Mathematics and Physics from the Ground Up
PLEN

Dependency map

For every lesson: what you need to know first and which lessons build on it.

LessonRequiresUsed by
Mathematics 0.1
Numbers, powers, logarithms and elementary functions
— 0.2, 0.3, 0.5, 1.2
Mathematics 0.2
Equations, inequalities, polynomials and partial fractions
0.1 0.4, 0.5, 1.2, 1.7, 2.1, 4.4, Control engineering 1.1
Mathematics 0.3
Trigonometry and hyperbolic functions
0.1 0.4, 0.5, 1.1, 1.2, 1.7, 2.2, 3.2
Mathematics 0.4
Analytic geometry and conic sections
0.2, 0.3 1.1, 1.7, Physics 5
Mathematics 0.5
Units, dimensional analysis, estimation and measurement uncertainty
0.1, 0.2, 0.3 1.4, 5.2, Physics 1, Physics 10
Mathematics 1.1
Vectors
0.3, 0.4 1.3, 2.1, 3.1, Physics 1
Mathematics 1.2
Sequences, limits and continuity
0.1, 0.2, 0.3 1.3, 1.6
Mathematics 1.3
Derivatives
1.1, 1.2 1.4, Physics 1
Mathematics 1.4
Differential calculus in practice
0.5, 1.3 1.5, 3.1, 6.2, Physics 2, Physics 11
Mathematics 1.5
Integrals
1.4 1.6, 3.3, 4.1, 6.1, Physics 1
Mathematics 1.6
Series and power series
1.2, 1.5 1.7, 4.2, 5.1, Control engineering 3.4
Mathematics 1.7
Complex numbers and phasors
0.2, 0.3, 0.4, 1.6 2.2, 2.3, 4.1, Physics 6, Physics 17, Control engineering 2.3
Mathematics 2.1
Matrices, determinants and linear systems
0.2, 1.1 2.2, 3.3, 5.2
Mathematics 2.2
Linear maps: rotations, change of basis, Lorentz transformation
0.3, 1.7, 2.1 2.3, Physics 7, Flight dynamics 1, Astronautics 2
Mathematics 2.3
Eigenvalues and eigenvectors
1.7, 2.2 3.1, 4.5, Physics 18, Control engineering 4.1, Flight dynamics 1
Mathematics 3.1
Multivariable chain rule, extrema and Lagrange multipliers
1.1, 1.4, 2.3 3.2, 3.4, 4.6, 5.2, 6.1
Mathematics 3.2
Polar, cylindrical and spherical coordinates
0.3, 3.1 3.3, 4.7
Mathematics 3.3
Double and triple integrals
1.5, 2.1, 3.2 3.4, 5.1
Mathematics 3.4
Line integrals, conservative fields and exact differentials
3.1, 3.3 3.5, Physics 9
Mathematics 3.5
Flux, divergence and curl
3.4 3.6, 4.7
Mathematics 3.6
The theorems of Green, Stokes and Gauss
3.5 Physics 10, Physics 13
Mathematics 4.1
Ordinary differential equations
1.5, 1.7 4.2, 6.1, 6.2, Physics 6, Control engineering 1.2, Astronautics 1
Mathematics 4.2
Fourier series
1.6, 4.1 4.3, 4.7, Physics 11
Mathematics 4.3
The Fourier transform and the Dirac delta
4.2 4.4
Mathematics 4.4
The Laplace transform
0.2, 4.3 4.5, Control engineering 2.1
Mathematics 4.5
Linear systems and state space
2.3, 4.4 4.6, Control engineering 4.1, Flight dynamics 5, Astronautics 6
Mathematics 4.6
Nonlinear systems, phase plane and stability
3.1, 4.5 Control engineering 4.5, Control engineering 4.6, Flight dynamics 2, Flight dynamics 5
Mathematics 4.7
PDEs: the wave, diffusion and Laplace equations
3.2, 3.5, 4.2 Physics 16, Physics 19
Mathematics 5.1
Probability and distributions
1.6, 3.3 5.2, Physics 8, Physics 17
Mathematics 5.2
Measurement statistics and curve fitting
0.5, 2.1, 3.1, 5.1 Control engineering 1.2, Control engineering 4.4
Mathematics 6.1
Calculus of variations
1.5, 3.1, 4.1 Physics 12, Control engineering 4.3, Control engineering 5.1
Mathematics 6.2
Numerical methods: Python and C++
1.4, 4.1 Control engineering 1.3, Control engineering 3.4, Control engineering 5.1, Flight dynamics 5, Flight dynamics 10, Astronautics 2, Astronautics 4, Astronautics 9
Physics 1
Motion and its causes
Mathematics 0.5, Mathematics 1.1, Mathematics 1.3, Mathematics 1.5 2, 7, Control engineering 1.1
Physics 2
Energy
Mathematics 1.4, 1 3, 6, 13, Flight dynamics 6
