Using the new histogram command with 'probability' normalisation

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Hello,

I am trying to use the histogram command. I have 2 problems, one of them is minor, but the other is really holding me back at the moment

(1): The help site of the command http://uk.mathworks.com/help/matlab/ref/histogram.html says that

h = histogram(x)

will automatically display the histogram (I am using 2015a). For me it just creates the structure without displaying the histogram itself. I am using separately the bar command - - bar(h.bins,h.allData.counts) - to display the results. This is not a big trouble, but wonder if the documentation is wrong or if I am doing something wrong

(2): More importantly when I try to normalise the histogram with respect to the probability, then I get the following error:

x = randn(1000,1);
h = histogram(x,'Normalization','probability')
In an assignment  A(I) = B, the
number of elements in B and I must
be the same.
Error in linspace (line 33)
    y(1) = d1;
Error in histogram (line 193)
bins = linspace(minEdge +
halfResolution, maxEdge -
halfResolution, ...