{"id":4524,"date":"2021-10-27T23:00:00","date_gmt":"2021-10-27T17:30:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=4524"},"modified":"2021-10-30T08:38:43","modified_gmt":"2021-10-30T03:08:43","slug":"c-program-to-multiply-two-matrices-using-multi-dimensional-arrays","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/c-program-to-multiply-two-matrices-using-multi-dimensional-arrays\/","title":{"rendered":"C Program To Multiply Two Matrices Using Multi-dimensional Arrays"},"content":{"rendered":"\n<p>In this post, we will learn <strong>how to multiply two matrices using multi-dimensional arrays in C <\/strong>Programming language.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-multiply-two-matrices-using-arrays.png\" alt=\"C Program To Multiply Two Matrices Using Multi-dimensional Arrays\" class=\"wp-image-4535\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-multiply-two-matrices-using-arrays.png 1200w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-multiply-two-matrices-using-arrays-768x432.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>To multiply two matrices, we have to follow certain rules. Those rules are as follows:-<\/p>\n\n\n\n<ol><li>Make sure that the <strong>no. of column<\/strong> in the first matrix equals the<strong> no. of rows<\/strong> in the second matrix<\/li><li>Multiply the elements of each row of the first matrix by the elements of each column in the second matrix<\/li><li>Add the Products<\/li><li>Place the added products in the respective column<\/li><\/ol>\n\n\n\n<p>We will be using the above rules in our program to compute the multiplication of two matrices.<\/p>\n\n\n\n<p>So, without further ado, let&#8217;s begin this tutorial.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6646ce019fa6d\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0090ff;color:#0090ff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6646ce019fa6d\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.codingbroz.com\/c-program-to-multiply-two-matrices-using-multi-dimensional-arrays\/#C_Program_To_Multiply_Two_Matrices_Using_Multi-dimensional_Arrays\" title=\"C Program To Multiply Two Matrices Using Multi-dimensional Arrays\">C Program To Multiply Two Matrices Using Multi-dimensional Arrays<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/c-program-to-multiply-two-matrices-using-multi-dimensional-arrays\/#How_Does_This_Program_Work\" title=\"How Does This Program Work ?\">How Does This Program Work ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.codingbroz.com\/c-program-to-multiply-two-matrices-using-multi-dimensional-arrays\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Program_To_Multiply_Two_Matrices_Using_Multi-dimensional_Arrays\"><\/span><strong>C Program To Multiply Two Matrices Using Multi-dimensional Arrays<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;stdio.h>\nint main(){\n  int i, j, k, sum = 0, row1, column1, row2, column2;\n  int first[10][10], second[10][10], result[10][10];\n  \n  \/\/Asking for input\n  printf(\"Enter no. of rows and columns of first matrix: \/n\");\n  scanf(\"%d %d\", &amp;row1, &amp;column1);\n  printf(\"Enter no. of rows and columns of second matrix: \/n\");\n  scanf(\"%d %d\", &amp;row2, &amp;column2);\n  \n  if (column1 != row2)\n    printf(\"Error!! Multiplication is not possible.\");\n  else{\n    printf(\"Enter elements of first matrix: \\n\");\n    for(i = 0; i &lt; row1; i++)\n    for(j = 0; j &lt; column1; j++)\n    scanf(\"%d\", &amp;first[i][j]);\n    \n    printf(\"Enter elements of second matrix: \\n\");\n    for (i = 0; i &lt; row2; i++)\n    for (j = 0; j &lt; column2; j++)\n    scanf(\"%d\", &amp;second[i][j]);\n    \n    \/\/Calculating the multiplication\n    for (i = 0; i &lt; row1; i++)\n    {\n      for (j = 0; j &lt; column2; j++)\n      {\n        for (k = 0; k &lt; row2; k++)\n        {\n          sum = sum + first[i][k] * second[k][j];\n        }\n        result[i][j] = sum;\n        sum = 0;\n      }\n    }\n    \n    \/\/Displaying the result\n    printf(\"Multiplication of two matrices are: \\n\");\n    for (i = 0; i &lt; row1; i++)\n    {\n      for (j = 0; j &lt; column2; j++)\n      printf(\"%d \\t\", result[i][j]);\n      printf(\"\\n\");\n    }\n  }\n  return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter no. of rows and columns of first matrix: 2 2\nEnter no. of rows and columns of second matrix: 2 2\nEnter elements of first matrix: \n1 2\n3 4\nEnter elements of second matrix: \n2 1 \n4 3\nMultiplication of two matrices are: \n10     7     \n22     15     \n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_This_Program_Work\"><\/span><strong>How Does This Program Work ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int i, j, k, sum = 0, row1, column1, row2, column2;\nint first[10][10], second[10][10], result[10][10];\n<\/pre>\n\n\n\n<p>In this program, we have declared some <strong>int data type <\/strong>variables which will store the elements of the two matrices.