sum total rule
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Total organic carbon — (TOC) is the amount of carbon bound in an organic compound and is often used as a non specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. A typical analysis for TOC measures both the total carbon present… … Wikipedia
Total player rating — (TPR), also known as Batter Fielder/Pitcher Wins (BFW/PW) is a metric for measuring the value of baseball players, and to enable players to be compared against each other even when they played for different teams, at different positions, and in… … Wikipedia
Rule of 78s — Also known as the sum of the digits method, the Rule of 78s is a term used in lending that refers to a method of yearly interest calculation. The name comes from the total number of months interest that is being calculated in a year (the first… … Wikipedia
Rule of 72 — In finance, the rule of 72, the rule of 70 and the rule of 69 are methods for estimating an investment s doubling time. The number in the title is divided by the interest percentage per period to get the approximate number of periods needed for… … Wikipedia
Total derivative — In the mathematical field of differential calculus, the term total derivative has a number of closely related meanings. * The total derivative of a function, f , of several variables, e.g., t , x , y , etc., with respect to one of its input… … Wikipedia
Rule Of 18 — A rule whereby the sum of the inflation rate and the P/E ratio of the Dow Jones Industrial Average is an indicator of the direction of the stock market. If the total is above 18, stocks are supposed to decrease. If the total is under 18, then the … Investment dictionary
Rule Of 78 — A method of allocating the interest charge on a loan across its payment periods. Under the Rule of 78, periods are weighted by comparing their numerical values to the sum of all the digits of the periods. The weights are applied in reverse,… … Investment dictionary
Mason's rule — Mason s gain formula (MGF) is a method for finding the transfer function of a linear signal flow graph (SFG). The formula was derived by Samuel Jefferson Mason[1] and is named after its discoverer. MGF is an alternate method to finding the… … Wikipedia
Delta rule — The delta rule is a gradient descent learning rule for updating the weights of the artificial neurons in a single layer perceptron. It is a special case of the more general backpropagation algorithm. For a neuron with activation function the… … Wikipedia
Riemann sum — In mathematics, a Riemann sum is a method for approximating the total area underneath a curve on a graph, otherwise known as an integral. It may also be used to define the integration operation. The sums are named after the German mathematician… … Wikipedia
Law of total cumulance — In probability theory and mathematical statistics, the law of total cumulance is a generalization to cumulants of the law of total probability, the law of total expectation, and the law of total variance. It has applications in the analysis of… … Wikipedia
