Searched refs:Sigma_f (Results 1 – 10 of 10) sorted by relevance
138 Matrix22 Sigma_f = filter; in filter_gabor_kernel_2d() local142 float c_F = 1.0f / (float(M_TWO_PI) * sqrtf(determinant(Sigma_f))); in filter_gabor_kernel_2d()143 Matrix22 Sigma_F = float(1.0 / (4.0 * M_PI * M_PI)) * Sigma_f.inverse(); in filter_gabor_kernel_2d()
294 Matrix22 Sigma_f = filter; in filter_gabor_kernel_2d() local298 float c_F = 1.0f / (float(M_TWO_PI) * sqrtf(determinant(Sigma_f))); in filter_gabor_kernel_2d()300 Matrix22 Sigma_F = float(1.0 / (4.0 * M_PI * M_PI)) * Sigma_f.inverse(); in filter_gabor_kernel_2d()302 Matrix22 Sigma_f_inverse = Sigma_f.inverse(); in filter_gabor_kernel_2d()
126 m = \frac{w}{k} \frac{\nu\Sigma_f}{\Sigma_t}130 factor, :math:`\nu\Sigma_f` is the neutron production cross section, and135 m_{UFS} = \frac{w}{k} \frac{\nu\Sigma_f}{\Sigma_t} \frac{v_i}{s_i}
593 …"$$k_{eff} = \\frac{\\langle \\nu \\Sigma_f \\phi \\rangle}{\\langle \\Sigma_a \\phi \\rangle + \\…749 "$$\\epsilon=\\frac{\\langle\\nu\\Sigma_f\\phi\\rangle}{\\langle\\nu\\Sigma_f\\phi\\rangle_T}$$"903 …ed per absorption in fuel, calculated as $$\\eta = \\frac{\\langle \\nu\\Sigma_f\\phi \\rangle_T}{…