graphical method
You can verify section formula by graphical method if you cannot solve it using algebra.
It's the graphical component
A pictogram
analytical method.
The same,if you have accurate reading of measurement in graphical method you can precisely measure so there will be no error, in using analytical method you must have an exact & perfect calculation to have an perfect product. .
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graphical method is applicable only for solving an LPP having two variables in its constraints , but if more than two variables are used, then it is not possible to use graphical method. In those cases, simplex method helps to solve such problem. In simple, in graphical method is used when the constraints contain two variables only. But simplex method can be used to solve constraints having more than two variables.
analytical method.
analytical method.
Sample problems of Graphical and analytical methods are Vector addition and subtraction. These could be done in a analytical or graphical methodologies.
Graphical data: A method of delivering information; using a picture, or graphic, to display or communicate information or intent.