View source: R/initialInputCheck.R
| checkTypesOfInput | R Documentation | 
Creates an error message if any of the input types are not numeric even though they are configured to be numeric
checkTypesOfInput(x, lower, upper, control)
| x | is an optional start point (or set of start points), specified as a matrix. One row for each point, and one column for each optimized parameter. | 
| lower | is a vector that defines the lower boundary of search space. This determines also the dimensionality of the problem. | 
| upper | is a vector that defines the upper boundary of search space. | 
| control | is a list with control settings for spot. See  | 
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