﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<?application progid="SMath Studio Desktop" version="0.99.7610.506"?>
<worksheet xmlns="http://smath.info/schemas/worksheet/1.0">
  <settings ppi="96">
    <identity>
      <id>b7746fc8-6dc8-4722-8521-9a9d1b018047</id>
      <revision>28</revision>
    </identity>
    <calculation>
      <precision>4</precision>
      <exponentialThreshold>5</exponentialThreshold>
      <trailingZeros>false</trailingZeros>
      <significantDigitsMode>false</significantDigitsMode>
      <roundingMode>0</roundingMode>
      <fractions>decimal</fractions>
    </calculation>
    <pageModel active="false" viewMode="2" printGrid="false" printAreas="true" simpleEqualsOnly="false" printBackgroundImages="true">
      <paper id="9" orientation="Portrait" width="827" height="1169" />
      <margins left="39" right="39" top="49" bottom="49" />
      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
      <footer alignment="Center" color="#a9a9a9">&amp;[PAGENUM] / &amp;[COUNT]</footer>
      <backgrounds />
    </pageModel>
    <dependencies>
      <assembly name="SMath Studio Desktop" version="0.99.7610.506" guid="a37cba83-b69c-4c71-9992-55ff666763bd" />
      <assembly name="Math Region" version="0.99.7610.506" guid="02f1ab51-215b-466e-a74d-5d8b1cf85e8d" />
      <assembly name="Custom Functions" version="1.1.7486.2690" guid="18dadffd-79a3-4cf9-aee1-d66deb0ea720" />
      <assembly name="3D Plot Region (Chart3DLib)" version="0.1.7435.26966" guid="2427d808-1e5e-4ae0-88bf-bc271664a3ab" />
      <assembly name="SpecialFunctions" version="1.12.7610.506" guid="2814e667-4e12-48b1-8d51-194e480eabc5" />
      <assembly name="TextRegion" version="1.11.7610.506" guid="485d28c5-349a-48b6-93be-12a35a1c1e39" />
      <assembly name="ALGLIB® - numerical analysis library" version="1.0.7631.19399" guid="8e40b49c-3681-4332-903d-751303860e7b" />
      <assembly name="PlotRegion" version="1.11.7610.506" guid="c451c2b5-798b-4f08-b9ec-b90963d1ddaa" />
    </dependencies>
  </settings>
  <regions type="content">
    <region left="63" top="9" width="421" height="31" color="#000000" fontSize="14">
      <text lang="rus">
        <p bold="true">Projection of a curve onto a surface</p>
      </text>
    </region>
    <region left="0" top="63" width="741" height="57" color="#000000" fontSize="10">
      <text lang="rus" width="741">
        <p italic="true">Computing the projection of a point onto a surface is to find a closest point on the surface, and projection of a curve onto a surface is the locus of all points on the curve project onto the surface.</p>
      </text>
    </region>
    <region top="153" color="#000000">
      <area collapsed="true">
        <title lang="rus">
          <p>surface , γ</p>
        </title>
      </area>
      <region left="99" top="171" width="216" height="65" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">u</e>
            <e type="operand">v</e>
            <e type="function" args="2">f1</e>
            <e type="operand">u</e>
            <e type="operand">v</e>
            <e type="operand">u</e>
            <e type="function" args="1">sin</e>
            <e type="operand">v</e>
            <e type="function" args="1">sin</e>
            <e type="operator" args="2">*</e>
            <e type="operand">3</e>
            <e type="operand">1</e>
            <e type="function" args="5">mat</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region left="477" top="171" width="234" height="63" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">γ</e>
            <e type="operand">0.8232</e>
            <e type="operator" args="1">-</e>
            <e type="operand">0.4194</e>
            <e type="operator" args="1">-</e>
            <e type="operand">0.3827</e>
            <e type="operand">0.5677</e>
            <e type="operand">0.6187</e>
            <e type="operator" args="1">-</e>
            <e type="operand">0.543</e>
            <e type="operand">0.009</e>
            <e type="operand">0.6643</e>
            <e type="operand">0.7474</e>
            <e type="operand">3</e>
            <e type="operand">3</e>
            <e type="function" args="11">mat</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region left="63" top="261" width="329" height="26" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">sur</e>
            <e type="operand">f1</e>
            <e type="operand">π</e>
            <e type="operator" args="1">-</e>
            <e type="operand">π</e>
            <e type="operand">π</e>
            <e type="operator" args="1">-</e>
            <e type="operand">π</e>
            <e type="operand">15</e>
            <e type="operand">15</e>
            <e type="function" args="7">CreateMesh</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region top="288" color="#000000">
        <area terminator="true" />
      </region>
    </region>
    <region left="90" top="324" width="229" height="35" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">x</e>
          <e type="function" args="1">f</e>
          <e type="operand">x</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="function" args="1">sin</e>
          <e type="operand">x</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="function" args="1">sin</e>
          <e type="operator" args="2">*</e>
          <e type="operand">x</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="504" top="324" width="46" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">R</e>
