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Sobrecarga de Adição de Matrices

'+':

Python Listing: ../../Code/Matrix.py.

    def __add__(A,B):
        ## Matrix add: per row/column
        if ( len(A)!=len(B) ):
            print "Matrix.add: Incompatible dimensions",len(A),len(B)
            exit()

        #Matrix allocated with zeros (calloc)
        C=Matrix( len(A),len(A[0]) )
        for i in range( len(A) ):
            if ( len(A[i])!=len(B[i]) ):
                print "Matrix.add, row",i,": Incompatible dimensions",len(A[i]),len(B[i])
                exit()
                
            for j in range( len(A[i]) ):
                C[i][j]=1.0*( A[i][j]+B[i][j] )

        return C

'+=':

Python Listing: ../../Code/Matrix.py.

    def __iadd__(A,B):
        return A+B

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