Trial Imaging Not Recognizing Functions

Why is it that I can't get Matlab's Image Processing Toolbox (Trial Pack) to run any sort of function? I can get as far as telling it to read and show an image before stonewalling. I follow the example here, which is pretty simple: http://www.mathworks.com/help/images/edge-detection.html#buh9ylp-13, but no luck. The error message reads: Undefined function or variable 'edge'.The file directory for when I do anything is: C/Program Files/MATLAB/R2016a/bin Am I perhaps supposed to be somewhere else so that it's able to read the function algorithms?

Answer 1

[Walter Roberson]

You should create your files somewhere else, in a directory that you own. Creating files in MATLAB's installation directories is going to cause problems -- the operating system is going to refuse permission to save anything there.

What is the output you see for

ver('images')
license('test','Image_Toolbox')
which edge

[Beth Chen]

The output for ver('images'):

MATLAB Version: 9.0.0.341360 (R2016a) MATLAB License Number: • Operating System: Microsoft Windows 10 Home Version 10.0 (Build 10586) Java Version: Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot™ 64-Bit Server VM mixed mode

------------------------------------------------------------

Warning: No properly formatted Contents.m file was found for 'images'. > In ver (line 54)

Output for license('test','Image_Toolbox'):

ans =

       1

Do I maybe have compatibility issues...? I've just been using edge(I), I know you can specify other types but Sobel should have been the default.

[Walter Roberson]

You are licensed for the product but you do not have it installed.