FindRoot vs. solve(2) or (4) - Fundamental understanding of both functions - Сообщения
#1 Опубликовано: 12.04.2018 14:12:23
Having an issue understanding where to use what ...
FindRoot vs solve(4).sm
FindRoot vs solve(4).sm
#2 Опубликовано: 12.04.2018 14:37:10
FindRoot needs an initial guess to be explicited, therefore as 2nd argument use 1 or whatever number is more appropriate.
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#3 Опубликовано: 12.04.2018 14:54:19
Thank you Davide,
Can you post how to do the initial guess? I've tried multiple items with no success
Can you post how to do the initial guess? I've tried multiple items with no success
#4 Опубликовано: 12.04.2018 15:22:42
Thank you Davide,
Can you post how to do the initial guess? I've tried multiple items with no success
Here you have
FindRoot vs solve(4).sm
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ElSid 12.04.2018 17:14:00
#5 Опубликовано: 12.04.2018 17:16:08
Davide,
User error! I was initializing with #c instead of #a or #b.
User error! I was initializing with #c instead of #a or #b.
#6 Опубликовано: 12.04.2018 20:30:49
Having an issue understanding where to use what ...
1. roots is local of utmost accuracy.
2. solve[4] is general on specified range.
... will find/locate all 0's of Bessel in specified range
... roots [individually located] will meet Abramowitz & Stegun
roots and find work around different numerical algorithms.
You must have valid example(s) for Doctoring.
"Samples" is immensely furbished.
Solve roots.sm
#7 Опубликовано: 12.04.2018 21:37:07
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