(x1x2) | |
×(x'1x'2) |
a | b | c |
d | e | f |
g | h | i |
-1 | 3 |
2 | -4 |
1 | 2 |
3 | 4 |
a1,1 | a1,2 | ⋯ | a1,n |
a2,1 | a2,2 | ⋯ | a2,n |
⋮ | ⋮ | ⋱ | ⋮ |
am,1 | am,2 | ⋯ | am,n |
1 | 2 |
3 | 4 |
1 | 2 |
3 | 4 |
56 | 16 | 0 |
[0.3em]56 | 0 | 16 |
[0.3em]0 | 56 | 16 |
1 | 2 |
3 | 4 |
1 | 2 |
3 | 4 |
1 | 2 |
3 | 4 |
1 | 2 | 3 |
4 | 5 | 6 |
7 | 8 | 9 |
1 | 2 | 3 |
4 | 5 | 6 |
7 | 8 | 9 |
1 | 2 | 3 |
4 | 5 | 6 |
7 | 8 | 9 |
1 | 2 | 3 |
---|---|---|
4 | 5 | 6 |
7 | 8 | 9 |
7C0 | hexadecimal |
3700 | octal |
11111000000 | binary |
1984 | decimal |
x | = | sinα | = | cosβ |
= | cos(π-α) | = | sin(π-β) |
In equation ([eq:xdef]) we saw $\dots$
∫1=x+C |
∫x=x22+C |
∫x2=x33+C |
$$ |x| = {
rl -x &
x &
. $$$$ F(x,y)=0 |
ccc F”xx & F”xy & F’x
F”yx & F”yy
& F’y
F’x & F’y & 0
| = 0 $$$$ $$