Category Archives: Uncategorized

Diophantine equations

Publicerat den november 21, 2012 av mattelararen

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

Publicerat den november 19, 2012 av mattelararen
Publicerat i Gymnasiematematik(high school math), Uncategorized | Märkt , | Lämna en kommentar

Polar rose

Publicerat den november 16, 2012 av mattelararen

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:

Publicerat den november 9, 2012 av mattelararen

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

Publicerat den november 9, 2012 av mattelararen

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

Publicerat den november 6, 2012 av mattelararen

Arfken 6.4.4Arfken 6.4.4

Publicerat i Calculus, Imaginary numbers, Uncategorized | Märkt , | Lämna en kommentar

How to draw exceldiagrams

Publicerat den oktober 22, 2012 av mattelararen

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

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Separable variables

Publicerat den oktober 21, 2012 av mattelararen

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

Differential equations

Publicerat den oktober 13, 2012 av mattelararen

An equation containing the derivative of a function is called a differential equation. Depending on the order of the derivatives it is of the first, second or higher order. The simplest differential equation is an ordinary linear homogenous differential equation of the first order: y’ + … Fortsätt läsa →

Publicerat i Calculus, Gymnasiematematik(high school math), Uncategorized | Märkt , , | 1 kommentar

Cylindrical coordinates

Publicerat den oktober 9, 2012 av mattelararen

Cylindrical coordinates can be considered as a hybrid between spherical coordinates and rectangular coordinates. The coordinates of a point is given by the angle between the projection of the point in the xy-plame Φ and two distances: the distance from the … Fortsätt läsa →

Publicerat i Geometri, Uncategorized | Märkt | Lämna en kommentar