clf;
x=1:100; y=x;
plot(x,y,'b.'); hold on;; plot(x,sin(x),'g-.');
xlabel('test x');
ylabel('test y');
set(findall(gcf,'Type','text'),'FontSize',20,'FontName','Timew New Roman'); % 将文字设置为20号Times New Roman字体
set(gcf,'PaperPositionMode','auto');
print(gcf,'-djpeg','-r600','test1.jpg');

set(findall(gcf,'Type','text'),'FontSize',12,'FontName','Timew New Roman'); % 将文字设置为12号Times New Roman字体
set(gcf,'PaperPositionMode','auto');
print(gcf,'-djpeg','-r600','test2.jpg');

% centOS 6.5, Matlab R2013a, 系统自带的显卡驱动，Nvidia显卡的驱动未专门安装
>> opengl info
                          Version: '2.1 Mesa 10.4.3'
                           Vendor: 'Mesa Project'
                         Renderer: 'Software Rasterizer'
                   MaxTextureSize: 16384
                           Visual: 'Visual 0x104, (RGBA 32 bits (8 8 8 8), Z depth 24 bits, H...'
                         Software: 'false'
        SupportsGraphicsSmoothing: 0
    SupportsDepthPeelTransparency: 1
       SupportsAlignVertexCenters: 0
                       Extensions: {150x1 cell}
               MaxFrameBufferSize: 16384

% centOS 6.7, Matlab R2014b, 专门安装 Nvidia 显卡驱动
>> opengl info
                          Version: '4.5.0 NVIDIA 352.30'
                           Vendor: 'NVIDIA Corporation'
                         Renderer: 'GeForce GT 730/PCIe/SSE2'
                   MaxTextureSize: 16384
                           Visual: 'Visual 0x27, (RGBA 32 bits (8 8 8 8), Z depth 24 bits, Hardware acceleration, Double buffer, ...'
                         Software: 'false'
        SupportsGraphicsSmoothing: 1
    SupportsDepthPeelTransparency: 1
       SupportsAlignVertexCenters: 1
                       Extensions: {316x1 cell}
               MaxFrameBufferSize: 16384