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<TITLE>Basic Tasks</TITLE>
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<P>Here are some basic tasks and the
<font size="-1" face="Arial black" color="red">EXTREMA</font> commands to perform them.</P>
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<a href="arrays.htm"><font size="+1" color="olive">Create arrays of numerical values</font></a><br />
<a href="plotarray.htm"><font size="+1" color="olive">Create and plot an array</font></a><br />
<a href="vectors.htm"><font size="+1" color="olive">Define vectors (1-d arrays)</font></a><br />
<a href="matrices.htm"><font size="+1" color="olive">Define matrices (2-d arrays)</font></a><br />
<a href="plotvectors.htm"><font size="+1" color="olive">Add and plot vectors</font></a><br />
<a href="eigen.htm"><font size="+1" color="olive">Eigenvalues and eigenvectors</font></a><br />
<a href="plotfunctions.htm"><font size="+1" color="olive">Plot functions</font></a><br />
<a href="integrate.htm"><font size="+1" color="olive">Integrate a function</font></a><br />
<a href="solvematrix.htm"><font size="+1" color="olive">Solve a matrix equation</font></a><br />
<a href="readdata.htm"><font size="+1" color="olive">Read data from files</font></a><br />
<a href="fit.htm"><font size="+1" color="olive">Fit a function</font></a><br />
<a href="defineplotfunction.htm"><font size="+1" color="olive">Define and plot a function</font></a><br />
<a href="fft.htm"><font size="+1" color="olive">Analyze data using FFT</font></a><br />
<a href="contourdensity.htm"><font size="+1" color="olive">Display array data as contours and
density plot</font></a><br />
<a href="parametric.htm"><font size="+1" color="olive">Plot parametric functions</font></a><br />
<a href="writedata.htm"><font size="+1" color="olive">Write data to a file</font></a>
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