          <e type="operand">2</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="0" top="387" width="637" height="66" border="true" color="#000000" fontSize="10">
      <math>
        <description active="true" position="Right" lang="eng">
          <p>Circle</p>
        </description>
        <input>
          <e type="operand">R</e>
          <e type="function" args="1">c3d</e>
          <e type="operand">t</e>
          <e type="operand">0</e>
          <e type="operand">2</e>
          <e type="operand">π</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0.2</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operand">0.2</e>
          <e type="function" args="3">range</e>
          <e type="operator" args="2">:</e>
          <e type="operand">crc</e>
          <e type="operand">R</e>
          <e type="operand">t</e>
          <e type="function" args="1">cos</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0.69</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="1">vectorize</e>
          <e type="operand">R</e>
          <e type="operand">t</e>
          <e type="function" args="1">sin</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0.5</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="1">vectorize</e>
          <e type="function" args="2">augment</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" args="4">mat</e>
          <e type="operand">crc</e>
          <e type="operand">crc</e>
          <e type="function" args="1">rows</e>
          <e type="operand">1</e>
          <e type="function" args="2">matrix</e>
          <e type="operand">2</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="2">augment</e>
          <e type="function" args="1">eval</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="0" top="468" width="735" height="268" border="true" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">n</e>
          <e type="function" args="1">a</e>
          <e type="operand">c</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" args="2">range</e>
          <e type="operator" args="2">:</e>
          <e type="operand">g</e>
          <e type="operand">c</e>
          <e type="function" args="2">el</e>
          <e type="operand">x</e>
          <e type="function" args="1">f</e>
          <e type="operand">x</e>
          <e type="operand">c</e>
          <e type="function" args="2">el</e>
          <e type="function" args="2">diff</e>
          <e type="operator" args="2">:</e>
          <e type="operand">eN</e>
          <e type="operand">g</e>
          <e type="operand">g</e>
          <e type="function" args="1">norme</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operand">sur</e>
          <e type="function" args="1">rows</e>
          <e type="function" args="2">range</e>
          <e type="operator" args="2">:</e>
          <e type="operand">A</e>
          <e type="operand">R</e>
          <e type="function" args="1">c3d</e>
          <e type="operand">n</e>
          <e type="function" args="2">row</e>
          <e type="function" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" args="7">mat</e>
          <e type="operand">d</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">sur</e>
          <e type="operand">k</e>
          <e type="function" args="2">row</e>
          <e type="operator" args="2">-</e>
          <e type="function" args="1">norme</e>
          <e type="function" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a0</e>
          <e type="operand">sur</e>
          <e type="operand">d</e>
          <e type="function" args="2">augment</e>
          <e type="operand">4</e>
          <e type="function" args="2">csort</e>
          <e type="operand">1</e>
          <e type="function" args="2">row</e>
          <e type="operand">c</e>
          <e type="function" args="2">el</e>
          <e type="function" args="1">transpose</e>
          <e type="function" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" args="4">mat</e>
          <e type="operand">x</e>
          <e type="function" args="1">F</e>
          <e type="operand">x</e>
          <e type="function" args="1">f</e>
          <e type="operand">eN</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operand">x</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">eN</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operand">x</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operand">eN</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">x</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">eN</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operand">x</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">a0</e>
          <e type="function" args="1">transpose</e>
          <e type="operand">x</e>
          <e type="function" args="1">F</e>
          <e type="function" args="2">al_nleqsolve</e>
          <e type="function" args="1">transpose</e>
          <e type="function" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">x</e>
          <e type="function" args="1">G</e>
          <e type="operand">g</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" args="5">mat</e>
          <e type="operand">eN</e>
          <e type="operand">a</e>
          <e type="function" args="1">G</e>
          <e type="function" args="1">transpose</e>
          <e type="operand">a</e>
          <e type="function" args="1">G</e>
