matlab矩阵元素取绝对值
时间: 2023-09-28 15:10:32 浏览: 752
在Matlab中,可以使用abs函数来对矩阵的元素进行取绝对值操作。对于一个矩阵x,可以使用abs(x)来对矩阵中的每个元素分别取绝对值,并返回一个相同大小的矩阵。例如,如果有一个矩阵A = [1, -2; -3, 4],那么abs(A)将返回一个矩阵,其中每个元素都是对应元素的绝对值。因此,abs(A)的结果将是[1, 2; 3, 4]。 <span class="em">1</span><span class="em">2</span><span class="em">3</span><span class="em">4</span>
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