MHB Variable Pi Formula: Diameter (mm) Calculation

AI Thread Summary
The variable pi formula for calculating diameter in millimeters is expressed as Diameter (mm) = 0.0000003 : (pi of D - 3.1416)^2, with pi of D ranging from 3.1416 to 3.1589. When pi of D equals 3.1416, the diameter approaches infinity, while at 3.1589, the diameter is 0.001 mm. A specific case shows that when pi of D is 3.14161, the diameter is 3000 mm. The formula highlights the sensitivity of diameter calculations to small changes in the value of pi. Understanding this relationship is crucial for precise measurements in applications requiring variable pi values.
aetzbar
Messages
3
Reaction score
0
variable pi formula
Diameter (mm) = 0.0000003 : (pi of D - 3.1416 )^2

Pi of D is variable from 3.1416 to 3.1589
Pi min = 3.1416
Pi max = 3.164

When pi of D = 3.1416 , D = infinite mm
When pi of D = 3.1589 , D = 0.001mm
When pi of D = 3.14161 , D = 3000mm
 
Mathematics news on Phys.org
variable pi formula
Diameter (mm) = 0.0000003 : (pi of D - 3.1416 )^2

Pi of D is variable from 3.1416 to 3.1589
Pi min = 3.1416
Pi max = 3.164

When pi of D = 3.1416 , D = infinite mm
When pi of D = 3.1589 , D = 0.001mm
When pi of D = 3.14161 , D = 3000mm
 

Attachments

Suppose ,instead of the usual x,y coordinate system with an I basis vector along the x -axis and a corresponding j basis vector along the y-axis we instead have a different pair of basis vectors ,call them e and f along their respective axes. I have seen that this is an important subject in maths My question is what physical applications does such a model apply to? I am asking here because I have devoted quite a lot of time in the past to understanding convectors and the dual...
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. In Dirac’s Principles of Quantum Mechanics published in 1930 he introduced a “convenient notation” he referred to as a “delta function” which he treated as a continuum analog to the discrete Kronecker delta. The Kronecker delta is simply the indexed components of the identity operator in matrix algebra Source: https://www.physicsforums.com/insights/what-exactly-is-diracs-delta-function/ by...
Back
Top