matrice6n
(* prodotto di due matrici *)
matrice1={{2,-4,1},{3,6,-2}};
matrice2={{6,1},{3,-8},{-1,0}};
MatrixForm[matrice1.matrice2]
MatrixForm[{{-1, 34}, {38, -45}}]
;[o]
-1 34
38 -45
MatrixForm[matrice2.matrice1]
MatrixForm[{{15, -18, 4}, {-18, -60, 19}, {-2, 4, -1}}]
;[o]
15 -18 4
-18 -60 19
-2 4 -1
a={{1,2},{-3,4}};
b={{2,5},{6,1}};
MatrixForm[a.b]
MatrixForm[b.a]
MatrixForm[a b]
MatrixForm[{{14, 7}, {18, -11}}]
;[o]
14 7
18 -11
MatrixForm[{{-13, 24}, {3, 16}}]
;[o]
-13 24
3 16
MatrixForm[{{2, 10}, {-18, 4}}]
;[o]
2 10
-18 4
(* prodotto matrice con vettore *)
matrice1={{1,2,3},{4,5,6}};
vettore={2,3};
MatrixForm[matrice1 vettore]
MatrixForm[{{2, 4, 6}, {12, 15, 18}}]
;[o]
2 4 6
12 15 18
(* matrice per costante *)
matrice2={{1,2,3},{4,5,6}};
k=10;
MatrixForm[matrice2 k]
MatrixForm[{{10, 20, 30}, {40, 50, 60}}]
;[o]
10 20 30
40 50 60
(* stampa matrice *)
matrice3={{1,2,3},{4,5,6}};
MatrixForm[matrice3]
TableForm[matrice3]
MatrixForm[{{1, 2, 3}, {4, 5, 6}}]
;[o]
1 2 3
4 5 6
TableForm[{{1, 2, 3}, {4, 5, 6}}]
;[o]
1 2 3
4 5 6
(* crea matrice 2 per 3 *)
(* stampa tabella matrice *)
matrice4=Table[10 (i+j),{i,2},{j,3}]
MatrixForm[matrice4]
TableForm[matrice4]
{{20, 30, 40}, {30, 40, 50}}
;[o]
{{20, 30, 40}, {30, 40, 50}}
MatrixForm[{{20, 30, 40}, {30, 40, 50}}]
;[o]
20 30 40
30 40 50
TableForm[{{20, 30, 40}, {30, 40, 50}}]
;[o]
20 30 40
30 40 50