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Matrix multiplication/C/3-2i 1+5i 0 7i 2+i 4-i times 1-2i -i 3-4i 2+3i 5-7i 2-i/Exercise
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Matrix multiplication
Compute, over the complex numbers, the following product of matrices
(
3
−
2
i
1
+
5
i
0
7
i
2
+
i
4
−
i
)
(
1
−
2
i
−
i
3
−
4
i
2
+
3
i
5
−
7
i
2
−
i
)
.
{\displaystyle {\begin{pmatrix}3-2{\mathrm {i} }&1+5{\mathrm {i} }&0\\7{\mathrm {i} }&2+{\mathrm {i} }&4-{\mathrm {i} }\end{pmatrix}}{\begin{pmatrix}1-2{\mathrm {i} }&-{\mathrm {i} }\\3-4{\mathrm {i} }&2+3{\mathrm {i} }\\5-7{\mathrm {i} }&2-{\mathrm {i} }\end{pmatrix}}.}
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