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POaddition of matrix in php
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  1. POaddition of matrix in php
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    copied!<p>I am trying to do matrix addition in php. Here i am trying to get the input from the user and make the array for addition. I tried this. i have some more mistakes here. any one can give the solution for this... Thanks in advance...</p> <pre><code>&lt;html&gt; &lt;body&gt; &lt;form name="form1" action="matrixaddjs.php" method="post"&gt; Enter the number of rows for matrix : &lt;input type="text" name="ar"&gt; Enter the number of columns for matrix : &lt;input type="text" name="ac"&gt; &lt;input type="submit" name="submit" value="submit"&gt; &lt;script&gt; var row=document.getElementById('ar').value; var col=document.getElementById('ac').value; var i; var j; var k; var l; var amatrix= new array(); document.write('&lt;table&gt;'); for(i=0;i&lt;row;i++) { amatrix[i]=new array(j); document.write('Enter the A matrix :'); document.write('&lt;tr&gt;'); for(j=0;j&lt;col;j++) { document.write('&lt;td&gt;'); document.write('&lt;input type="text" name="amatrix[i][j]"&gt;'); document.write('&lt;/td&gt;'); } document.write('&lt;/tr&gt;'); } document.write('&lt;/table&gt;'); var bmatrix= new array(); document.write('Enter the B matrix :'); document.write('&lt;table&gt;'); for(i=0;i&lt;row;i++) { bmatrix[i]=new array(j); document.write('&lt;tr&gt;'); for(j=0;j&lt;col;j++) { document.write('&lt;td&gt;'); document.write('&lt;input type="text" name="bmatrix[i][j]"&gt;'); document.write('&lt;/td&gt;'); } document.write('&lt;/tr&gt;'); } document.write('&lt;/table&gt;'); &lt;/script&gt; &lt;/form&gt; &lt;?php if($_POST['submit']=== 'submit') { $amatrix=$_POST['amatrix']; $bmatrix=$_POST['bmatrix']; echo "&lt;table&gt;"; echo "The resultant matrix is :"; for($m=0;$m&lt;$ar;$m++) { echo "&lt;tr&gt;"; for($n=0;$n&lt;$ac;$n++) { $cmatrix[$m][$n]=$amatrix[$m][$n]+$bmatrix[$m][$n]; echo "&lt;td&gt;"; echo $cmatrix[$m][$n]; echo "&lt;/td&gt;"; } echo "&lt;/tr&gt;"; } echo "&lt;/table&gt;"; } ?&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>if user gives:</p> <p>Enter the number of rows for matrix : 2</p> <p>Enter the number of columns for matrix : 2</p> <p>Enter the A matrix :</p> <p>2 4</p> <p>3 5</p> <p>Enter the B matrix :</p> <p>3 4</p> <p>5 6</p> <p>The resultant matrix is:</p> <p>5 8</p> <p>8 11</p> <p>This is my expected result.</p>
 

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