Physics 3
Momentum, collisions and the centre of mass
2 4, 8, Astronautics 4
Physics 4
Rotation and rigid bodies
3 5, Flight dynamics 1, Flight dynamics 4
Physics 5
Gravitation and orbits
Mathematics 0.4, 4 Astronautics 1
Physics 6
Oscillations, resonance and linear systems
Mathematics 1.7, Mathematics 4.1, 2 11, Control engineering 1.2, Control engineering 2.3
Physics 7
Reference frames and special relativity
Mathematics 2.2, 1 —
Physics 8
Heat and kinetic theory
Mathematics 5.1, 3 9
Physics 9
Thermodynamics and entropy
Mathematics 3.4, 8 10
Physics 10
Fluids: pressure, flow, viscosity and aerodynamic forces
Mathematics 0.5, Mathematics 3.6, 9 Flight dynamics 4, Astronautics 10
Physics 11
Waves and sound
Mathematics 1.4, Mathematics 4.2, 6 12
Physics 12
Optics: least time, interference, diffraction
Mathematics 6.1, 11 —
Physics 13
The electric field and Gauss's law
Mathematics 3.6, 2 14
Physics 14
Potential, conductors and capacitors
13 15
Physics 15
Current and the magnetic field
14 16
Physics 16
Induction, Maxwell's equations and electromagnetic waves
Mathematics 4.7, 15 —
Physics 17
Probability amplitudes
Mathematics 1.7, Mathematics 5.1 18
Physics 18
Quantum states, two-state systems and spin
Mathematics 2.3, 17 19
Physics 19
The hydrogen atom and the periodic table
Mathematics 4.7, 18 —
Control engineering 1.1
Why feedback? Open and closed loops
Mathematics 0.2, Physics 1 1.2
Control engineering 1.2
How systems respond: basic elements and the step response
Mathematics 4.1, Mathematics 5.2, Physics 6, 1.1 1.3
Control engineering 1.3
P and PI control in the loop: why the integral removes the error
Mathematics 6.2, 1.2 2.1
Control engineering 2.1
Block diagrams and the loop transfer function
Mathematics 4.4, 1.3 2.2, 2.3
Control engineering 2.2
Closed-loop poles and zeros, root locus
2.1 2.4, Flight dynamics 8
Control engineering 2.3
Frequency response and Bode plots
Mathematics 1.7, Physics 6, 2.1 2.4
Control engineering 2.4
Loop stability: the −1 point, margins and delay
2.2, 2.3 2.5
Control engineering 2.5
Disturbances, noise and sensitivity: S, T and loop shaping
2.4 3.1, 5.2
Control engineering 3.1
The PID controller: P, I and D action and steady-state error
2.5 3.2, 4.1
Control engineering 3.2
Tuning: a model from a test, tuning rules and cascade control
3.1 3.3, Flight dynamics 9
Control engineering 3.3
Nonlinear reality: saturation, windup, feedforward and gain scheduling
3.2 3.4, 4.6, Flight dynamics 8, Flight dynamics 9, Flight dynamics 11, Astronautics 13
Control engineering 3.4
Digital control: sampling, the Z-transform and the controller in code
Mathematics 1.6, Mathematics 6.2, 3.3 4.4
Control engineering 4.1
State feedback, pole placement and controllability
Mathematics 2.3, Mathematics 4.5, 3.1 4.2, 4.3
Control engineering 4.2
State observers and observability
4.1 4.4
Control engineering 4.3
LQR: a cost instead of poles
Mathematics 6.1, 4.1 4.6, 5.1, 5.2, Flight dynamics 12
Control engineering 4.4
The Kalman filter
Mathematics 5.2, 3.4, 4.2 4.5, 5.2
Control engineering 4.5
The extended Kalman filter and single-axis sensor fusion
Mathematics 4.6, 4.4 Flight dynamics 3
Control engineering 4.6
Lyapunov stability and nonlinear control
Mathematics 4.6, 3.3, 4.3 —
Control engineering 5.1
Pontryagin's maximum principle, time-optimal control and the shooting method
Mathematics 6.1, Mathematics 6.2, 4.3 Flight dynamics 12
Control engineering 5.2
LQG and robustness
2.5, 4.3, 4.4 —
Flight dynamics 1
Attitude in 3D: rotation matrices, Euler angles, axis–angle and quaternions
