import matplotlib.pyplot as plt

A = matrix([[1,2,3],[4,5,6],[7,8,9]])

plt.matshow(A)

What am I missing?

1 | initial version |

import matplotlib.pyplot as plt

A = matrix([[1,2,3],[4,5,6],[7,8,9]])

plt.matshow(A)

What am I missing?

2 | No.2 Revision |

~~import matplotlib.pyplot as plt~~

A = matrix([[1,2,3],[4,5,6],[7,8,9]])

plt.matshow(A)

What am I missing?sage: matrix([2,3,4])

3 | No.3 Revision |

~~sage: matrix([2,3,4])~~import matplotlib.pyplot as plt

A = matrix([[1,2,3],[4,5,6],[7,8,9]])

plt.matshow(A)

What am I missing?

4 | No.4 Revision |

import matplotlib.pyplot as plt

A = matrix([[1,2,3],[4,5,6],[7,8,9]])

plt.matshow(A)

What am I missing?

5 | No.5 Revision |

What am I missing?

6 | restored question |

```
import matplotlib.pyplot as plt
A = matrix([[1,2,3],[4,5,6],[7,8,9]])
plt.matshow(A)
```

What am I missing?

7 | retagged |

```
import matplotlib.pyplot as plt
A = matrix([[1,2,3],[4,5,6],[7,8,9]])
plt.matshow(A)
```

What am I missing?