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Chapters:
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<a href="Introduction.html">1: Introduction</a><br>
<a href="SimpleExample.html">2: Simple example</a><br>
<a href="InvokingGri.html">3: Invocation</a><br>
<a href="GettingMoreControl.html">4: Finer Control</a><br>
<a href="X-Y.html">5: X-Y Plots</a><br>
<a href="ContourPlots.html">6: Contour Plots</a><br>
<a href="Images.html">7: Image Plots</a><br>
<a href="Examples.html">8: Examples</a><br>
<a href="Commands.html">9: Gri Commands</a><br>
<a href="Programming.html">10: Programming</a><br>
<a href="Environment.html">11: Environment</a><br>
<a href="Emacs.html">12: Emacs Mode</a><br>
<a href="History.html">13: History</a><br>
<a href="Installation.html">14: Installation</a><br>
<a href="Bugs.html">15: Gri Bugs</a><br>
<a href="TestSuite.html">16: Test Suite</a><br>
<a href="Acknowledgments.html">17: Acknowledgments</a><br>
<a href="License.html">18: License</a><br>
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Indices:</br>
<a href="ConceptIndex.html"><i>Concepts</i></a><br>
<a href="CommandIndex.html"><i>Commands</i></a><br>
<a href="BuiltinIndex.html"><i>Variables</i></a><br>
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<h3>9.3.20: `<font color="#82140F"><code>interpolate</code></font>'</h3>
<!-- latex: \index{interpolate} -->
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interpolate x grid to .left. .right. .inc.|{/.cols.}'
interpolate y grid to .bottom. .top. .inc.|{/.rows.}'
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Transform grid by interpolating between existing grid data, according to
a new x or y grid specified in the manner of `<font color="#82140F"><code>set x grid</code></font>' and
`<font color="#82140F"><code>set y grid</code></font>'. Note that the new grid is neccessarily regular,
while the first grid needn't have been. The data of the new grid are
constructed by interpolation, using the same interpolation algorithm as
the `<font color="#82140F"><code>convert grid to image</code></font>' command.
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