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--- gibson:teaching:fall-2014:math445:lecture6-diary [2014/09/18 12:16]
gibson [Graphical data analysis of log-linear relations]
+++ gibson:teaching:fall-2014:math445:lecture6-diary [2014/09/18 12:19]
gibson [Graphical data analysis of log-linear relations]
@@ Line 278: / Line 278: @@
 >> xdata = D(:,1);
 >> ydata = D(:,2);
->> plot(xdata, ydata,'mo-'); grid on
+>> plot(xdata, ydata,'mo-'); xlabel('x'); ylabel('y'); grid on
 </code>
+{{ :gibson:teaching:fall-2014:math445:logplot0.png?nolink&400 |}}
 <code matlab>
@@ Line 285: / Line 287: @@
 >> semilogy(xdata, ydata, 'mo-'); xlabel('x'); ylabel('y'); grid on
 </code>
+{{ :gibson:teaching:fall-2014:math445:logplot1.png?nolink&400 |}}
 <code matlab>
@@ Line 302: / Line 306: @@
 >> semilogy(xdata, ydata,'mo-', x, 400*10.^(-0.1*x)); xlabel('x'); ylabel('y'); grid on
 </code>
+{{ :gibson:teaching:fall-2014:math445:logplot2.png?nolink&400 |}}
 <code matlab>
@@ Line 310: / Line 316: @@
 </code>
+{{ :gibson:teaching:fall-2014:math445:logplot3.png?nolink&400 |}}
 <code matlab>
 % so the functional form is y = 700 * 10^(-0.085 x).
+% Don't ask me why Matlab keeps changing the grid lines on the logarithmic plots...
 </code>

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