- abs
Absolute value.
- absarea
The total area between the curve and the independent axis regardless of sign.
- abstorelative
Changes the reference to a file from absolute (root directory) to relative. The relative path will be the difference between path_1 and path_2.
- acos
Trigonometric arccosine function.
- akima
Akima spline interpolation function.
- akimaderivative
Returns the akimaderivative values for a given new x vector.
- array
Creates an empty vector or matrix.
- asc
ASCII value.
- asdcal
Amplitude Spectral Density function, which supports blocks, windows, overlap, and averages.
- asin
Trigonometric arcsine function.
- atan
Trigonometric arctangent function.
- atan2
Trigonometric arctangent (quadrant dependent) function.
- atoi
ASCII to integer converter.
- avgdev
Average deviation from the mean.
- batch
Batch digital filter.
- batchpolyfit
Polyfit plus batch digital filter. batchpolyfit fits a polynomial to the data and subtracts that polynomial from the data, leaving only the residuals. It batch filters the residuals, then adds the polynomial back in.
- bins
Creates bins for the probability density function, pdf.
- blackman
Blackman windowing function.
- blockfftimag
The imaginary component of a Fast Fourier Transform (FFT) calculated using blocking.
- blockfftmag
The magnitude of a Fast Fourier Transform (FFT) calculated using blocking.
- blockfftphase
The phase angle of a Fast Fourier Transform (FFT) calculated using blocking.
- blockfftreal
The real component of a Fast Fourier Transform (FFT) calculated using blocking.
- blockfrfimag
Imaginary component of a Frequency Response Function (FRF) calculated using blocking.
- blockfrfmag
The magnitude of a Frequency Response Function (FRF) calculated using blocking.
- blockfrfphase
Phase angle of a Frequency Response Function (FRF) calculated using blocking.
- blockfrfreal
Real component of a Frequency Response Function (FRF) calculated using blocking.
- cat
Concatenation function.
- catoffset
Attach vectors function.
- cdf
Returns the cumulative probability that a real-valued random variable x with a given continuous distribution will be found to have a value less than or equal to x.
- cellmax
Returns the maximum value of the referenced cells.
- cellmean
Calculates the mean value of the referenced cells.
- cellmin
Returns the minimum value of the referenced cells.
- cellrange
Returns a vector of all referenced cell values of type scalar. This can be used to draw curves in HyperGraph based on cell values.
- cellrms
Calculates the rms (the square root of the arithmetic mean of the squares) of the referenced cells.
- cellrss
Calculates the rss (square root of the arithmetic sum of the squares) of the referenced cells.
- cellsum
Calculates the sum of the referenced cells.
- centroid
Center of the area under a curve.
- chr
Returns the corresponding ASCII character for a given number.
- cint
Closest integer function.
- coherence
Coherence function.
- convert
Converts string to integer value.
- correl
Returns the correlation coefficient of the given curve vectors.
- cos
Trigonometric cosine function.
- cosh
Hyperbolic cosine function.
- cr
Inserts a carriage return character.
- curveenv
Curve Envelope Templex function, which allows you to create a minimum and maximum envelope across given set of curves.
- curvelabel
Returns the label of a curve being exported.
- curvelength
Length of a segmented path along a curve.
- curveproduct
Multiplies multiple curves which have overlapping x vectors.
- curvesum
Adds multiple curves which have overlapping x vectors.
- curvesync
Creates a new x vector from the x vectors of multiple curves in the range between the maximum of all minima and the minimum of all maxima. All curves must have an overlapping x range. The returned vector contains only the points of the vector which has the most points in this range.
- curvex
Returns the X vector of a curve being exported or a curve in the current plot.
- curvey
Returns the Y vector of a curve being exported or a curve in the current plot.
- date
System date function.
- dba
Acoustic A-weighting function.
- dbb
Acoustic B-weighting function.
- dbc
Acoustic C-weighting function.
- dbu
Acoustic U-weighting function.
- dcorr
Cross correlation function using discrete Fourier Transforms (dFT).
- delta
The difference between the first and last points of a vector.
- derivative
Curve derivative function.
- determinant
Matrix determinant function.
- deviation_metric
Calculates the deviation metric for dynamic stiffness, loss angle curves.
- dfreq
Frequency vector function.
- dftimag
Imaginary component of a discrete Fourier Transform (dFT) function.
- dftmag
Magnitude of a discrete Fourier Transform (dFT) function.
