Having presented the fundamentals of MATLAB in Section 2.8, let us now return to the problem we addressed in Section 2.7 on obtaining the inverse Laplace transform using partial fraction expansion. However, in this section, we will obtain the partial fraction expansion using MATLAB.

Commands and Matrix Functions |
Description |

angle | Phase angle |

ans | Answer when expression is not assigned |

asin | Arcsine |

atan | Arctangent |

axis | Manual axis scaling on plots |

bode | Plot Bode diagram (available only with Control SystemToolbox, and the Student Edition of MATLAB) |

clear | Remove items from memory and clear workspace |

clg | Clear graph’s screen |

conj | Complex conjugate |

conv | Multiplication; convolution |

cos | Cosine |

cosh | Hyperbolic cosine |

cov | Covariance |

deconv | Division; deconvolution |

det | Determinant |

disp | Display text or matrix |

end | Terminates scope or “for,” “while,” and “if” statements |

exit | Terminates program |

exp | Exponential base e |

eye | Identity matrix |

figure | Opens new graphic window by creating figure object |

grid | Draws grid lines for 2-D and 3-D plots |

help | Online help for MATLAB functions and m-files |

hold | Hold the current graph |

home | Sends the cursor “home” to the upper left of the screen |

imag | Imaginary part |

inf | Infinity |

inv | Matrix inverse |

length | Length of vector |

linspace | Generate linearly spaced vectors |

log | Natural logarithm ... |

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