## S3 method for class 'optObj_clpAPI':
delProb(lp, ...)## S3 method for class 'optObj_cplexAPI':
delProb(lp, closeEnv = TRUE)
## S3 method for class 'optObj_glpkAPI':
delProb(lp, ...)
## S3 method for class 'optObj_lpSolveAPI':
delProb(lp, ...)
optObj.TRUE, the CPLEX environment assicciated
with the problem object will be closed also. Otherwise not.
Default: TRUE.optObj and constructor function
optObj.