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How to find center and radius of hand-drawn circle?

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#matrices #optimization #least-squares
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Can $\sum_i{d(m_i,Pn_i)^2}$ be minimized over $P$ using linear least squares?

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#optimization #least-squares
616
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Homogeneous non-negative least-squares

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#linear-algebra #optimization #convex-optimization #least-squares #quadratic-programming
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How to derive the least squares solution for linear regression?

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#calculus #proof-writing #least-squares
156
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Nonnegative least squares relation to unconstrained least squares

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#statistics #least-squares
319
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total least squares derivation with matrices

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#matrices #derivatives #optimization #lagrange-multiplier #least-squares
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Is the Frobenius norm minimizer the same as the $2$-norm minimizer?

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#linear-algebra #matrices #optimization #least-squares #spectral-norm
161
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Solving programmatically a least squares problem with one constrain

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#optimization #least-squares #constraint-programming
2.1k
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Finding the least square line passing through the origin

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#linear-algebra #least-squares
1.8k
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About sphere equation $z = a+bx+cy+dx^2 +ey^2$

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#least-squares
129
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$\operatorname{Var}(\hat{\beta_1})=\frac{\sigma^2}{\sum(X_i-\bar{X})^2}$ : how to derive this?

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#economics #least-squares
109
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Autocorrelation and var-cov matrix

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#regression #economics #correlation #least-squares #covariance
97
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Least squares fitting of vectors

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#vectors #least-squares
181
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Simplify function with polynomial via least-squares

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#calculus #statistics #numerical-methods #approximation #least-squares
688
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Uniqueness of solution of a constrained least square problem

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#optimization #convex-optimization #least-squares

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