java.io.IOException: CreateProcess: matlab error=2

I'm using matlab it is call by a class what its name is "Engine"

I'm working in linux and works fine, I want to know how can I do that with windows.
I found on Internet a class call MatlabControl, that uses all .jar of matlab.
But it gives to me problems when I try to create a matlab object

Code:

---

try {
            Process p = Runtime.getRuntime().exec("matlab");
        } catch (IOException ex) {
            ex.printStackTrace();
        }

---

And this is the exception:

Code:

---

java.io.IOException: CreateProcess: matlab error=2
        at java.lang.ProcessImpl.create(Native Method)
        at java.lang.ProcessImpl.<init>(ProcessImpl.java:81)
        at java.lang.ProcessImpl.start(ProcessImpl.java:30)
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:451)
        at java.lang.Runtime.exec(Runtime.java:591)
        at java.lang.Runtime.exec(Runtime.java:429)
        at java.lang.Runtime.exec(Runtime.java:326)
        at matlab.Main.main(Main.java:32)

---

Can you help me?

CreateProcess error=2, trying to open xml file
When Runtime.exec() won't - Java World

try {
String[] cmd = new String[4];
cmd[0] = "cmd.exe";
cmd[1] = "/C";
cmd[2] = "start";
cmd[3] = "D:\\examples\\invoices\\2-1-20070625061706-ABC.xls";
// cmd[3] = "will.xls";
// cmd[3] = "mailto:";
// cmd[3] = "a.html";
// cmd[3] = "file:/c:/java/temp/a.html";

Process process = Runtime.getRuntime().exec( cmd );
} catch (IOException e) {
e.printStackTrace();
}

it works!!!
thanks pgandle!

Could you please tell me what cmd[3] is standing for?
cmd[0] is the executable file name I think ... but I ma not getting what cmd[3] is ?? is this for some logging purpose