Table of Contents
Advertisement
) ⇒ ⇒ ⇒ ⇒
list1
real(
Returns the real parts of all elements.
) ⇒ ⇒ ⇒ ⇒
matrix1
real(
Returns the real parts of all elements.
4 4 4 4 Rect
MATH/Matrix/Vector ops menu
vector
4 4 4 4 Rect
Displays
vector must be of dimension 2 or 3 and can be a
row or a column.
Note:
conversion function. You can use it only at the
end of an entry line, and it does not update
Note: See also 4
complexValue
Displays
The
complexValue
However, an r
angle mode.
Note: You must use parentheses for an (rq)
polar entry.
ref()
MATH/Matrix menu
matrix1
ref(
[
,
Returns the row echelon form of
Optionally, any matrix element is treated as zero
if its absolute value is less than
is used only if the matrix has floating-point
entries and does not contain any symbolic
variables that have not been assigned a value.
Otherwise,
If you use ¥ ¸ or set the mode to
Exact/Approx=APPROXIMATE
are done using floating-point arithmetic.
If
tol
tolerance is calculated as:
ë 14 ù max(dim(
5
E
ù rowNorm(
Note: See also
862
list
matrix
in rectangular form [x, y, z]. The
vector
is a display-format instruction, not a
4 4 4 4 Rect
.
Polar
4 4 4 4 Rect
in rectangular form a+b
complexValue
can have any complex form.
e
i
q
entry causes an error in Degree
) ⇒ ⇒ ⇒ ⇒
tol
matrix
]
is ignored.
tol
is omitted or not used, the default
matrix1
matrix1
)
rref().
.
ans
i
.
ref([ ë 2, ë 2,0, ë 6;1, ë 1,9, ë 9; ë 5,
2,4, ë 4]) ¸
.
matrix1
. This tolerance
tol
[a,b,c;e,f,g] ! m1 ¸
, computations
ref(m1) ¸
))
Appendix A: Functions and Instructions
real({a+
ù b,3,
}) ¸
i
i
real([a+
ù b,3;c,
]) ¸
i
i
[3, pà 4, pà 6] 4 Rect ¸
3 ø ‡ 2
[
[a, b, c] ¸
a ø sin(b) ø sin(c) a ø cos(c)]
In Radian angle mode:
4
^( p /3) 4 Rect ¸
e
(4 p /3) 4 Rect ¸
In Gradian angle mode:
(1 100) 4 Rect ¸
In Degree angle mode:
(4 60) 4 Rect ¸
Note: To type 4 4 4 4 Rect from the keyboard, press
2 for the 4 4 4 4 operator. To type , press 2 '.
1 ë 2/5 ë 4/5
0
0
{a 3 0}
a 3
[
]
c 0
3 ø ‡ 2
3 ø ‡ 3
]
4
4
2
[a ø cos(b) ø sin(c)
p
4 ø
e
3
2+2 ø
i
3
ø
i
2+2 ø
i
ø
3
4/5
1
4/7
11/7
0
1
ë 62/71
[
]
a b c
e f g
f
g
1
e
e
a ø g ì c ø e
0 1
a ø f ì b ø e
Advertisement
Table of Contents
