DADiSP 6.7 B02 Release Notes

New Functions

Over 80 new functions have been added to DADiSP 6.7. A full description of each function listed here is included in the on-line help system.

Data Processing

BLOCKMAX	Computes the non-overlapping block maximum of a series.
BLOCKMEDIAN	Computes the non-overlapping block median of a series.
BLOCKMIN	Computes the non-overlapping block minimum of a series.
CUMAVG	Computes the cumulative average of a series.
DIFF	Computes the 2 point difference of a series.
MOVMEDIAN	Computes the N-point moving median of a series.
REPCOLUMN	Replicates the columns of a series.
REPELEMENTS	Replicates individual elements of a series.
SEREXTRACT	Extracts multiple sections from a series.
VAVGS	Computes the point by point mean of one or more input arguments without zero padding.
VMEAN	Computes the mean of one or more input arguments.
VSUM	Computes the sum of one or more input arguments.
VSUM	Computes the point by point sum of one or more input arguments without zero padding.
XMINMAX	Returns the minimum and maximum of a series X values without copying or data generation.
XYDTTAB	Creates a table of multiple XY series from date, time and Y series.
XYTAB	Creates a table of multiple XY series from a table.

Data Generation

GVALARRAY	Generates an array of all the same real value.
GSAWTOOTH	Generates a sawtooth series.

Signal Processing

ADDPHASE	Adds a constant phase to a series.
CAS2SOS	Converts cascade form filter coefficients to second order section form.
CAS2TF	Converts cascade form filter coefficients to direct form.
CAS2ZP	Converts cascade form filter coefficients to zeros, poles and gain.
DEMODAM	Demodulates an amplitude modulated series.
IMPS	Computes the impulse response of a continuous system.
MEDFILT1	Performs median filtering of a series.
MODAM	Performs amplitude modulation of a series.
PHASEDIFF	Computes the phase difference between two sinusoids.
SGOLAY	Generates Savitzky-Golay smoothing filter coefficients.
SGOLAYFILT	Filters data with a Savitzky-Golay smoothing filter.
SOS2CAS	Converts second order section form coefficients to cascade form.
SOS2TF	Converts second order section form coefficients to direct form.
SOS2ZP	Converts second order section form coefficients to zero, poles and gain.
SOSFILT	Filters a series with coefficients in second order section form.
SPLANE	Displays a Pole-Zero plot of a S-transform.
STEPZ	Computes the step response of a Z-transform.
TF2CAS	Converts direct form coefficients to cascade form.
TF2SOS	Converts direct form coefficients to second order section form.
TF2ZP	Converts S plane transfer function form to zeros, poles and gain.
TF2ZPK	Converts Z plane transfer function form to zeros, poles and gain.
ZBPFILT	Performs band pass filtering by FFT zeroing.
ZBSFILT	Performs band stop filtering by FFT zeroing.
ZP2CAS	Converts zeros, poles and gain to cascade coefficient form.
ZP2SOS	Converts zeros, poles and gain to second order section form.
ZP2TF	Converts zeros, poles and gain to transfer function form.

Statistics

BINCOEFF	Calculates the generalized binomial coefficient.
COLRMS	Calculates the RMS for each column of an array.
NCHOOSEK	Returns the unordered combinations of N elements in groups of K.
PASCAL	Returns Pascal's Triangle.
STATSUM	Computes summary statistics for one or more series.

Cursor Functions

CUREXTRACT	Extracts one or more series from a source window based on cursor indices.
CURLOCSET	Sets cursor X locations of one or more windows based on a source window.
CURPOSSET	Sets cursor index positions of one or more windows based on a source window.
CURXEXTRACT	Extracts one or more series from a source window based on cursor X locations.

Special Functions

BETAINCINV	Computes the inverse regularized incomplete beta function.
COSINT	Computes the cosine integral.
DAWSON	Computes the Dawson integral.
EXPINTEI	Computes the Cauchy principal value exponential integral.
ERFCX	Computes the scaled complementary error function.
ERFI	Computes the imaginary error function.
FACTORIAL	Computes the factorial for positive integers.
FADDEEVA	Computes the Faddeeva function.
GAMMAINCINV	Computes the inverse regularized incomplete gamma function.
HANKEL	Generates a Hankel matrix.
SININT	Computes the sine integral.
TOEPLITZ	Generates a Toeplitz matrix.
VANDER	Generates a Vandermonde matrix.

Colors

CLEARSHADING	Removes shading from a list of windows.
COLORTORGB	Converts a color index into RGB values.
GETCOLOR	Returns the color of a series.
RGBTOCOLOR	Converts RGB values into a color index.
SETCOLORBARLABEL	Sets the label for a COLORBAR.

Annotations

COMLABEL	Title an Window with the series comment.
COMXLABEL	Labels the X axis with the X series comment and units.
COMXYLABEL	Labels the X and Y axis with the X and Y series comment and units.
COMYLABEL	Labels the Y axis with the series comment and units.
SERXLABEL	Labels the X axis with the series name and units.
SERYLABEL	Labels the Y axis with the series name and units.

Misc

\|^	New operator performs bitwise exclusive or.
__FILE__ __FILENAME__ __FUNC__ __LINE__	New macros return the filename, function name and line number of the current SPL routine.
GETCOMPUTER	returns the computer, CPU or OS type.
GETITEM	Returns a single item from a window.
ISWINEMPTY	Returns 1 if a window does not contain a series.
LOGLOG	Sets the X and Y axis to log scales for one or more windows.
SEMILOGX	Sets the X axis to log scales and the Y axis to linear scales for one or more windows.
SEMILOGY	Sets the Y axis to log scales and the X axis to linear scales for one or more windows.
SETXRANGE	Sets the X axis plotting and autoscale range such that the first and last tics are labeled
SETYRANGE	Sets the Y axis plotting and autoscale range such that the first and last tics are labeled
UNIXDT	Converts a series of UNIX time values to date/time values.
WINFLIPX	Flips the X scales of a window.
WINFLIPY	Flips the Y scales of a window.

Improvements and Changes

64-bit processing supports full on board memory access on 64-bit Windows.

LARGEADDRESS mode supports more program memory on 32-bit Windows.

Faster and more accurate implementation of ERF, ERFC and ERFCX by using the complex FADDEEVA function.

GAMMA and GAMMALN use fast Lanczos approximation for speed and accuracy.

EXPM employs an algoithm developed by N. Higham for increased speed and accuracy when used with ProPac.

MOVMAX and MOVMIN handle complex series.

Date/time axes supported for XYZ and surface plots.

PRESERVE_WINDOW_LABELS configuration parameter supports "sticky" window labels.

DEFAULT_LAYOUT configuration parameter supports startup window layout.

TIC_X_STYLE and TIC_Y_STYLE configuration parameters determine if a plot is automatically scaled on X/Y tic marks or data range.

LOCALE_FORMAT_NUMERIC configuration parameter supports adding thousands separator for numeric display, e.g. 10000 displays as 10,000.

Modeless Function Wizard for easier point and click function selection.

Expanded TeX equation formatting support for extensive math and symbol annotations.

X data with NaN values plot as gaps.

Y data with NaN values plot as gaps for XYZ and surface plots.

Faster loading of Worksheets with big data.

UpDown GUI selections support 32 bit integer values.

Low density plots move faster via mouse.

Faster X log plots.

Log plots support all negative X and Y values.

LDERIV and RDERIV accept an optional endpoint method parameter.

New Features | SPL Debugger

Products

6.7 Release Notes