Examples of LinearOperator

net.algart.math.functions.LinearOperator

Linear operator (affine transformation): O f(x) = f(Ax + b), where the numeric n x n matrix A and the n-dimensional vector b are parameters of the transformation. (It is a particular case of the {@link ProjectiveOperator projective transformation}, when c vector is zero and d number is 1.0.) All calculations in all methods are performed in strictfp mode, so the results are absolutely identical on all platforms.

This class is immutable and thread-safe: there are no ways to modify settings of the created instance.

AlgART Laboratory 2007–2014
@author Daniel Alievsky @version 1.2 @since JDK 1.5

Examples of net.algart.math.functions.LinearOperator

                    Matrix.ContinuationMode.getConstantMode(outsideValue(actualFrames)));
            }
            if (p instanceof UniversalFramePosition
                && ((UniversalFramePosition)p).inverseTransform() instanceof LinearOperator)
            {
                LinearOperator inverseTransform = (LinearOperator)((UniversalFramePosition)p).inverseTransform();
//                System.out.println("1 frame branch: linear operator " + inverseTransform);
                LinearOperator shift = LinearOperator.getShiftInstance(area.min().coordinates());
                LinearOperator lo = shift.superposition(inverseTransform);
                Func f = Matrices.asInterpolationFunc(m, Matrices.InterpolationMethod.POLYLINEAR_FUNCTION,
                    outsideValue(actualFrames));
                f = lo.apply(f);
                return Matrices.asCoordFuncMatrix(f, requiredType, dimensions);
            }
        }
        if (integerShiftPositions && stitchingMethod instanceof CoordinateFreeStitchingMethod<?>) {
//            System.out.println("coordinate free branch: combining submatrices");

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Examples of net.algart.math.functions.LinearOperator

        private Affine2DNearestStitchingFunc(List<? extends Frame<P>> frames) {
            super(frames);
            this.a = new double[this.inverseTransforms.length][];
            this.b = new double[this.inverseTransforms.length][];
            for (int k = 0; k < this.inverseTransforms.length; k++) {
                LinearOperator lo = (LinearOperator)this.inverseTransforms[k];
                assert lo.n() == 2;
                this.a[k] = lo.a();
                this.b[k] = lo.b();
            }
            this.a0 = this.inverseTransforms.length >= 1 ? this.a[0] : null;
            this.a1 = this.inverseTransforms.length >= 2 ? this.a[1] : null;
            this.a2 = this.inverseTransforms.length >= 3 ? this.a[2] : null;
            this.a3 = this.inverseTransforms.length >= 4 ? this.a[3] : null;

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Examples of net.algart.math.functions.LinearOperator

        private Affine2DWeighedStitchingFunc(List<? extends Frame<P>> frames) {
            super(frames);
            this.a = new double[this.inverseTransforms.length][];
            this.b = new double[this.inverseTransforms.length][];
            for (int k = 0; k < this.inverseTransforms.length; k++) {
                LinearOperator lo = (LinearOperator)this.inverseTransforms[k];
                assert lo.n() == 2;
                this.a[k] = lo.a();
                this.b[k] = lo.b();
            }
            this.a0 = this.inverseTransforms.length >= 1 ? this.a[0] : null;
            this.a1 = this.inverseTransforms.length >= 2 ? this.a[1] : null;
            this.a2 = this.inverseTransforms.length >= 3 ? this.a[2] : null;
            this.a3 = this.inverseTransforms.length >= 4 ? this.a[3] : null;

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