Plot and display

• black — diagrama de Black (carta de Nichols)
• bode — diagrama de Bode
• evans — lugar geométrico das raízes Evans
• gainplot — esboço de magnitude
• m_circle — esboça os contornos de iso-ganho y/(1+y) plano complexo
• nyquist — diagrama de Nyquist
• sgrid — esboça linhas de grid de um s-plano
• zgrid — esboçode um z-grid
• bode_asymp — Bode plot asymptote
• hallchart — Draws the Hall chart
• nicholschart — Nichols chart
• phaseplot — frequency phase plot
• show_margins — display gain and phase margin and associated crossover frequencies
• svplot — singular-value sigma-plot