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selectCurveCV ( string $CVsToSelect ) 
	 
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| Variable Name | Variable Type | Description | 
|---|---|---|
| $CVsToSelect: valid strings are "first", "last" and "all". | 
 // Select the first cv.
 selectCurveCV("first");
 // Select the last cv.
 selectCurveCV("last");
 // Select all cv's.
 selectCurveCV("all");