PARTFRAC error. « Next Oldest | Next Newest »

 ▼ Romeu Medeiros Junior Member Posts: 2 Threads: 1 Joined: Jun 2013 06-23-2013, 05:19 PM Hello Friends, I have a HP50g with software #2.15, we are trying solve a partfrac: (-0.01(x+7500))/((x+5000)ˆ2), the HP show me the result is: -25/(X+5000)/(X+5000). But the correct result is: -25./(5000.+x)^2-0.01/(5000.+x) Someone have this problem before? Thanks Romeu Medeiros ▼ peacecalc Member Posts: 97 Threads: 9 Joined: Nov 2011 06-23-2013, 05:56 PM Hello Romeu, if you change -0.01 in -1/100 you get what you want. The CAS tends to show unpredictable results if you input expressions with floating point values. You should work with exact values. Greetings peacecalc ▼ Romeu Medeiros Junior Member Posts: 2 Threads: 1 Joined: Jun 2013 06-23-2013, 10:27 PM Hello PeaceCalc, I dont knew about this issue with the cas. Now I try like you said, and works correctly. :-) Thanks a lot Romeu Medeiros

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