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beta_incomplete_regularized

Run Example
(%i1)f(a, b, z) := diff(beta_incomplete_regularized(a, b, z));
(%o1)      f(a, b, z) := diff(beta_incomplete_regularized(a, b, z))
(%i2) f(3.3, 5.2, 0.7);
(%o2)                                  0
(%i3) 
Run Example
a:1;
(%o1)                                  1
(%i2) b:999;
(%o2)                                 999
(%i3) p:a/(a+b);
                                      1
(%o3)                                ----
                                     1000
(%i4) r:p+0.05;
(%o4)                                0.051
(%i5) l:0;
(%o5)                                  0
(%i6) p*(beta_incomplete_regularized(a,b,r)-beta_incomplete_regularized(a,b,l));
(%o6)                                0.001
(%i7) 
Run Example
a:10;
(%o1)                                 10
(%i2) b:10;
(%o2)                                 10
(%i3) p:a/(a+b);
                                       1
(%o3)                                  -
                                       2
(%i4) r:p+0.05;
(%o4)                                0.55
(%i5) l:p-0.05;
(%o5)                                0.45
(%i6) p*(beta_incomplete_regularized(a,b,r)-beta_incomplete_regularized(a,b,l));
(%o6)                          0.17103591242161
(%i7) 

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