appendix:'example'
part1: enriching-section 'operating line',revision1
[email protected],05/04/2017
(%i1) | float(0.501+4.5*0.43-5.5); |
(%i4) |
m:0.504; b:0.43; alpha :5.5; |
(%i7) |
A:(alpha-1)*m; B:m+(alpha-1)*b-alpha; C:b; |
(%i8) | p1:A+B+C; |
(%i9) | p2:p1-A-C; |
(%i10) | p3:A+C; |
assume : b > 0 ,because -(A+C) < 0
(%i11) | p4:-(A+C); |