what is the meaning of this error?

I just want to open the .pdf file with adobereader using matlab.For this I used these commands

x = 'rani.pdf';
str = sprintf('AdbeRdr11010_en_US.exe %s', x);
system(str);

while running this I got the output as "'AdbeRdr11010_en_US.exe' is not recognized as an internal or external command, operable program or batch file. " what it means? how can i open the pdf file is there any alternative?

Answer 1

[Massimo Zanetti]

Here the problem is not related to Matlab..

As far as I know opening a pdf from command line in Windows goes like this: path> start filename.pdf

provided path string points to the folder where the pdf is in..