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<!DOCTYPE html> <html lang="en"> <head> <title>valueBM2 -- This function makes a number in CC from a string.</title> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> <link type="text/css" rel="stylesheet" href="../../../../Macaulay2/Style/doc.css"> <link rel="stylesheet" href="../../../../Macaulay2/Style/katex/katex.min.css"> <script defer="defer" src="../../../../Macaulay2/Style/katex/katex.min.js"></script> <script defer="defer" src="../../../../Macaulay2/Style/katex/contrib/auto-render.min.js"></script> <script> var macros = { "\\break": "\\\\", "\\ZZ": "\\mathbb{Z}", "\\NN": "\\mathbb{N}", "\\QQ": "\\mathbb{Q}", "\\RR": "\\mathbb{R}", "\\CC": "\\mathbb{C}", "\\PP": "\\mathbb{P}" }, delimiters = [ { left: "$$", right: "$$", display: true}, { left: "\\[", right: "\\]", display: true}, { left: "$", right: "$", display: false}, { left: "\\(", right: "\\)", display: false} ], ignoredTags = [ "kbd", "var", "samp", "script", "noscript", "style", "textarea", "pre", "code", "option" ]; document.addEventListener("DOMContentLoaded", function() { renderMathInElement(document.body, { delimiters: delimiters, macros: macros, ignoredTags: ignoredTags, trust: true }); }); </script> <style>.katex { font-size: 1em; }</style> <script defer="defer" src="../../../../Macaulay2/Style/katex/contrib/copy-tex.min.js"></script> <script defer="defer" src="../../../../Macaulay2/Style/katex/contrib/render-a11y-string.min.js"></script> <script src="../../../../Macaulay2/Style/prism.js"></script> <script>var current_version = '1.25.06';</script> <script src="../../../../Macaulay2/Style/version-select.js"></script> <link type="image/x-icon" rel="icon" href="../../../../Macaulay2/Style/icon.gif"> </head> <body> <div id="buttons"> <div> <a href="https://macaulay2.com/">Macaulay2</a> <span id="version-select-container"></span> » <a title="Macaulay2 documentation" href="../../Macaulay2Doc/html/index.html">Documentation </a> <br><a href="../../Macaulay2Doc/html/_packages_spprovided_spwith_sp__Macaulay2.html">Packages</a> » <span><a title="software for numerical algebraic geometry" href="index.html">Bertini</a> :: <a title="This function makes a number in CC from a string." href="_value__B__M2.html">valueBM2</a></span> </div> <div class="right"> <form method="get" action="https://www.google.com/search"> <input placeholder="Search" type="text" name="q" value=""> <input type="hidden" name="q" value="site:macaulay2.com/doc"> </form> <a href="___Variable_spgroups.html">next</a> | <a href="___Use__Regeneration.html">previous</a> | <a href="___Variable_spgroups.html">forward</a> | <a href="___Use__Regeneration.html">backward</a> | up | <a href="master.html">index</a> | <a href="toc.html">toc</a> </div> </div> <hr> <div> <h1>valueBM2 -- This function makes a number in CC from a string.</h1> <ul> <li> <dl class="element"> <dt>Usage: </dt> <dd><code class="language-macaulay2">valueBM2(s)</code></dd> </dl> </li> <li>Inputs: <ul> <li><span><span class="tt">s</span>, <span>a <a title="the class of all strings" href="../../Macaulay2Doc/html/___String.html">string</a></span>, A string that gives a coordinate.</span></li> </ul> </li> <li><a href="../../Macaulay2Doc/html/_using_spfunctions_spwith_spoptional_spinputs.html">Optional inputs</a>: <ul> <li><span><span class="tt">M2Precision</span> (missing documentation)<!--tag: [valueBM2, M2Precision]--> <span class="tt"> => </span><span class="tt">...</span>, <span>default value 53</span>, <span></span></span></li> </ul> </li> </ul> <div> <h2>Description</h2> <div> <p>This function take a string representing a coordinate in a Bertini solutions file or parameter file and makes a number in CC. We can adjust the precision using the M2Precision option. Fractions should not be in the string s.</p> </div> <table class="examples"> <tr> <td> <pre><code class="language-macaulay2">i1 : valueBM2("1.22e-2 4e-5") o1 = .0122+.00004*ii o1 : CC (of precision 53)</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i2 : valueBM2("1.22 4e-5") o2 = 1.22+.00004*ii o2 : CC (of precision 53)</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i3 : valueBM2("1.22 4") o3 = 1.22+4*ii o3 : CC (of precision 53)</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i4 : valueBM2("1.22e+2 4 ") o4 = 122+4*ii o4 : CC (of precision 53)</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i5 : n1=valueBM2("1.11",M2Precision=>52) o5 = 1.11 o5 : RR (of precision 52)</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i6 : n2=valueBM2("1.11",M2Precision=>300) o6 = 1.11 o6 : RR (of precision 300)</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i7 : toExternalString n1 o7 = .11099999999999999p52e1</code></pre> </td> </tr> <tr> <td> <pre><code class="language-macaulay2">i8 : toExternalString n2 o8 = .11100000000000000000000000000000000000000000000000000000000000000000000 000000000000000000003p300e1</code></pre> </td> </tr> </table> </div> <div> <div class="waystouse"> <h2>Ways to use <span class="tt">valueBM2</span>:</h2> <ul> <li><kbd>valueBM2(String)</kbd></li> </ul> </div> <div class="waystouse"> <h2>For the programmer</h2> <p>The object <a title="This function makes a number in CC from a string." href="_value__B__M2.html">valueBM2</a> is <span>a <a title="a type of method function" href="../../Macaulay2Doc/html/___Method__Function__With__Options.html">method function with options</a></span>.</p> </div> <hr> <div class="waystouse"> <p>The source of this document is in <span class="tt">Bertini.m2:3753:0</span>.</p> </div> </div> </div> </body> </html>