Notes on computational linguistics.pdf - UCLA Department of ...

Stabler - Lx 185/209 2003
octave:1> x=[1,2]
x =
1 2
octave:2> y=[3;4]
y =
3
4
octave:3> z=[5,6;7,8]
z =
5 6
7 8
octave:4> x+x
ans =
2 4
octave:5> x+y
error: operator +: nonconformant arguments (op1 is 1x2, op2 is 2x1)
error: evaluating assignment expression near line 5, column 2
octave:5> 2*x
ans =
2 4
octave:6> x*y
ans = 11
octave:7> x*z
ans =
19 22
octave:8> y*x
ans =
3 6
4 8
octave:9> z*x
error: operator *: nonconformant arguments (op1 is 2x2, op2 is 1x2)
error: evaluating assignment expression near line 9, column 2
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