what I have to do to solve the error "Invalid or deleted object." while creation of histogram?

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Bhavneet Sharma 2019-3-5

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https://ww2.mathworks.cn/matlabcentral/answers/448349-what-i-have-to-do-to-solve-the-error-invalid-or-deleted-object-while-creation-of-histogram

评论： Steven Lord 2019-3-5

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I created a Histogram of the wav file :

[n, fs] = audioread('host.wav');
h = histogram(n);

then histogram has plotted and its porperties were displayed like as follows:

h = 
  Histogram with properties:
             Data: [62747×1 double]
           Values: [1×205 double]
          NumBins: 205
         BinEdges: [1×206 double]
         BinWidth: 100
        BinLimits: [-9300 11200]
    Normalization: 'count'
        FaceColor: 'auto'
        EdgeColor: [0 0 0]
        

When i tried to access the poperties of this histogram like

h.NumBins();

it gives an error as given below:

Invalid or deleted object.
Error in matlab.graphics.chart.primitive.Histogram/get.BinEdges
Error in matlab.graphics.chart.primitive.Histogram/get.NumBins

How to resolve this issue? Thanks in Advance

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Dennis 2019-3-5

Did you close the figure?

Are you using a script or functions?

Bhavneet Sharma 2019-3-5

yes I closed the figure.

I am using script.

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回答（1 个）

KSSV 2019-3-5

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Dont close the figure.....if you close the figure obviously you will get this error.

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Walter Roberson 2019-3-5

So call histogram again . Make it invisible if you want. You can create a figure just for this purpose .

Steven Lord 2019-3-5

在 MATLAB Online 中打开

Call histogram a second time to recreate the histogram object.

h = histogram(n);

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