If you use Excel to model businesses, business processes, or business transactions, this course will change your life. You’ll learn how to create tools for yourself that will amaze even you. Unrestricted use of this material is available in two ways.
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Analysis and synthesis | 2/2 Session Links |
The term analysis denotes the separation of a system or entity into parts. For example, when we talk about the staff of a company in terms of employee categories, such as Senior Management, Administrative, Engineering Manager, and so on, we’re performing an analysis of the employee population.
When we perform synthesis we combine a collection of elements into a whole. For example, when we compute the total cost of desk chairs, we can compute the cost of desk chairs by employee category, and then add up those subtotals.
We use this approach because it makes complex problems more tractable. Often the components that result from an analysis are very similar, except for the values of a few parameters, so we can use the same techniques for each piece. Or it might happen that different teams have to work on each piece, and using analysis, we can apply more brain power to the problem in parallel.
Last Modified: Wednesday, 27-Apr-2016 04:15:26 EDT
For many of you, matrix multiplication and array arithmetic are new ideas. It’s easy to get lost in the details of how they work and then forget about why we use them.
To keep a clear view of the forest and avoid focusing only on the trees, remember why we use matrix multiplication and array arithmetic. Briefly, we use them because we find that it’s very often helpful to decompose a problem into parts (analysis), then do calculations on the parts, and finally reassemble the final solution from the results of those partial calculations (synthesis).
Matrix multiplication and array arithmetic provide us with very convenient methods for performing those intermediate calculations on the parts. They’re the tools that make analysis and synthesis so powerful.