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andrejv committed patchset 7983 of module maxima to the Maxima -- GPL CAS based on DOE-MACSYMA CVS repository, changing 1 files.
2010-01-06 23:23:46 UTC in Maxima -- GPL CAS based on DOE-MACSYMA
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(%i1) float(linsolve([y1=a*x1+b, y2=a*x2+b], [a,b]));
(%o1) [a=(y1-1.0*y2)/(x1-1.0*x2),b=-(1.0*(x2*y1-1.0*x1*y2))/(x1-1.0*x2)]
(%i2) [a,b]:map(rhs, %);
(%o2) [(y1-1.0*y2)/(x1-1.0*x2),-(1.0*(x2*y1-1.0*x1*y2))/(x1-1.0*x2)]
(%i3) a;
(%o3) (y1-1.0*y2)/(x1-1.0*x2)
2010-01-06 12:43:54 UTC in wxMaxima
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andrejv committed patchset 7982 of module maxima to the Maxima -- GPL CAS based on DOE-MACSYMA CVS repository, changing 1 files.
2010-01-06 12:39:23 UTC in Maxima -- GPL CAS based on DOE-MACSYMA
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Use the to\_poly\_solve function:
(%i2) load("to_poly_solver")$
(%i3) exp(ax)=b*exp(c*x);
(%o3) %e^ax=b*%e^(c*x)
(%i4) to_poly_solve(%, x);
(%o4) %union([x=(log(%e^ax/b)+2*%i*%pi*%z7)/c])
2010-01-05 13:26:50 UTC in wxMaxima
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clozure cl compiled files have the extension .dx64fls on mac os x. file_type thinks this are demo files since it only checks the first character of the extension. load therefore fails to load compiled files.
2010-01-02 08:56:23 UTC in Maxima -- GPL CAS based on DOE-MACSYMA
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Closing this bugreport as "works for me".
2009-12-22 19:20:40 UTC in wxMaxima
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This seems like a known bug with the maxima package on Debian/Ubuntu. Closing this bugreport as "works for me".
2009-12-22 19:17:46 UTC in wxMaxima
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andrejv changed the public information on the wxMaxima project.
2009-12-22 19:13:05 UTC in wxMaxima
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This is a bug in the implementation of the Gosper algorithm from the Zeilberger package. A workaround for simplify_sum is to set Gosper_in_Zeilberger to false.
2009-12-22 14:57:50 UTC in Maxima -- GPL CAS based on DOE-MACSYMA
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andrejv committed patchset 7955 of module maxima to the Maxima -- GPL CAS based on DOE-MACSYMA CVS repository, changing 1 files.
2009-12-22 14:55:20 UTC in Maxima -- GPL CAS based on DOE-MACSYMA
