Freeware Listing: Fixed

This simulation illustrates the effects of the fixed-point computations on the closed-loop precision for a 16-bits PID controller. The rounding mode, the point where the truncations take place and the format width for the internal variable have a significant action on the closed-loop permanent error. Three versions of the same PI(D=0) controller are implemented : i) double (floating point), ii) 16 bits single precision (fixed point) and iii) 16-bits double precision (fixed point)..

  • Publisher: Gilles
  • Date: 19-06-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

SIXDOF Calculate aircraft fixed-mass rigid-body six-degrees-of-freedom equations of motion using MATLAB ODE45 solver. =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Inputs: =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Forces = 3x1 vector of forces in body coordinates Moments = 3x1 vectory of moments in body coordinates Mass = fixed mass of the aircraft Inertia = 3x3 Inertia Tensor matrix tarray = time series vector OPTIONAL INPUTS: Ipos_i = 3x1 vector of initial position Ivel_b = 3x1 vector of initial velocity (body) Irates_b = 3x1 vector of initial body rates Ieuler = 3x1 vector of initial euler angles =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Outputs: =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= t = simulation time y(1:3) = body rates y(4:6) = velocity in body coordinates y(7:9) = position in body coordinates.

  • Platform: Matlab, Scripts

An essential step in embedded software development, floating- to fixed-point conversion can be tedious, labor-intensive, and error-prone. System engineers frequently design algorithms in floating-point math, usually double-precision. This format represents the ideal algorithm behavior but takes little account of the algorithm's final realization in production software and hardware. Software engineers and suppliers in mass production environments often need to convert these algorithms to fixed-point math for their integer-only hardware. As a result, multiple iterations between system and software engineers are often required.

  • Publisher: Linda Webb
  • Date: 08-04-2013
  • Size: 492 KB
  • Platform: Matlab, Scripts

The user has to supply the fixed ending points before the script can be ran..

  • Platform: Matlab, Scripts

The algorithm computes the optimal route from a fixed predetermined starting point to all other cities without returning to the starting point..

  • Platform: Matlab, Scripts

ANALYZER for RECOVER Fixed/Floppy Disk V0.3 FREEWARE visually reports on bad sectors in system area of floppy disk. You can check if Boot Sector, FAT 1, FAT 2, and ROOT FOLDER sectors are good or bad. You find how much of remaining file system can help recover files when you use RECOVER Fixed/Floppy Disk. While RECOVER Fixed/Floppy Disk (RFD) brings simplicity into data recovery, ANALYZER for RECOVER Fixed/Floppy Disk V0.3 gives a head start to using RFD. When Boot Sector on floppy is bad, WINDOWS 98SE displays a window with this error message: The disk in drive A: is not formatted: Do you want to format it now? When 1st FAT sector on floppy is bad, WINDOWS 98SE displays the same error message for reasons known to itself.

  • Platform: MS-DOS, Win2000, WinOther

A Complete ERP solution that manages FA (Fixed Assets), AR (Accounts Receivable), AP (Accounts Payable), COA (Chart of Accounts), multi branch and multi department. Transactions including CI (Customer Invoice), SI (Supplier Invoice), DN (Debit Note), CN (Credit Note), RV (Receipt Voucher), PV (Payment Voucher) and JV (Journal Voucher), matching receipts and payments for customer invoices, supplier invoices, debit notes and credit notes. Data can be exported to a group of comma separated values files in one click. All transactions can be printed and filed. All standard accounting reports can be generated easily and quickly, reports include GL (General Ledger), TB (Trial Balance), Expenses, Customer and supplier Ageing, Profit/Loss and Balance Sheet.

  • Platform: WinOther

Use this calculator to create a reliable stream of investment income with ordinary bank CDs, bonds, or other fixed-rate investments. Free Online Income Ladder Calculator - Strategy for Dependable Investment Income. Calculate the ladder of fixed-rate investments needed to provide your desired investment income..

