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(28/48/50) Lambert W Function
03-21-2023, 06:15 AM
Post: #3
RE: (28/48/50) Lambert W Function
This programme works for positive reals - I'm interested in the comparison of accuracy:

Code:
::
  CK1&Dispatch
  BINT1
  ::
    '
    ID 0
    TRUE
    3PICK3PICK
    DUP'
    %EXP
    '
    %*
    '
    %-
    BINT6
    SYMBN
    3PICK
    5PICK
    DUP
    % 500.
    %<=
    ITE
    ::
      %1+
      %LN
      DUP
      % .0195
      %*
      %1+
      %*
      % .665
      %*
      % .04
      %+
    ;
    ::
      DUP
      %4
      %-
      %LN
      SWAP
      %LN
      %1
      OVER
      %1/
      %-
      SWAP
      %LN
      %*
      %-
    ;
    NUMSOLVE
    2DROP
    SWAP
    ?PURGE_HERE
    SWAP
    xDROP
  ;
;
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Messages In This Thread
(28/48/50) Lambert W Function - John Keith - 03-20-2023, 08:43 PM
RE: (28/48/50) Lambert W Function - Gerald H - 03-21-2023 06:15 AM
RE: (28/48/50) Lambert W Function - Gil - 01-29-2024, 11:04 AM
RE: (28/48/50) Lambert W Function - Gil - 01-29-2024, 02:47 PM
RE: (28/48/50) Lambert W Function - Gil - 01-29-2024, 06:46 PM
RE: (28/48/50) Lambert W Function - Gil - 01-29-2024, 09:50 PM
RE: (28/48/50) Lambert W Function - Gil - 01-30-2024, 12:33 AM
RE: (28/48/50) Lambert W Function - Gil - 01-30-2024, 12:04 PM
RE: (28/48/50) Lambert W Function - Gil - 01-30-2024, 02:52 PM
RE: (28/48/50) Lambert W Function - Gil - 01-31-2024, 07:10 PM



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