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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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		<TITLE>set_lowbo</TITLE>
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					<h1>set_lowbo</h1>
					<p>Set the lower bound of a variable.</p>
					<p><b>unsigned char set_lowbo(lprec </b>*<i>lp</i><b>, int </b><i>column</i><b>, REAL </b><i>value</i><b>);</b></p>
					<p class="label"><b>Return Value</b></p>
					<p><b>set_lowbo</b> returns TRUE (1) if the operation was successful. A return
						value of FALSE (0) indicates an error.<br>
					</p>
					<p class="label"><b>Parameters</b></p>
					<p class="dt"><i>lp</i></p>
					<p class="indent">Pointer to previously created lp model. See return value of <A href="make_lp.htm">
							make_lp</A>, <A HREF="copy_lp.htm">copy_lp</A>, <A href="read_lp.htm">read_lp,
							read_LP</A>, <A href="read_mps.htm">read_mps, read_freemps, read_MPS, read_freeMPS</A>, <A HREF="read_XLI.htm">read_XLI</A></p>
					<p class="dt"><i>column</i></p>
					<p class="indent">The column number of the variable on which the bound must be set.
						It must be between 1 and the number of columns in the lp.</p>
					<p class="label"><b>Remarks</b></p>
					<p>The <b>set_lowbo</b> function sets a lower bound on the variable identified by <i>column</i>.<br>
						Setting a bound on a variable is the way to go instead of adding an extra
						constraint (row) to the model. Setting a bound doesn't increase the model size
						that means that the model stays smaller and will be solved faster.<br>
						Note that the default lower bound of each variable is 0. So variables will
						never take negative values if no negative lower bound is set.
					</p>
					<p class="label"><b>Example</b></p>
					<pre><code>#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
#include "lp_lib.h"

int main(void)
{
  lprec *lp;

  /* Create a new LP model */
  lp = make_lp(0, 2);
  if(lp == NULL) {
    fprintf(stderr, "Unable to create new LP model\n");
    return(1);
  }

  set_lowbo(lp, 1, 1.0);

  delete_lp(lp);
  return(0);
}
</code></pre>
					<p>
						<A HREF="lp_solveAPIreference.htm">lp_solve API reference</A></p>
					<p>
						<b>See Also</b> <A HREF="make_lp.htm">make_lp</A>, <A HREF="copy_lp.htm">copy_lp</A>,
						<A href="read_lp.htm">read_lp, read_LP</A>, <A HREF="read_mps.htm">read_mps,
							read_freemps, read_MPS, read_freeMPS</A>, <A HREF="read_XLI.htm">read_XLI</A>, <A HREF="get_lowbo.htm">get_lowbo</A>, <A HREF="set_upbo.htm">set_upbo</A>,
						<A HREF="get_upbo.htm">get_upbo</A>, <A HREF="set_bounds.htm">set_bounds</A>, <A HREF="set_unbounded.htm">set_unbounded</A>, <A HREF="is_unbounded.htm">is_unbounded</A>, <A HREF="is_negative.htm">is_negative</A></p>
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