DADiSP New Functions

DADiSP includes over 100 new functions. Full desciptions of each routine is included in the on-line help system.

ActiveX

castvariant     Convert to explicit Automation variant type
comfilestatus   Returns the Status of a Command File
excelpie        Demonstrates Automation of Excel
getobject       Connects to a Running ActiveX Server
msword2         Paste Worksheet into a Word Document
ws2html         Convert Worksheet to HTML via Word
xlget           Returns a Range of Values from Excel
xlinit          Starts an ActiveX Connection with Excel
xlput           Transfers a Range of Values to Excel

Color Manipulation

getcolormap     Retrieve Current Colormap
getcrange       Retrieve Current Color Range
resetmap        Reset Worksheet Colormap
savecmap        Save Colormap with Worksheet

Curve Fitting

expfit          Exponential Fit
invdistance     Inverse Distance 2D Griding
lsinfit         Known Frequency Sin Fit
powfit          Power Fit

Logical Functions

iscomplx        Tests for Complex Values
isempty         Tests for Empty Series
isinf           Tests for Infinite Values
isnan           Tests for NA Values
isreal          Tests for Real Values
isstr           Tests for string

Math Functions

erfcinv         Inverse Incomplete Error Function
erfinv          Inverse Error Function
makecartesian   Converts to Complex Cartesian
makepolar       Converts to Complex Polar
maxidx          Index of Maximum Value
maxloc          XY Location of Maximum Value
minidx          Index of Minimum Value
minloc          XY Location of Minimum Value
polyroot        Polynomial Roots
round           Round to Nearest Integer

Matrix Manipulation

^^              Matrix Power
/^              Matrix Right Divide
~^              Matrix Conjugate Transpose
chol            Cholesky Factorization
cond            Condition Number of a Matrix
eig             Combined Eigenvalue and Eigenvector Computation
fliplr          Reverses the Columns of a Matrix
flipud          Reverses the Rows of a Matrix
kron            Kronecker Tensor Product
norm            Matrix Norm
null            Orthogonal Basis for Null Space
orth            Orthogonal Basis using SVD
pinv            Pseudo-Inverse of a Matrix
rank            Number of Independent Rows or Columns
repmat          Repicates a Matrix Down and Across
trace           Diagonal Sum of a Matrix
tril            Lower Triangle of a Matrix
triu            Upper Triangle of a Matrix

Machine Metrics

eps             Minimum Positive Tolerance
inf             Numeric Representation of Positive Infinity
realmax         Largest Positive Number
realmin         Smallest Positive Number

Misc

getplotstyle    Retrieve Series Plotting Style
getplottype     Retrieve Series Plotting Type
gotourl         Starts Web Browser and Opens the Specified Page
onplot          Execute Commands when Plotting
rtspin          Real Time 3D Plot Spin
setcolheader    Label a Table Column
text            Arbitrary Text Annotation
unoverlay       Remove an Overlay

Plot

barctr          Center Bar Graph Bars on Values
bargap          Specify Gaps between Bars on Values
barstyle        Specify Bar Graph Reference Line
stepctr         Center Steps Plot on Values

Series Generation

gimpulse        Generate an Impulse with a Sample Rate
linspace        Generate Linear Spaced Values
logspace        Generate Log Spaced Values
magic           Generates a Magic Square
meshgrid        Generate XY Grid from Series

Series Manipulation

colextract      Extract from Columns
colidx          Returns the Indices for each Column
colprod         Returns the Product of each Column
deletecol       Deletes One or More Columns
deleterow       Deletes One or More Rows
demean          Removes Mean Value
idx             Returns the Indices of a Series
insert          Insert Values into a Series
numel           Returns the Total Number of Elements
replace         Replace Values in a Series
remove          Remove Values from a Series
vmax            Maximum of One or More Arguments
vmin            Minimum of One or More Arguments

Signal Processing

effbit          Effective Bit Calculation
deconv          Deconvolve two Series
fdeconv         Deconvolve two Series using the FFT
fftp2           2D Polar FFT
ifftp2          2D Polar Inverse FFT
rescale         Linearly Rescale Amplitude
zpfcoeff        Design Digital Filter from S Domain

SPL

argv            Specifies Variable Arguments in an SPL Routine
getargv         Retrieves a Variable Argument
loop            Optimized Simple Loop Processing

Statistics

hist            Fast Histogram
invprobn        Inverse Normal Cumulative Distribution
pdfnorm         Normal Probability Density Function

Utilities

copydataset     Copies a Dataset
copyseries      Copies a Series
deletelabbook   Deletes an Entire Labbook
exportworksheet Saves Worksheet to External DWK file
importworksheet Loads External DWK Worksheet file
openlabbook     Open a Labbook
numvwins        Number of Visible Windows
tic             Start Internal Timer
toc             Stop Internal Timer
which           Returns Path to SPL or Filename

Other Changes

ANS Variable    Result of the Last Scalar Expression
Command Form    splload myfun is Equivalent to splload("myfun")
Clear           Can Clear Windows, Variables and Functions
Ctrl-P          Copies Worksheet Bitmap to Clipboard
Matrix Solve    \^ Operator handles non-square matrices
Hex Display     Use Tools-Options-Preferences-Window Menu
a[j,k] = {}     Deletes elements, rows or columns