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-rw-r--r--lisp/calc/calc-nlfit.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/calc/calc-nlfit.el b/lisp/calc/calc-nlfit.el
index 6f2a601cd99..5ed85fe7cae 100644
--- a/lisp/calc/calc-nlfit.el
+++ b/lisp/calc/calc-nlfit.el
@@ -665,6 +665,8 @@
(calc-handle-whys))
(defvar calc-curve-nvars)
+(defvar calc-curve-varnames)
+(defvar calc-curve-coefnames)
(defun math-nlfit-fit-curve (fn grad solnexpr initparms &optional sdv)
(calc-slow-wrapper