plt2d(sublis([lambda=3.5,zeta=0.3],f(theta)),[theta,-%pi,%pi]);
               2
            cos (theta) - (sin(theta) - 0.3) sin(theta)
(%o3) plt2d(-------------------------------------------, [theta, - %pi, %pi])
                                                2
                 sqrt(12.25 - (sin(theta) - 0.3) )
(%i4) 
Run Example
sa (e) := sublis ([a = -a, b = a+b], e);
(%o1)              sa(e) := sublis([a = - a, b = a + b], e)
(%i2) sb (e) := sublis ([a = a+b, b = -b], e);
(%o2)              sb(e) := sublis([a = a + b, b = - b], e)
(%i3) sa (sb (sa (sb (sa (a)))));
(%o3)                                b + a
(%i4) 

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