<p>我想在python中找到3d数组的最大值。
我试过了</p>
<pre><code>image_file1 = open("lena256x256.bmp","rb")
img_i = PIL.Image.open(image_file1)
pix = numpy.array(img_i);
maxval= max(pix)
</code></pre>
<p>但我犯了个错误</p>
<pre><code> File "test.py", line 31, in <module>
maxval= max(pix)
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
</code></pre>
<p>我在这里看不到我的错误,请帮帮我。</p>