Category Archives: Uncategorized

Learn about buoyancy and how to compare apple and pears:

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Solution to 15.2 in Heureka

15.2

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Diophantine equations

A Diophantine equation is an equation in which only integers are allowed as coefficients. Also the solutions must be integers. This can be written as ax + by = c. This is a linear diophantine equation. For non-linar diophantine equations … Fortsätt läsa

Publicerat i Algebra, Gymnasiematematik(high school math), matematik 1c, Uncategorized | Märkt | Lämna en kommentar

Invited speaker at Matematikbromötet 2012

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Polar rose

An example of> polar coordinates >and the funny graphs you can draw with them. Here a >polar rose>.

Publicerat i Gymnasiematematik(high school math), matematik 4, Uncategorized | Lämna en kommentar

Reflection 2:

Is it posible to reduce the number of coordinates necessary to specify the position in space from three to one if space itself is quantised?

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A reflection

Is faculty defined for non-integers? Ex 5! =5*4*3*2*1=120 What about 0.1!?

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Complex integral solved with Cauchy’s integral formula

Arfken 6.4.4Arfken 6.4.4

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How to draw exceldiagrams

My instruction video concerning drawing diagrams in Excel: http://www.youtube.com/watch?v=NSO04ELH4Qg

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Separable variables

Differential equations of the form dy/dx = – P(x)/Q(y) then it is possible to separate the variables Q(y)dy = – P(x) dx → Q(y) dy + P(x) dx = 0 Ex y´+ sinx y = 0 y´ = -sinx y dy/y … Fortsätt läsa

Publicerat i Calculus, Gymnasiematematik(high school math), matematik 4, Uncategorized | Märkt , | Lämna en kommentar