Why it doesn’t work out?

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Desiree
Desiree 2019-8-22
评论： Star Strider 2019-8-22
I have an image im=imread(...)/255 and If want to take the 2d fft of a color then I use this:
im=im(:,:,1);
im_fft2=fft2;
Now if I want to do it using haart2, matlab won’t let me saying that haart2 requires Wavelet Toolbox. Then it says something like Showaadon(‘WA’,’haart2’). What does it mean? How I’m supposed to use this? I have the newest version R2019a

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Star Strider
Star Strider 2019-8-22
It means you also need the Wavelet Toolbox.
  2 个评论
Desiree
Desiree 2019-8-22
OK but how can I do it to have the wavelet toolbox? I don’t get how I can use it
Star Strider
Star Strider 2019-8-22
You have to purchase the Wavelet Toolbox, or (probably) download a trial of it. Then you can use its functions.
Click on the telephone handset icon in the upper right corner of this page, and see if you can Download a Trial of the Wavelet Toolbox, or Contact Sales to purchase it.

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