Mathematics 2.2, Mathematics 2.3, Physics 4 2, 3, 10
Flight dynamics 2
The rigid body in 3D: the inertia tensor, Euler's equations and the intermediate axis
Mathematics 4.6, 1 7, 10, 11, Astronautics 11
Flight dynamics 3
Sensor fusion in 3D: attitude estimation with quaternions
Control engineering 4.5, 1 Astronautics 12
Flight dynamics 4
Static stability and trim: why an aircraft has a tail
Physics 4, Physics 10 5
Flight dynamics 5
Flight in the plane of symmetry: the longitudinal model and stability derivatives
Mathematics 4.5, Mathematics 4.6, Mathematics 6.2, 4 6
Flight dynamics 6
Longitudinal modes: the phugoid and the short period
Physics 2, 5 7, 9
Flight dynamics 7
Lateral motion: roll, spiral and Dutch roll
2, 6 8
Flight dynamics 8
Stability augmentation: yaw and pitch dampers
Control engineering 2.2, Control engineering 3.3, 7 9
Flight dynamics 9
The autopilot: inner and outer loops
Control engineering 3.2, Control engineering 3.3, 6, 8 10
Flight dynamics 10
Six-degree-of-freedom simulation: putting the aircraft together
Mathematics 6.2, 1, 2, 9 —
Flight dynamics 11
The rocket: attitude and thrust vectoring
Control engineering 3.3, 2, Astronautics 4 12
Flight dynamics 12
Guidance: the nominal trajectory and tracking deviations
Control engineering 4.3, Control engineering 5.1, 11, Astronautics 4 —
Astronautics 1
The two-body problem and the orbit equation
Mathematics 4.1, Physics 5 2, 4, 10, 11
Astronautics 2
Orbital elements, Kepler's equation and the ground track
Mathematics 2.2, Mathematics 6.2, 1 3, 5
Astronautics 3
Perturbations: Earth's oblateness, Sun-synchronous orbits and drag
2 —
Astronautics 4
Rocket to orbit: the rocket equation, staging and the gravity turn
Mathematics 6.2, Physics 3, 1 Flight dynamics 11, Flight dynamics 12, 5
Astronautics 5
Orbital manoeuvres: the Hohmann transfer and plane changes
2, 4 6, 7
Astronautics 6
Relative motion and orbital rendezvous
Mathematics 4.5, 5 —
Astronautics 7
Spheres of influence and interplanetary transfers
5 8, 9
Astronautics 8
Gravity assists
7 —
Astronautics 9
Lambert's problem and porkchop plots
Mathematics 6.2, 7 —
Astronautics 10
Atmospheric entry
Physics 10, 1 —
Astronautics 11
A spacecraft without control: spin, dual spin and gravity gradient
Flight dynamics 2, 1 12
Astronautics 12
Attitude determination: sensors, TRIAD and filtering
Flight dynamics 3, 11 13
Astronautics 13
Attitude control: reaction wheels, magnetorquers and thrusters
Control engineering 3.3, 12 —
Matura in mathematics 0.1
How the maths matura works: the paper, scoring, the formula booklet
— —
Matura in mathematics 1.1
Operations, intervals and absolute value
— 1.2, 1.5, 5.1
Matura in mathematics 1.2
Powers and roots
1.1 1.3, 1.4, 2.1, 7.1
Matura in mathematics 1.3
Logarithms
1.2 5.6
Matura in mathematics 1.4
Percentages, compound interest, deposits and loans
1.2 6.3
Matura in mathematics 1.5
Divisibility and first proofs
1.1 —
Matura in mathematics 2.1
Special products and rational expressions
1.2 2.2, 3.1, 11.2
Matura in mathematics 2.2
Polynomials: division, factoring, integer roots
2.1 3.3
Matura in mathematics 5.1
Functions and graphs: reading properties
1.1 5.2, 5.3, 5.5, 5.6, 6.1
Matura in mathematics 5.2
The linear function
5.1 9.1
Matura in mathematics 5.3
The quadratic function: three forms and the graph
5.1 5.4, 5.7, 3.2
Matura in mathematics 5.4
The quadratic on an interval and optimisation
5.3 13.4, 14.1
Matura in mathematics 5.5
Inverse proportionality
5.1 —
