I give you code generate edge detection an image processing using prewit algorithm which based on kernel matrix. it is not used matlab toolbox but handmade. so feel free to use it.

DETEKSI TEPI DENGAN PREWITT\ALGORITMA PREWITT.docx
...........................\ALGORITMA ROBERT dan PREWITT UNTUK DETEKSI TEPI OBJEK PADA CITRA DIGITAL.pdf
...........................\deteksitepidenganprewitt.m
...........................\hasil prewitt.jpg
...........................\sepatuku.jpg
DETEKSI TEPI DENGAN PREWITT

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．