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(-) (-).
,
.
b.
(-) (-):
= [1.3; 5.4; 6.9];
b = [7.1; 3.5; 8.21];
+.
:
= + b;
.
, , , .
MATLAB . , , sin ( ) d. :
d = sin(c);
MATLAB . , , , .
, , . v,
v = [1.3, 3.6, 7.4, 8.2, 0.9];
, , :
h = v(4);
h 8.2.
. ,
v(2) = 555;
, v 555.
, :
u = [v(3); v(2); v(1)];
MATLAB . . w . :
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w(2:6) = 0;
:
- ,
- ( ),
- ,
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, , , .
.* . , :
u = v1.* v2;
.^ :
= v1.^ 2;
, . , .
. /
d = v1./v2;
( ) .\
. . MATLAB . .
b N, ,
.
, , b.
a´b , . . . . MATLAB cross.
N´M,
- a MATLAB N . - b - . - - , . , . MATLAB .