[matlab] matlab lesson 3 - advanced drawing

bar Instruction example ：


2. Equidistant sampling function ：

The knowledge gained from this program ：

① To ensure the accuracy of the image , When drawing images ,t Get as much as possible .
But because the sampling interval is 0.2. If the sampling interval and the tracing interval are regarded as the same , Then the painted image is not smooth , The error is very large . To solve this problem , Simply set two t, Two y, Draw... Separately .
②hold on; … hold of; It can display all images of the middle clip at the same time .