<img src="http://www.jishulink.com/platform/static/ueditor/dialogs/attachment/fileTypeImages/icon_doc.gif" alt='MATLAB如何用Chebyshev多项式拟合exp(-abs(x

补充一下：<img src="http://img.jishulink.com/upload/201706/1496319166328_QQ截图20170601201110.png" title="QQ截图20170601201110.png" style="max-width:760px;" alt="QQ截图20170601201110.png"/>