add set gpu and cross-validation

Xtra-Computing · Nov 2, 2017 · a290747 · a290747
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commit a290747
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diff --git a/docs/parameters.md b/docs/parameters.md
@@ -27,5 +27,7 @@ command line options:
 * _-h: whether to use the shrinking heuristics, 0 or 1 (default=1)_
 * -b: whether to train probabilistic SVC or SVR, 0 or 1 (default=0)
 * -wi: for weighted C-SVC, set the parameter C of class i to ``$ wi \times C $`` (default=1)
+* -v n: n-fold cross validation mode
+* -u n: specify which gpu to use (default=0)
 
 The options in italic are not applicable for GPUs, and the alternative optimizations are implemented with automatically setting working set size.