DataViewm Equation Set operations (Operations -> Equation Set)¶
Symbol:
Description:
Details:
Constants: (over-ridden by columns with same name)
pi
3.14159265 …
kb
Boltzmann constant (J/K)
kbev
Boltzmann constant (ev/K)
e0
permittivity of free space (F/cm)
qe
electron charge (C)
tabs
T(0C) (K)
Equation Set Unary Operations
-
z = -x
sign
z = sign(x)
x > 0 ? 1 : -1
reciprocal
z = reciprocal(x)
1/x
sqrt
z = sqrt(x)
square
z = square(x)
x^2
abs
z = abs(x)
sin
z = sin(x)
cos
z = cos(x)
tan
z = tan(x)
asin
z = asin(x)
acos
z = acos(x)
atan
z = atan(x)
exp
z = exp(x)
expm1
z = expm1(x)
exp(x) - 1
exp2
z = exp2(x)
2^x
log
z = log(x)
log10
z = log10(x)
log2
z = log2(x)
log1p
z = log1p(x)
ln(x+1)
sinh
z = sinh(x)
cosh
z = cosh(x)
tanh
z = tanh(x)
asinh
z = asinh(x)
acosh
z = acosh(x)
atanh
z = atanh(x)
degrees
z = degrees(x)
convert radians to degrees
radians
z = radians(x)
convert degrees to radians
deg2rad
z = deg2rad(x)
convert degrees to radians
rad2deg
z = rad2deg(x)
convert radians to degrees
rint
z = rint(x)
round to nearest integer
fix
z = fix(x)
round to nearest integer towards 0
floor
z = floor(x)
round to nearest integer below
ceil
z = ceil(x)
round to nearest integer above
trunc
z = trunc(x)
truncate
del
z = del(x)
difference between successive values
not
z = not(x)
logical not
!
z = !x
logical not
Equation Set Binary Operations
+
z = x + y
-
z = x - y
*
z = x * y
/
z = x / y
^
z = x ^ y
true_divide
z = true_divide(y, x)
floor_divide
z = floor_divide(y, x)
fmod
z = fmod(y, x)
remainder of division
mod
z = mod(y, x)
remainder of division
rem
z = rem(y, x)
remainder of division
hypot
z = hypot(y, x)
atan2
z = atan2(y, x)
max
z = max(x, y)
min
z = min(x, y)
integ
z = integ(y, x)
integration
dY/dX
z = dY/dX(y, x)
derivative
==
z = x == y
!=
z = x != y
<=
z = x <= y
>=
z = x >= y
<
z = x < y
>
z = x > y
&&
z = x && y
logical and
||
z = x || y
logical or
and
z = and(x, y)
logical and
or
z = or(x, y)
logical or
xor
z = xor(x, y)
logical xor