Integraler har sina rötter i geometriska problem

Steven Strogatz artikelserie i New York Times har nu kommit fram till integraler.

Historically, integrals arose first in geometry, in connection with the problem of finding the areas of curved shapes. ... As for what’s being summed, that depends on context.  In astronomy, the gravitational pull of the sun on the earth is described by an integral. It represents the collective effect of all the miniscule forces generated by each solar atom at their varying distances from the earth.  In oncology, the growing mass of a solid tumor can be modeled by an integral. 

It slices, it dices ...

Läs tidigare artiklar av Steven Strogatz i serien "Math, from basic to baffling" från the New York Times:

From fish to infinity (jan. 31, 2010)

Rock groups (feb. 7, 2010)

The enemy of my enemy (feb. 14, 2010)

Division and its discontents (feb. 21, 2010)

The joy of x (feb. 28, 2010)

Finding your roots (march 7, 2010)

Square dancing (march 14, 2010)

Think globally (march 21, 2010)

Power tools (march 28, 2010)

Take it to the limit (april 4, 2010)

Change we can believe in (april 11, 2011)

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