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Scilab Scholar module for schools >> Scholar Menu > Area calculation

Area calculation

Area calculation activity

Description

One accesses this activity with the item "Area calculation" from the menu in "Scholar".

One enters a function and the interval endpoints a and b. One bounds the intégral of this function defined between a and b by the method of rectangles (Riemann sums) . La function must be positive and monotic between the interval endpoints.

The function must be entered in a form involving the variable x. Functions defined in Scilab may be used in this expression. For example: x^2, 1/x, f(x), f(x^2)*g(x) etc.

The slide varies the number of rectangles. The routine displays upper and lower bounds for the integral (using upper rectangles and lower rectangles).

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