Matlab Commands

ME 461
Professor Tilbury

acker		Compute the K matrix to place the poles of A-BK
axis		Set the scale of the current plot
bode		Draw the Bode plot
cloop		Closed-loop transfer function
conv		Convolution (useful for multiplying polynomials)
ctrb		the controllability matrix
det		find the determinant of a matrix
eig		Compute the eigenvalues of a matrix
eps		Tolerance
for		For, next loop
format		Number format (significant digits, exponents)
grid		Draw the grid lines on the current plot
help		HELP
inv		find the inverse of a matrix
length		Length of a vector
loglog		Plot using log-log scale
lsim		simulate a linear system
norm		Norm of a vector
nyquist		Draw the Nyquist plot
obsv		the observability matrix
ones		returns a vector or matrix of ones
place		Compute the K matrix to place the poles of A-BK
plot		Draw a plot
print		Print the plot (to a printer or postscript file)
rlocfind	Find the value of k and the poles at the selected point
rlocus		Draw the root locus
roots		Find the roots of a polynomial
set		set(gca,'Xtick',xticks,'Ytick',yticks) to control the number
		and spacing of tick marks on the axes
size		gives the dimension of a vector or matrix
sqrt		Square root
ss2tf		State-space to Transfer function representation
ss2zp		State-space to Pole-zero representation
step		Plot the step response
subplot		Divide the plot window up into pieces
sum		Sum all elements in a vector
text		Add a piece of text to the current plot
tf2ss		Transfer function to state-space representation
tf2zp		Transfer function to Pole-zero representation
title		Add a title to the current plot
xlabel		Add a label to the horizontal axis of the current plot
ylabel		Add a label to the vertical axis of the current plot
zeros		returns a vector or matrix of zeros
zp2ss		Pole-zero to state-space representation
zp2tf		Pole-zero to Transfer function representation