/* [wxMaxima batch file version 1] [ DO NOT EDIT BY HAND! ]*/
/* [ Created with wxMaxima version 14.12.1 ] */

/* [wxMaxima: input   start ] */
eq1:h=H+a*x+b*y;
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq2:h0=H+a*x0+b*y0;
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq3:h1=H+a*x1+b*y1;
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq4:h2=H+a*x2+b*y2;
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq5:solve([eq2,eq3,eq4],[a,b,H]);
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq6:subst(eq5,eq1);
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq7:dhbydh0=factor(diff(rhs(eq6),h0));
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq8:dhbydh1=factor(diff(rhs(eq6),h1));
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq9:dhbydh2=factor(diff(rhs(eq6),h2));
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq10:x1*y2-x0*y2-x2*y1+x0*y1+x2*y0-x1*y0=d;
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq11:subst(eq10,eq7);
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq12:subst(eq10,eq8);
/* [wxMaxima: input   end   ] */

/* [wxMaxima: input   start ] */
eq13:subst(eq10,eq9);
/* [wxMaxima: input   end   ] */

/* Maxima can't load/batch files which end with a comment! */
"Created with wxMaxima"$