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<head><title>randomMutableMatrix(ZZ,ZZ,RR,ZZ) -- a random mutable matrix of integers</title>
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<div><h1>randomMutableMatrix(ZZ,ZZ,RR,ZZ) -- a random mutable matrix of integers</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>randomMutableMatrix(nrows,ncols,zerof,max)</tt></div>
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<li><span>Function: <a href="_random__Mutable__Matrix_lp__Z__Z_cm__Z__Z_cm__R__R_cm__Z__Z_rp.html" title="a random mutable matrix of integers">randomMutableMatrix</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>nrows</tt>, <span>an <a href="___Z__Z.html">integer</a></span></span></li>
<li><span><tt>ncols</tt>, <span>an <a href="___Z__Z.html">integer</a></span></span></li>
<li><span><tt>zerof</tt>, <span>a <a href="___R__R.html">real number</a></span>, between 0 and 1</span></li>
<li><span><tt>max</tt>, <span>an <a href="___Z__Z.html">integer</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="___Mutable__Matrix.html">mutable matrix</a></span>, a random mutable <tt>nrows</tt> by <tt>ncols</tt> matrix of integers. The absolute value of the entries is less than <tt>max</tt>, and the frequency of entries equal to zero is given by <tt>zerof</tt>.</span></li>
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<li><div class="single"><a href="_using_spfunctions_spwith_spoptional_spinputs.html">Optional inputs</a>:<ul><li><span><tt>Dense => </tt><span><span>default value false</span>, whether the encoding of the matrix should be dense or not: see <a href="___Mutable__Matrix.html" title="the class of all mutable matrices">MutableMatrix</a></span></span></li>
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<div class="single"><h2>Description</h2>
<div>This function has been superceded by <a href="_fill__Matrix.html" title="fill a mutable matrix with random numbers">fillMatrix</a>, which works over more rings, is much faster for large matrices, and is more flexible.<table class="examples"><tr><td><pre>i1 : randomMutableMatrix(10,15,.9,100)
o1 = | . 8 . . . . . . . . . 93 . . . |
| . . . . . . . . . . -23 -18 . . . |
| . . . . . . . . . . . . . . . |
| . . 19 . . . . . . . . . . . . |
| . . . . . . 29 . 11 . . . . . . |
| . . . . . . . . . . . . . -86 . |
| . . . . . . . . . . . . . . . |
| . -8 34 . 5 . . . . . . . . . . |
| . . . . . . . . . . . 7 . . . |
| . . . 100 . . -88 . . . . . . . . |
o1 : MutableMatrix</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_mutable__Matrix.html" title="make a mutable matrix">mutableMatrix</a> -- make a mutable matrix</span></li>
<li><span><a href="_fill__Matrix.html" title="fill a mutable matrix with random numbers">fillMatrix</a> -- fill a mutable matrix with random numbers</span></li>
<li><span><a href="_set__Random__Seed.html" title="set starting point for random number generator">setRandomSeed</a> -- set starting point for random number generator</span></li>
<li><span><a href="_random.html" title="get a random element">random</a> -- get a random element</span></li>
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