  • Platform: Win2000, Windows 7 Home Basic, Windows Server, Windows Vista, WinOther

Fixes menu to the same place in window regardless of user scrolling using position:fixed in css if it is available to remove any flicker. Has two levels of graceful degradation: it is repositioned after the scroll if the browser doesn't support position:fixed in css. If the browser is too old to do even that or javascript is disabled, it will just stay in its initial place..

  • Platform: JavaScript, Scripts
  • Rgrow
  • License: Freeware
  • Rating

RGrow resizes fixed length records e.g. RGrow.exe MyFile.seq 500 600 will grow each record from 500 to 600 bytes by padding binary zeros. Will also truncate records. These are not the old and new sizes of the file, but of the fixed length records in the file. If you increase the record size, each record will be padded with nulls. The entire file will grow as a result. This program may be freely copied and used for any purpose except military. C source included. Works as a Windows Console app from the DOS command prompt..

  • Platform: WinOther

Compiere Fixed Assets System is a seamless extension of the Compiere Enterprise Resource Planning (ERP) and Customer Relations Management (CRM). This extension provides an effective way to track assets for financial and reporting needs..

  • Publisher: oslabs.org
  • Date: 22-11-2012
  • Size: 2170 KB
  • Platform: Linux, Mac OS X, WinOther

Port of Pete Everett Fixed-Point RISC-OS port of Gabriel Bouvigne's (LAME) lightweight MP3 encoder to StrongARM Linux GCC. Port includes a library and example app that converts WAV to MP3. Tested on EZX with dev-ezx and x86_64 Linux..

  • Platform: WinOther

This Python module provides basic facilities for mathematics on fixed-point numbers. The number of fractional binary digits is tunable, allowing near-arbitrary precision arithmetic. Arithmetic & functions such as sqrt, exp, log, sin & cos are available..

  • Platform: Linux, Mac OS X, WinOther

Simple fixed positioning of two separate background images allows for a very neat effect. Like looking through frosted glass..

  • Platform: JavaScript, Scripts

Using a fixed position alpha-transparent PNG, you can make the bottom of your page 'fade out'..

  • Platform: JavaScript, Scripts

In this implementation of tracking a ball, we will track a live ball using Kalman filter. The tracking will switch to autorun mode when the sight of the ball is lost and Kalman will estimate the motion based on it's previous states There are two models. One model is a simple simulation of the fixed point version of Kalman filter. It reads a video with a ball moving along a ramp and tracks the motion of the ball. The second model Targets the TI DSP. This Model generates code for the TI DSP..

  • Publisher: Prerak
  • Date: 04-04-2013
  • Size: 307 KB
  • Platform: Matlab, Scripts

Functions accompanying MATLAB News & Notes article "Fixed-point Signal Processing: Getting Started" by Darel A. Linebarger and Thomas A. Bryan, 2004. The functions include an FIR filter in M that can be run in fixed-point and floating-point..

  • Publisher: Tom Bryan
  • Date: 16-06-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

An example to price an Arithmetic Average fixed strike Call option in the Black-Scholes framework using Monte Carlo Control Variate.

  • Platform: Matlab, Scripts

A collection of utilities for translating GPS coordinates to related coordinate systems (Earth Centere Fixed, Topocentric, UTM) with auxiliary routins for horizon computation and ray ellipsoid intercepts..

  • Platform: Matlab, Scripts

The effect of fixed-point arithmetic in 16-bits PID controller C routines on the closed-loop precision is shown in this Simulink model. Two Simulink blocks that implement single and double precision 16-bits PID C routines are generated with the LCT. The C sources are supplied for user modifications if required. Controllers work with 16-bits data and coefficients word lengths. Coefficients and data fixed-point numbers have respectively 12-bits and 10-bits fractionnal part. For a reference step excitation, you will see that the permanent errors for the fixed-point pids do not equal zero. Without rounding (look inside model for rounding mode switching), the single precision pid exibits an error about 8 data lsb when the double precision one is just around 2 lsb.

  • Publisher: Gilles
  • Date: 17-02-2013
  • Size: 20 KB
  • Platform: Matlab, Scripts

Fixed: Freeware | All

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