why haart2 function isn't found in matlab ?

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Hadeer tawfik
Hadeer tawfik 2016-9-26
评论： Walter Roberson 2016-9-27
I am trying to use haart2 in matlab , but everytime it shows me this error
Undefined function or variable 'haart2'.
Error in haar (line 5)
[a2,h2,v2,d2] = haart2(im,2);
So i checked if i have the wavelet toolbox and it turns out that it exists in my matlab :
>> ver wavelet
---------------------------------------------------------------------------------------------
MATLAB Version: 8.5.0.197613 (R2015a)
MATLAB License Number: 161052
Operating System: Microsoft Windows 8 Pro Version 6.2 (Build 9200)
Java Version: Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) Client VM mixed mode
---------------------------------------------------------------------------------------------
Wavelet Toolbox Version 4.14.1 (R2015a)
so what is wrong?
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Steven Lord
Steven Lord 2016-9-26
According to the notes at the end of the documentation pages for the haart and haart2 functions, these two functions were introduced in Wavelet Toolbox in release R2016b. You will not be able to use them in earlier releases.
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Hadeer tawfik
Hadeer tawfik 2016-9-26
Thank you so much, Is there any other function that may replace them and give me the same result in r2015? i have found hlwt2 and can't find any documentation about it

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更多回答（1 个）

Adam
Adam 2016-9-26
So far as I can see the function in the Wavelet Toolbox is named
haart
so I'm not sure what your haar function is, but it isn't the one from the toolbox unless it is an old version.
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Hadeer tawfik
Hadeer tawfik 2016-9-26
编辑：Hadeer tawfik 2016-9-26
I am having 2015a version , and both haart and haar don't exist, what do u suggest me to do ?

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