A Text-book on the Method of Least Squares

a₂ adjusted values applied arithmetical mean b₁ B₂ Chauvenet's criterion checks co-efficients computed conditional equations constant errors corrections d₁ d₂ deduced Descriptive Geometry determined difference of level direct observations Elementary Elements empirical formula equa errors of observation example feet find the probable Geodesy Geodetic Astronomy given hence independent observations K₁ K₂ law of probability Least Squares logarithms M₁ M₂ Manual measure of precision Mechanics median Merriman's method of Art Method of Least morocco multiplying number of errors number of observations number of unknown observation equations observed quantities observed values P₁ P₂ proba probability of error probable error probable values Problems residual errors single observation Small 8vo Strength of Materials Text-book three normal equations tions Treatise unequal weight unknown quantities V₁ W₁ W₂ weight unity World's Columbian Exposition x₁ X₂ y₁ Z₁ Z₂ zero