Exponential

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  1. - 2nd February 2008, 05:21 #1
    civicgundam's Avatar
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    Default Exponential

    i just have to ask if there is any way to write exponential functions in picbasic or pic basic pro.
    If anyone has any idea please let me know

    thanks
  2. - 2nd February 2008, 14:55 #2
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    Where there is a will, there is a way....

    What does your function look like?
    Paul Borgmeier
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  3. - 2nd February 2008, 15:04 #3
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    Hi,

    There's no SPECIFIC PbP function, but ...

    The SEARCH function could have given ... 7 Hits ...

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  4. - 2nd February 2008, 19:15 #4
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    Quote Originally Posted by Acetronics View Post
    The SEARCH function could have given ... 7 Hits ...
    But it didn't...
    (SIGH)..........
  5. - 2nd February 2008, 19:30 #5
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    Ahhhhhhh ???

    http://www.picbasic.co.uk/forum/sear...earchid=448880

    He,he ...

    MMMhhhhh, for the 18S20 ... the "waiting line" ... just isn't at the right place !!!

    Alain
    Last edited by Acetronics2; - 2nd February 2008 at 19:32.
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  6. - 2nd February 2008, 19:37 #6
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    Quote Originally Posted by Acetronics View Post
    Ahhhhhhh ???
    http://www.picbasic.co.uk/forum/sear...earchid=448880
    He,he ...
    Then again...none of those 7 hits are worth anything. So maybe the question was valid after all...
    A 6 pack says the exponential function needed also wants to be able to use floating point...(SIGH again)
  7. - 2nd February 2008, 19:42 #7
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    Taylor's series then ... and not to be in a hurry !!!

    oh, may be we could think to Micromega's co-processors ...
    Last edited by Acetronics2; - 2nd February 2008 at 19:46.
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  8. - 3rd February 2008, 15:20 #8
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    Also something here ...

    http://microchip.com/stellent/idcplg...pnote=en010982

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  9. - 3rd February 2008, 17:19 #9
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    Here's a collection of different ways to compute logarithms
    http://www.dattalo.com/technical/theory/logs.html

    Here's an 8-bit logarithm algorithm that executes between 15 and 103 cycles. This version is based on a table look-up plus first order interpolation
    http://www.dattalo.com/technical/sof...ic/piclog.html

    Maybe of interest

    Duncan
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