User manual - fx-115ES_570ES.etc_Appendix

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#101
14(MATRIX)7(det)1
MAT
4(MATRIX)3(MatA))=
#102
14(MATRIX)8(Trn)
MAT
14(MATRIX)5(MatC))
=
MAT
det a
11
= a
11
det = a
11
a
22
– a
12
a
21
a
11
a
12
a
21
a
22
det
=
a
11
a
22
a
33
+ a
12
a
23
a
31
+ a
13
a
21
a
32
– a
13
a
22
a
31
– a
12
a
21
a
33
– a
11
a
23
a
32
a
11
a
12
a
13
a
21
a
22
a
23
a
31
a
32
a
33