- dftphase
Phase angle of a discrete Fourier Transform (dFT) function.
- dftreal
Real component of a discrete Fourier Transform (dFT) function.
- dtor
Convert degrees to radians.
- eigvalimag
Imaginary eigenvalues of a matrix.
- eigvalreal
Real eigenvalues of a matrix.
- eigvecimag
Imaginary eigenvectors of a matrix.
- eigvecreal
Real eigenvectors of a matrix.
- eval
Evaluates the contents of a string as an expression.
- exp
Exponential function.
- expfit
Exponential least-squares curve fit function.
- extern
- fcorr
Cross correlation function using Fast Fourier Transforms (FFT).
- fftimag
Imaginary component of a Fast Fourier Transform (FFT) function.
- fftmag
Magnitude of a Fast Fourier Transform (FFT) function. FFTMag performs a frequency analysis on a single curve's data and produces an output that indicates the magnitude of the frequency content of the input file.
- fftphase
Phase angle of a Fast Fourier Transform (FFT) function.
- fftreal
Real component of a Fast Fourier Transform (FFT) function.
- fileclose
Closes an open file.
- fileexists
Tests whether a file exists.
- filefindstring
Locates a string in an open file.
- fileinfo
Returns information about a file.
- fileopen
Opens a file for reading or writing.
- fill
Passes a source string through the Templex parser.
- fold
Magnitude folding function.
- freeze
Locks the value of the specified variable.
- freq
Frequency vector function.
- frfimag
Imaginary component of a Frequency Response Function (FRF) function.
- frfmag
Magnitude of a Frequency Response Function (FRF) function.
- frfphase
Phase angle of a Frequency Response Function (FRF) function.
- frfreal
Real component of a Frequency Response Function (FRF) function.
- getenv
Returns the value of an environment variable.
- getval2
Returns the value of a vector at the same index of a specified value in a corresponding vector.
- getvalue
Gets a value corresponding to a name for a particular data channel.
- hamming
Hamming windowing function.
- hanning
Hanning windowing function.
- hilbert
Hilbert transform function.
- idft
Real component of an inverse Discrete Fourier Transform (IDFT) function.
- ifft
Real component of an inverse Fast Fourier Transform (iFFT) function.
- iffunc
Chooses between two values based on a third value.
- indexofmax
Index of vector maximum value function.
- indexofmin
Index of vector minimum value function.
- int
Integer function.
- integral
The integral function.
- intercepts
- intersect
- invcdf
Returns the standard normal value for a given cumulative (Gaussian) probability.
- inverse
Matrix inversion function.
- irfilter
Impulse response filter function.
- itoa
Integer to ASCII converter.
- kaiser
Kaiser-Bessel windowing function.
- lininterp
Linear interpolation function.
- log, ln
Natural logarithm (base e).
- log10
Common logarithm (base 10).
- logint
Logarithmic interpolation function.
- mag
Magnitude function.
- max
Maximum value function.
- maxindex
Maximum index of the vector.
- mean
Statistical mean function.
- median
Statistical median of a data set.
- mid
Returns a subrange out of a string.
- min
Minimum value function.
- mstep
For a given set of x values, returns a vector of values that smoothly transitions from (or steps from) one level of y value to another. This function can create a vector that has many steps and can use different forms of interpolating step functions.
- nr
The Newton-Raphson method uses an iterative process to approach one root of a function.
- nonlinfit
Returns a vector of fitted points according to the equation specified.
- numcurves
- numpts
The element counting function.
- OLC
The OLC function is able to calculate both the Occupant Load Criteria (OLC) and OLC++. OLC++ combines OLC with the time of maximum deformation (Tv=0) and the sliding mean integral over a window of 25 ms (SM25), as shown in the formulas below.
- parzen
Parzen windowing function.
- pdf
Probability density function.
- peaks
Determines all of the local extreme values of a vector.
- polyfit
Polynomial least squares curve fit function.
- polyrootsimag
Imaginary roots of a polynomial.
- polyrootsreal
Real roots of a polynomial.
- polyval
Evaluates a given polynomial using specified coefficients and datapoints.
- projectcurvetosurface
Projects a curve onto a surface or waterfall plot and returns the specified channel’s values of the projection in the specified direction.
- psd
Power spectral density function.
- psd5
Modified power spectral density function.
- rand
Random number generator.
- read
Returns a vector from the specified data file.
