Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
import { eulerFull, eulerStep } from '../EulerMethod'
describe('eulerStep', () => {
it('should calculate the next y value correctly', () => {
expect(
eulerStep(0, 0.1, 0, function (x, y) {
return x
})
).toBe(0)
eulerStep(2, 1, 1, function (x, y) {
return x * x
).toBe(5)
describe('eulerFull', () => {
it('should return all the points found', () => {
eulerFull(0, 3, 1, 0, function (x, y) {
).toEqual([
{ x: 0, y: 0 },
{ x: 1, y: 0 },
{ x: 2, y: 1 },
{ x: 3, y: 3 }
])
eulerFull(3, 4, 0.5, 1, function (x, y) {
{ x: 3, y: 1 },
{ x: 3.5, y: 5.5 },
{ x: 4, y: 11.625 }