Matura in mathematics 5.6
Exponential and logarithmic functions
1.3, 5.1 —
Matura in mathematics 5.7
Graph transformations, composition, proving monotonicity
5.3 7.3, 13.1
Matura in mathematics 3.1
Linear equations and inequalities, equivalent transformations
2.1 3.2, 4.1
Matura in mathematics 3.2
Quadratic equations and inequalities, factored polynomial equations
5.3, 3.1 3.3, 3.5, 3.6, 4.2
Matura in mathematics 3.3
Polynomial inequalities and biquadratic equations
2.2, 3.2 3.4
Matura in mathematics 3.4
Rational expressions, equations and inequalities
3.3 —
Matura in mathematics 3.5
Equations and inequalities with absolute value
3.2 —
Matura in mathematics 3.6
Vieta's formulas and equations with a parameter
3.2 —
Matura in mathematics 4.1
Linear systems and word problems
3.1 4.2, 9.1
Matura in mathematics 4.2
Systems with a quadratic equation
3.2, 4.1 9.3
Matura in mathematics 6.1
Sequences: general term, recursion, monotonicity
5.1 6.2, 6.3
Matura in mathematics 6.2
Arithmetic sequences
6.1 —
Matura in mathematics 6.3
Geometric sequences
1.4, 6.1 6.4, 14.1
Matura in mathematics 6.4
Limits of sequences and geometric series
6.3 13.1
Matura in mathematics 7.1
Trigonometry of angles from 0° to 180°
1.2 7.2, 7.3, 8.1, 10.1
Matura in mathematics 7.2
The law of cosines and the area of a triangle
7.1 7.5, 8.2
Matura in mathematics 7.3
Radians, graphs, periodicity and reduction formulas
5.7, 7.1 7.4
Matura in mathematics 7.4
Angle-sum formulas and trigonometric equations
7.3 —
Matura in mathematics 7.5
The law of sines and solving triangles
7.2 —
Matura in mathematics 8.1
Circles: chords, tangents, inscribed and central angles, sectors
7.1 8.5
Matura in mathematics 8.2
Triangles: types and special points
7.2 8.3, 8.4
Matura in mathematics 8.3
Quadrilaterals and regular polygons
8.2 —
Matura in mathematics 8.4
Thales' theorem and similarity
8.2 8.5
Matura in mathematics 8.5
Trigonometry in figures and geometric proofs
8.1, 8.4 8.6, 14.1
Matura in mathematics 8.6
Cyclic and tangential quadrilaterals, converse of Thales' theorem
8.5 —
Matura in mathematics 9.1
Lines in the plane
5.2, 4.1 9.2, 9.4
Matura in mathematics 9.2
Distance, the equation of a circle and symmetries
9.1 9.3, 14.1
Matura in mathematics 9.3
Line and circle, two circles, tangents and perpendicular lines
4.2, 9.2 —
Matura in mathematics 9.4
Vectors
9.1 —
Matura in mathematics 10.1
Lines, planes and angles in space
7.1 10.2
Matura in mathematics 10.2
Volumes and surface areas, similar solids
10.1 10.3, 14.1
Matura in mathematics 10.3
Cross-sections and the three perpendiculars theorem
10.2 —
Matura in mathematics 11.1
The multiplication and addition rules
— 11.2, 12.1
Matura in mathematics 11.2
Permutations, variations, combinations and binomial coefficients
2.1, 11.1 12.4
Matura in mathematics 12.1
Classical probability
11.1 12.3
Matura in mathematics 12.2
Statistics: means, median, mode
— 14.1
Matura in mathematics 12.3
Conditional and total probability, Bayes' formula
12.1 12.4
Matura in mathematics 12.4
Bernoulli trials
11.2, 12.3 —
Matura in mathematics 13.1
Limits and continuity of functions, the Darboux property
5.7, 6.4 13.2
Matura in mathematics 13.2
The derivative: definition, meaning and computation
13.1 13.3
Matura in mathematics 13.3
Monotonicity and extrema
13.2 13.4
Matura in mathematics 13.4
Optimisation with the derivative
5.4, 13.3 14.2
Matura in mathematics 14.1
Mock exam: basic level
5.4, 6.3, 8.5, 9.2, 10.2, 12.2 14.2
Matura in mathematics 14.2
Mock exam: extended level
13.4, 14.1 —