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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. |