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312 Functions and commands
Sj
Square root. Also accepts complex numbers.
)
√value
Example:
√320 returns 17.88854382
k
x raised to the power of y. Also accepts complex numbers.
value
power
Example:
2
8
returns 256
Sk
The nth root of x.
root√value
Example:
3√8 returns 2
S
n
Reciprocal.
value
-1
Example:
3
-1
returns .333333333333
Q-
Negation. Also accepts complex numbers.
-value
Example:
-(1+2*i) returns -1-2*i
SQ
(|x|) Absolute value.
|value|
|x+y*i|
|matrix|
For a complex number, |x+y*i| returns . For a
matrix, |matrix| returns the Frobenius norm of the matrix.
Example:
|–1| returns 1
|(1,2)|returns 2.2360679775
x
2
y
2
+