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Searched refs:tau (Results 1 – 7 of 7) sorted by relevance

/libCEED/tests/
H A Dt301-basis.c16 CeedScalar tau[4]; in main() local
20 CeedQRFactorization(ceed, qr, tau, 4, 3); in main()
24 CeedHouseholderApplyQ(A_qr, qr, tau, CEED_NOTRANSPOSE, 4, 3, 3, 3, 1); in main()
/libCEED/examples/fluids/qfunctions/
H A Dstabilization.h83 CeedScalar tau; in Tau_diagPrim() local
98tau = Square(rho) * (4. * Square(dts) + velocity_term) + Ctau_v * Square(mu) * DotN((CeedScalar *)… in Tau_diagPrim()
100 fact = sqrt(tau); in Tau_diagPrim()
/libCEED/interface/
H A Dceed-basis.c1171 int CeedQRFactorization(Ceed ceed, CeedScalar *mat, CeedScalar *tau, CeedInt m, CeedInt n) { in CeedQRFactorization() argument
1181 tau[i] = 0.; in CeedQRFactorization()
1197 tau[i] = 2 * v[i] * v[i] / (v[i] * v[i] + sigma); in CeedQRFactorization()
1201 CeedHouseholderReflect(&mat[i * n + i + 1], &v[i], tau[i], m - i, n - i - 1, n, 1); in CeedQRFactorization()
1228 int CeedHouseholderApplyQ(CeedScalar *mat_A, const CeedScalar *mat_Q, const CeedScalar *tau, CeedTr… in CeedHouseholderApplyQ() argument
1237 CeedCall(CeedHouseholderReflect(&mat_A[i * row], &v[i], tau[i], m - i, n, row, col)); in CeedHouseholderApplyQ()
1257 CeedScalar *tau, *I, *mat_copy; in CeedMatrixPseudoinverse() local
1259 CeedCall(CeedCalloc(m, &tau)); in CeedMatrixPseudoinverse()
1265 CeedCall(CeedQRFactorization(ceed, mat_copy, tau, m, n)); in CeedMatrixPseudoinverse()
1269 CeedCall(CeedHouseholderApplyQ(I, mat_copy, tau, CEED_TRANSPOSE, m, m, n, m, 1)); in CeedMatrixPseudoinverse()
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/libCEED/examples/fluids/
H A Dindex.md182 …\tcolon\left(\frac{\partial \bm F_{\text{adv}}}{\partial \bm q}\right) \bm\tau \left( \frac{\parti…
199 …\tcolon\left(\frac{\partial \bm F_{\text{adv}}}{\partial \bm q}\right) \bm\tau \nabla \cdot \bm{F}…
206 In both {eq}`eq-weak-vector-ns-su` and {eq}`eq-weak-vector-ns-supg`, $\bm\tau \in \mathbb R^{5\time…
207 …plained via an ansatz for subgrid state fluctuations $\tilde{\bm q} = -\bm\tau \bm r$ where $\bm r…
223 :::{dropdown} Stabilization scale $\bm\tau$
242 \tau = \frac{\xi(\mathrm{Pe})}{\lVert \bm u_{\bm X} \rVert},
243 $$ (eq-tau-advdiff)
246 Note that $\tau$ has units of time and, in the transport-dominated limit, is proportional to elemen…
250 \nabla v \cdot \bm u \tau \bm u \cdot \nabla q = \nabla_{\bm X} v \cdot (\bm u_{\bm X} \tau \bm u_{…
284 \tau = \left [ \left(\frac{2 C_t}{\Delta t}\right)^2
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H A DREADME.md345 - Formulation for $\tau$ in stabilization (`ctau`, `advdiff_shakib`)
350 - Scaling factor on the temporal portion of the $\tau$ formulation
355 - Scaling factor on the advection portion of the $\tau$ formulation
360 - Scale coefficient for stabilization tau (nondimensional)
548 - Stabilization constant, $c_\tau$
/libCEED/include/ceed/
H A Dbackend.h482 CEED_EXTERN int CeedQRFactorization(Ceed ceed, CeedScalar *mat, CeedScalar *tau, CeedInt m, CeedInt…
483 …holderApplyQ(CeedScalar *mat_A, const CeedScalar *mat_Q, const CeedScalar *tau, CeedTransposeMode …
/libCEED/julia/LibCEED.jl/src/generated/
H A Dlibceed_bindings.jl1458 function CeedQRFactorization(ceed, mat, tau, m, n) argument
1459 …, libceed), Cint, (Ceed, Ptr{CeedScalar}, Ptr{CeedScalar}, CeedInt, CeedInt), ceed, mat, tau, m, n)
1462 function CeedHouseholderApplyQ(mat_A, mat_Q, tau, t_mode, m, n, k, row, col) argument
1463 …TransposeMode, CeedInt, CeedInt, CeedInt, CeedInt, CeedInt), mat_A, mat_Q, tau, t_mode, m, n, k, r…