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package symjava.examples;

import symjava.domains.Domain;

import symjava.domains.Domain2D;

import symjava.domains.Domain3D;

import symjava.math.SymMath;

import symjava.math.Transformation;

import symjava.relational.Eq;

import symjava.symbolic.*;

import static symjava.symbolic.Symbol.*;

public class Example5 {

public static void main(String[] args) {

example1();

example2();

}

public static void example1() {

Domain D = new Domain2D("D",x,y);

Integrate I1 = new Integrate(0.5*(x+y), D);

System.out.println(I1);

Transformation trans = new Transformation(

new Eq(x, r/2),

new Eq(y, 3*s)

);

Expr I1c = I1.changeOfVars(trans);

System.out.println(I1c);

}

public static void example2() {

Domain D = new Domain3D("D",x,y,z);

Func F = new Func("F", r, s, t);

Func G = new Func("G", r, s, t);

Func H = new Func("H", r, s, t);

Transformation trans = new Transformation(

new Eq(x, F),

new Eq(y, G),

new Eq(z, H)

);

Integrate I = new Integrate(SymMath.pow(x+y+z,2), D).changeOfVars(trans);

System.out.println(I);

}

}