MATLAB: High error percentage after training neural network

Deep Learning Toolboxneural networkocr

Hello,
I am working on Handwritten character recognition .I have created feature vector of size 130*85 (since there are 5 samples for each character) and a target vector of size 130*26 (26 classes). But when I feed these to neural network , I am getting a high error percentage. Please tell me whether I am proceeding correctly.
Please find attached the input vector and the target vector files.
I have extracted the features using this code http://www.mathworks.in/matlabcentral/fileexchange/24624-feature-extraction-for-character-recognition

Best Answer

 [ 85 130 ] = size(input)
 [ 26 130 ] = size(target)
 What non-default input parameters did you use?
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