??? Undefined function or variable 'a'. Error in ==> E:\matlab\work\xinhao\am_usb_2psk_2fsk.m (pushbutton9_Callback) On line 682 ==> [f1,a]=find(a==max(max(psf)));
如下: Sub Max() Dim Arr, k%, i% Arr = Array(5, 2, 6, 9, 1) i = Application.Max(Arr) For k = 0 To UBound(Arr) If Arr(k) = i Then MsgBox "最大值为" & i & ",下标为" & k: Exit Sub Next End Sub