Fixed-Point Matrix Operations in MATLAB

Optimized fixed-point math operations, matrix solvers, and matrix decomposition functions for efficient code

Use these functions to perform fixed-point math and matrix operations and generate efficient code. These functions solve systems of linear equations and perform matrix decompositions in a way that is efficient for embedded devices.

Functions

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Math Operations

`ceilDiv`	Round the result of division toward positive infinity
`fixDiv`	Round the result of division toward zero
`floorDiv`	Round the result of division toward negative infinity
`nearestDiv`	Round the result of division toward the nearest integer
`modByConstant`	Modulus after division by a constant denominator

Linear System Solvers and Matrix Factorizations

`fixed.backwardSubstitute`	Solve upper-triangular system of equations through backward substitution
`fixed.forwardSubstitute`	Solve lower-triangular system of equations through forward substitution
`fixed.qlessQR`	Q-less QR decomposition
`fixed.qlessQRUpdate`	Update QR factorization
`fixed.qrAB`	Compute C = Q'*B and upper-triangular factor R
`fixed.qrMatrixSolve`	Solve system of linear equations Ax = B for x using QR decomposition
`fixed.qlessQRMatrixSolve`	Solve system of linear equations (A'A)x = B for x using Q-less QR decomposition

Fixed-Point Designer Documentation

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