legend('sin(x)','cos(x)','Location','North');Matlab位置选择
设置位置'North'inside plot box near top'South'inside bottom'East'inside right'West'inside left'NorthEast'inside top right (default for 2-D plots)'NorthWest'inside top left'SouthEast'inside bottom right'SouthWest'inside bottom left'NorthOutside'outside plot box near top'SouthOutside'outside bottom'EastOutside'outside right'WestOutside'outside left'NorthEastOutside'outside top right (default for 3-D plots)'NorthWestOutside'outside top left'SouthEastOutside'outside bottom right'SouthWestOutside'outside bottom left'Best'least conflict with data in plot'BestOutside'least unused space outside plot
https://www.cnblogs.com/xym4869/p/12243271.html
