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NumPy Cursor

This repository contains a Python implementation of a cursor for NumPy matrices. The cursor allows you to conveniently move through a matrix and read or modify its values.

The cursor class has the following methods:

  • __init__(self, matrix): Initializes the cursor with a NumPy matrix.
  • left(self, steps=1): Moves the cursor left by steps columns.
  • right(self, steps=1): Moves the cursor right by steps columns.
  • up(self, steps=1): Moves the cursor up by steps rows.
  • down(self, steps=1): Moves the cursor down by steps rows.
  • move(self, row_steps, col_steps): Moves the cursor by row_steps rows and col_steps columns.
  • set(self, row, col): Set the cursor by row rows and col columns.
  • coordinates: Returns the current row and column coordinates of the cursor.
  • isEmpty: Returns True if the value of the matrix at the current cursor position is zero, and False otherwise.
  • setItem(self, item): Setting the value of the cursor cell by item.
  • __repr__(self): Returns a string representation of the value of the matrix at the current cursor position.
  • __str__(self): Returns a string representation of the value of the matrix at the current cursor position.

The implementation also includes error checking to prevent moving the cursor beyond the boundaries of the matrix.