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Why you do numerical analysis on Computer?
In most practical situations the calculations required to do numerical analysis are so lengthy and tedious that they are too expensive to be performed by people nowadays, especially since they generally involve simple arithmetic rather than anything requiring human intelligence.
What is the answer to -6X5?
If the question means ( -6 times 5 ), then the answer is ( -30 ). If it means ( -6x5 ), then there is no question, so no answer is required. A numerical value can be calculated when the value of 'x' is known.
What are the steps on solving equations?
The answer will depend very much on the nature of the equation. The steps required for a one-step equation are very different from the steps required for a partial differential equation. For some equations there are no straightforward analytical methods of solution: only numerical methods.
Are parentheses required when translating the word phrase the sum of 8 and the product of 3 and 2 into a numerical phrase?
No. The placement of the binary operators makes the question unmbiguous. It is asking about 8+3*2.
What are the differences between numerical methods and numerical analysis?
A numerical method is the same as an algorithm, the steps required to solve a numerical problem. Algorithms became very important as computers were increasingly used to solve problems. It was no longer necessary to solve complex mathematical problems with a single closed form equation. See link on algorithm. According to Wikipedia: Numerical analysis is the study of algorithms for the problems of continuous mathematics (as distinguished from discrete mathematics). See link on numerical analysis. An expanded definition offered by K.E. Atkinson is: Numerical analysis is the area of mathematics and computer science that creates, analyzes, and implements algorithms for solving numerically the problems of continuous mathematics. Such problems originate generally from real-world applications of algebra, geometry and calculus, and they involve variables which vary continuously; these problems occur throughout the natural sciences,social sciences, engineering, medicine, and business. Numerical analysis courses typically are offered as part of Industrial engineering (Operations research), applied mathematics, computer science. Simulation, operations research and computer science are very interrelated
