matlab cosx

在MATLAB中，可以使用cos(x)函数来计算余弦函数的值，其中x是自变量。引用中的代码示例展示了如何使用plot函数绘制y=cos(x)的图像，并在标题中显示"y=cos(x)"。该函数将生成一个以x为横坐标，以cos(x)为纵坐标的曲线图。请注意，x的取值范围为-2π到2π，步长为0.05。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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