NumberCompose

NumberCompose[{c1,,cn},{u1,,un}]

returns the quantity c1 u1++cn un.

Details

  • The basis {u1,,un} is typically a list of nonincreasing positive numbers.
  • In NumberCompose[clist,ulist] the length of clist can be smaller than the length of ulist, and then clist is effectively padded with zeros on the left.

Examples

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Basic Examples  (2)

Add different denominations of money:

Add amounts of days, hours, minutes, and seconds to return seconds:

Scope  (1)

Compose exact numbers:

Compose inexact numbers:

Properties & Relations  (4)

The basic operation of NumberDecompose is Dot:

If the list of coefficients is shorter than the list of units, the former is left padded with zeros:

FromDMS is a special case of NumberCompose:

FromDigits with a MixedRadix specification performs a NumberCompose operation:

Introduced in 2015
 (10.2)