Full Command and Function Reference 3-161
Input/Output:
Level 1/Argument 1 Level 1/Item 1
Grob
→
SDEV
Type: Command
Description: Standard Deviation Command: Calculates the sample standard deviation of each of the m
columns of coordinate values in the current statistics matrix (reserved variable ΣDAT).
SDEV returns a vector of m real numbers, or a single real number if m = 1. The standard
deviation (the square root of the variances) is computed using this formula:
1
n 1–
------------
x
i
x–()
2
i 1=
n
∑
where x
i
is the ith coordinate value in a column, x is the mean of the data in this column, and n is
the number of data points.
Access:
…µ SDEV
Input/Output:
Level 1/Argument 1 Level 1/Item 1
→
x
sdev
→
[ x
sdev 1
x
sdev 2
...
x
sdev m
]
See also: MAXΣ, MEAN, MINΣ, PSDEV, PVAR, TOT, VAR
SEND
Type: Command
Description: Send Object Command: Sends a copy of the named objects to a Kermit device.
Data is always sent from a local Kermit, but can be sent either to another local Kermit (which
must execute RECV or RECN) or to a server Kermit.
To rename an object when sending it, include the old and new names in an embedded list.
Access: …µ
SEND
Flags: I/O Device flag (-33), I/O Data Format (-35), I/O Messages (-39)
Input/Output:
Level 1/Argument 1 Level 1/Item 1
'name'
→
{ name
1
... name
n
}
→
{{ name
old
name
new
} name ... }
→
See also: BAUD, CLOSEIO, CKSM, FINISH, KERRM, KGET, PARITY, RECN, RECV, SERVER,
TRANSIO
SEQ
Type: Command
Description: Sequential Calculation Command: Returns a list of results generated by repeatedly executing
obj
exec
using index over the range x
start
to x
end
, in increments of x
incr
.
obj
exec
is nominally a program or algebraic object that is a function of index, but can actually be an
object. index must be a global or local name. The remaining objects can be anything that will
evaluate to real numbers.
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