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Given overdetermined system $Ax=b$, how can we compute $c^T\hat{x}$?

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#linear-algebra #systems-of-equations #numerical-linear-algebra #least-squares
804
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Finding the design matrix

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#linear-algebra #numerical-linear-algebra #numerical-optimization
340
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Cholesky LDLT decomposition and B-orthogonalization

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#linear-algebra #numerical-methods #numerical-linear-algebra
54
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Finding the solution to an equation where the left hand side is summation of orthonormal vectors

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#linear-algebra #numerical-methods #vectors #numerical-linear-algebra
125
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Have you seen this “exponent of matrices” before?

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#linear-algebra #matrices #numerical-linear-algebra
472
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Condition number for a complex square matrix

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#matrices #numerical-linear-algebra
61
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How does the following expression scale with respect to $\epsilon$?

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#linear-algebra #matrices #numerical-methods #numerical-linear-algebra #perturbation-theory
69
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conjugate gradient method using initial descent direction different than initial residual

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#optimization #numerical-linear-algebra
67
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Using Hessenburg reduction to solve linear system

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#matrices #numerical-linear-algebra
47
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Fast matrix multiplication for $a_{i,j}=a_{i-j}$ if $i\leq j$ else 0

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#numerical-methods #computational-complexity #numerical-linear-algebra
244
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Increase MATLAB precision

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#matlab #numerical-linear-algebra
44
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Is the trapezoid rule integral operator $A$ a non singular matrix?

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#convex-optimization #numerical-linear-algebra #variational-analysis
974
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Understanding the matrix equation used to solve 2-D Poisson Equation with non-uniform grid

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#linear-algebra #partial-differential-equations #numerical-methods #numerical-linear-algebra #poissons-equation
819
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Flop counts for Cholesky, Richardson, CG

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#linear-algebra #numerical-linear-algebra
65
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How can I apply least squares solution to the problem min = ||Av - uv|| where v is given?

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#linear-algebra #numerical-methods #numerical-linear-algebra #least-squares

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