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Stupid Invention Question - using optional ingredients lowers odds.
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Samuel Smith
State Protectorate
Caldari State
#1 - 2014-10-05 21:24:02 UTC
I have an Inferno heavy missile BPC set up to invent an Inferno Fury Heavy Missile Blueprint

I'm confused by what happens when I add optional ingredients.
By using a Caldari Navy Inferno Heavy Missile and
an esoteric augmentation
my Success Probability is 33.3 %

But if I remove both optional items
my Success Probability rises to 47.6 %

This makes no sense to me, I was under the impression that having more samples and tools would *increase* your success chances.

Can anyone explain the math?

Thanks
Caterpil
Amanina Avada Corporation
#2 - 2014-10-05 22:21:53 UTC
Its always a good idea to read what the decryptor you are using actually does...

Esoteric Augmentation:

Probability Multiplier: -40%
Max. Run Modifier: +9
Mineral Efficiency Modifier: -2
Production Efficiency Modifier: +1

In other words it makes you much less likely to succeed, and your resultant blueprint uses more materials. However your resultant blueprint will have 9 more runs than normal and will be built slightly faster. Your calculations should tell you whether or not a certain decryptor is worth it or not, just throwing them randomly into invention jobs is MUCH more likely to harm your results than help.
Elena Thiesant
The Scope
Gallente Federation
#3 - 2014-10-05 22:25:35 UTC
Meta items increase success.

Decryptors change any of:
- success chance
- runs
- ME
- TE
and can either increase or decrease any of them (except runs, those can only be increased)