matlab画图colormap

在MATLAB中，colormap是用于指定图形的颜色映射的属性之一。colormap可以用来设置整个figure或者axes的颜色映射。可以使用内置的colormap函数，如colormap('parula')、colormap('cool')来设置颜色映射。还可以通过生成RGB矩阵来自定义colormap，如c = parula(200)生成一个200×3的RGB矩阵。通过get(gcf,'colormap')和get(gca,'colormap')可以获取当前figure和axes的colormap矩阵，通过set(gcf,'colormap',parula(200))和set(gca,'colormap',cool(200))可以设置当前figure和axes的colormap矩阵。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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