Re: [sage-support] reduce() of empty sequence with no initial value

2010-03-31 Thread Jose Guzman
Ok, this seems to be corrected in the new version. I tried this with the version 4.1, but with the new 4.3.3 on line works ok. Thanks a lot! Jose Guzman wrote: Hi everybody, I am trying to plot a function called 'r' defined as : sage: var('r,alpha,beta') sage: r = alpha/(alpha + beta) whose

[sage-support] reduce() of empty sequence with no initial value

2010-03-31 Thread Jose Guzman
Hi everybody, I am trying to plot a function called 'r' defined as : sage: var('r,alpha,beta') sage: r = alpha/(alpha + beta) whose components are: sage: r_alpha = 1.0/(1.7 + e**(-(x+28.2)/13.5) ) sage: r_beta = e**(-(x+63.0)/7.8) / e**(-(x+28.8)/13.1+1.7) However if I try now to plot r as as