Remove the bins indicated by the mask array
Syntax:
>> wout = mask (win, mask_array)
Input:
------
win Input sqw object
mask_array Array of 1 or 0 (or true or false) that indicate
which points to retain.
Numeric or logical array of same number of elements
as the data.
Note: mask will be applied to the stored data array
according as the projection axes, not the display axes.
Thus permuting the display axes does not alter the
effect of masking the data.
Output:
-------
wout Output dataset.