- readsim
Returns a vector or matrix of values based on the channel name (string), not on the index. Indices will only be used for specifying the range of the returned vector.
- readsubcase
Returns a vector from the specified data file.
- relativetoabs
Changes the reference to a file from relative to absolute.
- reldisp
The relative displacement (reldisp) math function allows you to transform vector results from time history or animation result files according to a coordinate system defined by three nodes from the same result file.
- remove_succ_dup_indx
Takes a vector and returns a vector containing the indices of the points from the input vector, which are non-duplicate points (for successive points).
- replace
Replaces one substring with another.
- resampresp
Creates a vector of resampled response values.
- resamprevs
Creates a vector of resampled revolution values.
- resamptime
Creates a vector of resampled time values.
- resvector
Returns a vector or matrix of values at a given timestep.
- rms
Root mean square of a vector.
- rrs
The rrs (Random Response Spectrum) is a standard mathematical function that is commonly used in random load analyses for space systems. The rrs is defined as the rms response of a 1-DOF system as a function of its natural frequency for a given damping ratio.
- rtod
Convert radians to degrees.
- saefilter
SAE class filter.
- sgcm
Returns a vector with four values: combined metric, SG combined metric, magnitude, and phase difference.
- signedarea
Calculates the area between the curve and the independent axis according to sign.
- sin
Trigonometric sine function.
- sinh
Hyperbolic sine function.
- size
Computes the dimensions of an expression.
- skewness
Skewness of a distribution.
- smean (sliding mean integral)
Sliding mean integral filter. Smooths the curve by moving a sliding window over the curve and calculating the mean value. This is done by calculating the area of the sliding window regardless of whether or not there are points at the window boundary, and divides this area by the window size.
- sort
Sorts arrays based on a key.
- spline
Cubic spline interpolation function.
- srs
Shock response system standard mathematical function that is commonly used in space systems, with acceleration time history as the base input.
- sqrt
Algebraic square root function.
- stfreq
Creates a vector of frequency values for use in a short time waterfall plot.
- stft
Creates a vector of short time Fourier transform outputs.
- storder
Creates a vector of order values for use in a short time waterfall plot.
- strchr
Searches forward for a character within a string starting at the beginning of an array.
- stringarray
Generates a structure for a string array of a specified size.
- strlen
Returns the length of the string.
- strrchr
Searches backward for a character within a string starting at the end of the string
- strsegrevs
Creates a vector of unevenly spaced times that segment an input time vector for use in a short time resampled waterfall plot.
- strsegrps
Creates a vector of unevenly spaced times that segment an input time vector for use in a short time resampled waterfall plot.
- strstr
Searches for a substring within a string starting at the beginning of the array.
- stsegrps
Creates a vector of unevenly spaced times that segment an input time vector for use in a short time waterfall plot.
- stsegtime
Creates a vector of evenly spaced times that segment an input time vector for use in a short time waterfall plot.
- subrange
Vector subrange extractor.
- sum
The algebraic sum function.
- suppress
Removes spikes from a curve.
- sysid
Returns an ID string identifying the system on which Templex is being run.
- system
Passes a Unix command to a shell for execution and returns the result.
- tan
Trigonometric tangent function.
- tanh
Hyperbolic tangent function.
- tcleval
Executes a Tcl statement or an array of statements.
- tclevalfile
Executes a Tcl script file (or list of script files).
- tclgetvar
Retrieve the value of a Tcl variable as a string.
- thaw
Unlocks the values of the specified variable.
- time
System time function.
- timer
Returns the elapsed time.
- tolower
Converts a string to lowercase.
- toupper
Converts a string to uppercase.
- typeof
Returns the type of variable and identifies it as scalar, vector, or a string.
- variance
Describes the spread of distribution.
- vtdft
Creates a vector of variable time Discrete Fourier transform outputs.
- vtfreq
Creates a vector of frequency values for use in a variable time waterfall plot.
- vtorder
Creates a vector of frequency values for use in a variable time waterfall plot.
- vtsegrps
Creates a vector of unevenly spaced times that segment an input time vector for use in a variable time waterfall plot.
- vtsegtime
Creates a vector of evenly spaced times that segment an input time vector for use in a variable time waterfall plot.
- welch
Welch windowing function.
- wifac
Weighted Integrated Factor returns a vector with four values: peak, peak time, wifac, and total.
- zerocrossings
The number of sign reversals in a vector.
