Win7 64位系统安装MATLAB 2014b或2015a不能画图的解决方法

大家好，以前用的是MATLAB2012a，并且用这个版本写了一些程序，现在想安装一下高版本的MATLAB2014b和2015a,但是在运行图像功能的时候总是出现

错误，不能出图像，我试过网上的建议，用命令在cmd中运行可以解决，但是总感觉这样不太好，错误如下：

MATLAB has experienced a low-level graphics error, and may not have drawn correctly.

Read about what you can do to prevent this issue at Resolving Low-Level Graphics Issues then restart MATLAB.

To share details of this issue with MathWorks technical support,

please include this file with your service request.

还有在做GUI的时候，希望做出的界面能够一开始最大化显示，于是添加以下命令：

javaFrame = get(gcf,'JavaFrame');

set(javaFrame,'Maximized',1);

在2012a版本的时候还可以，但是到了高版本就不行，总是出现以下信息：

java.lang.NullPointerException

at com.mathworks.hg.peer.FigureFrameProxy.setMaximized(FigureFrameProxy.java:302)

at com.mathworks.hg.peer.FigureMediator.setMaximized(FigureMediator.java:468)

at com.mathworks.hg.peer.FigurePeer.doSetMaximized(FigurePeer.java:3414)

at com.mathworks.hg.peer.FigurePeer$26.run(FigurePeer.java:3403)

at com.mathworks.hg.util.HGPeerQueue$HGPeerRunnablesRunner.runit(HGPeerQueue.java:294)

at com.mathworks.hg.util.HGPeerQueue$HGPeerRunnablesRunner.runNotThese(HGPeerQueue.java:326)

at com.mathworks.hg.util.HGPeerQueue$HGPeerRunnablesRunner.run(HGPeerQueue.java:342)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEventImpl(Unknown Source)

at java.awt.EventQueue.access$200(Unknown Source)

at java.awt.EventQueue$3.run(Unknown Source)

at java.awt.EventQueue$3.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)

我也查过现在了新的JAVA虚拟机，但是还是这样子。

我升级高版本主要是想用GUI中的uitabgroup功能，花了将近2周的时间来安装这些版本，来回装了好几次，还是不能解决，请高手指点，谢谢了

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