When setting up a table interpolation function or a user CEL function, an argument or return value must be dimensionless, but the form will not accept a blank entry for the units. How can an argument to an interpolation function be dimensionless?
Dimensionless arguments or return values can be specified with empty square brackets. e.g. [] If there is more than one argument to a function, a comma separated list of units must be specified. Any of these may be dimensionless e.g. [m s^-1], [], [K], [] The same convention applies to argument lists in command language |
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