          <e type="function" args="1">norme</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
          <e type="operand">dist</e>
          <e type="operand">A</e>
          <e type="operand">a</e>
          <e type="operator" args="2">-</e>
          <e type="function" args="1">norme</e>
          <e type="operator" args="2">:</e>
          <e type="operand">No</e>
          <e type="operand">a</e>
          <e type="operand">a</e>
          <e type="operand">A</e>
          <e type="function" args="1">f</e>
          <e type="function" args="1">sign</e>
          <e type="operand">1</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dist</e>
          <e type="operator" args="2">*</e>
          <e type="operand">eN</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="2">stack</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" args="5">mat</e>
          <e type="operand">a</e>
          <e type="operand">No</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" args="4">mat</e>
          <e type="operand">5</e>
          <e type="operand">1</e>
          <e type="function" args="7">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="0" top="747" width="682" height="186" border="true" color="#000000" fontSize="10">
      <math>
        <description active="false" position="Top" lang="eng">
          <p></p>
        </description>
        <input>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operand">R</e>
          <e type="function" args="1">c3d</e>
          <e type="function" args="1">rows</e>
          <e type="function" args="2">range</e>
          <e type="operand">h</e>
          <e type="operand">n</e>
          <e type="function" args="2">el</e>
          <e type="operand">n</e>
          <e type="function" args="1">a</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">:</e>
          <e type="operand">H</e>
          <e type="operand">n</e>
          <e type="function" args="2">el</e>
          <e type="operand">h</e>
          <e type="operand">n</e>
          <e type="function" args="2">el</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="function" args="2">col</e>
          <e type="operand">h</e>
          <e type="operand">n</e>
          <e type="function" args="2">el</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">3</e>
          <e type="function" args="2">col</e>
          <e type="function" args="2">augment</e>
          <e type="function" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">L</e>
          <e type="operand">H</e>
          <e type="function" args="1">mat2sys.1</e>
          <e type="function" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" args="5">mat</e>
          <e type="operand">a</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">n</e>
          <e type="function" args="1">a</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">n</e>
          <e type="function" args="1">a</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operand" style="string">.</e>
          <e type="operand">13</e>
          <e type="operand" style="string">green</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" args="7">mat</e>
          <e type="operand">a</e>
          <e type="operand">n</e>
          <e type="function" args="1">a</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">n</e>
          <e type="function" args="1">a</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">3</e>
          <e type="function" args="2">el</e>
          <e type="operand" style="string">.</e>
          <e type="operand">13</e>
          <e type="operand" style="string">green</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" args="7">mat</e>
          <e type="function" args="2">stack</e>
          <e type="function" args="3">if</e>
          <e type="operator" args="2">:</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="function" args="3">for</e>
        </input>
      </math>
    </region>
    <region left="9" top="954" width="366" height="290" color="#000000" fontSize="10">
      <plot grid="false" axes="false" type="2d" render="lines" scale_x="5.05447028499294" scale_y="5.05447028499294" scale_z="5.05447028499294" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="4" transpose_y="-14" transpose_z="0">
        <description active="true" position="Top" lang="eng">
          <p>Orthogonal projection of a circle onto a surface</p>
        </description>
        <input>
          <e type="operand">R</e>
          <e type="function" args="1">c3d</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="function" args="2">col</e>
          <e type="operand">R</e>
          <e type="function" args="1">c3d</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">3</e>
          <e type="function" args="2">col</e>
          <e type="function" args="2">augment</e>
          <e type="operand">a</e>
          <e type="operand" style="string"></e>
          <e type="operand" style="string"></e>
          <e type="operand">sur</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="function" args="2">col</e>
          <e type="operand">sur</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">3</e>
          <e type="function" args="2">col</e>
          <e type="function" args="2">augment</e>
          <e type="operand">L</e>
          <e type="operand">6</e>
          <e type="operand">1</e>
          <e type="function" args="8">sys</e>
        </input>
      </plot>
    </region>
  </regions>
</worksheet>