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  \/\/Asking for input\n  printf(\"Enter no. of rows and columns of first matrix: \/n\");\n  scanf(\"%d %d\", &amp;row1, &amp;column1);\n  printf(\"Enter no. of rows and columns of second matrix: \/n\");\n  scanf(\"%d %d\", &amp;row2, &amp;column2);\n<\/pre>\n\n\n\n<p>Then, the user is asked to enter the no. of <strong>rows<\/strong> and <strong>columns<\/strong> of the two matrices.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  if (column1 != row2)\n    printf(\"Error!! Multiplication is not possible.\");\n<\/pre>\n\n\n\n<p>If <strong>no. of columns of the first matrix = no. of rows of the second matrix<\/strong>, then Multiplication of the two matrices is possible. Otherwise, our program will display the message that &#8220;<em>Multiplication is not possible<\/em>&#8220;.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    printf(\"Enter elements of first matrix: \\n\");\n    for(i = 0; i &lt; row1; i++)\n    for(j = 0; j &lt; column1; j++)\n    scanf(\"%d\", &amp;first[i][j]);\n    \n    printf(\"Enter elements of second matrix: \\n\");\n    for (i = 0; i &lt; row2; i++)\n    for (j = 0; j &lt; column2; j++)\n    scanf(\"%d\", &amp;second[i][j]);\n<\/pre>\n\n\n\n<p>Now, the user is asked to enter the elements of the first and second matrix.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/Calculating the multiplication\n    for (i = 0; i &lt; row1; i++)\n    {\n      for (j = 0; j &lt; column2; j++)\n      {\n        for (k = 0; k &lt; row2; k++)\n        {\n          sum = sum + first[i][k] * second[k][j];\n        }\n        result[i][j] = sum;\n        sum = 0;\n      }\n    }\n<\/pre>\n\n\n\n<p>We calculate the multiplication of the two matrices using a simple for loop.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/Displaying the result\n    printf(\"Multiplication of two matrices are: \\n\");\n    for (i = 0; i &lt; row1; i++)\n    {\n      for (j = 0; j &lt; column2; j++)\n      printf(\"%d \\t\", result[i][j]);\n      printf(\"\\n\");\n    }\n  }\n<\/pre>\n\n\n\n<p>Finally, the end product is displayed to the screen using <strong>printf()<\/strong> function.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I hope after going through this post, you understand <strong>how to multiply two matrices using multi-dimensional arrays in C <\/strong>Programming language.<\/p>\n\n\n\n<p>If you have any doubt regarding the program, feel free to contact us in the comment section. We will be delighted to help you.<\/p>\n\n\n\n<p><strong>Also Read:<\/strong><\/p>\n\n\n\n<ul><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-add-two-fractions\/\" data-type=\"post\" data-id=\"4435\">C Program To Add Two Fractions<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-add-two-binary-numbers\/\" data-type=\"post\" data-id=\"4477\">C Program To Add Two Binary numbers<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-convert-celsius-to-fahrenheit\/\" data-type=\"post\" data-id=\"4502\">C Program To Convert Celsius To Fahrenheit<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-convert-fahrenheit-to-celsius\/\" data-type=\"post\" data-id=\"4514\">C Program To Convert Fahrenheit To Celsius<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-add-two-matrices-using-multi-dimensional-arrays\/\" data-type=\"post\" data-id=\"4506\">C Program To Add Two Matrices Using Multi-dimenisonal Arrays<\/a><\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will learn how to multiply two matrices using multi-dimensional arrays in C Programming language.<\/p>\n","protected":false},"author":2,"featured_media":4535,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[167,294],"tags":[222,381,206],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-multiply-two-matrices-using-arrays.png","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4524"}],"collection":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/comments?post=4524"}],"version-history":[{"count":6,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4524\/revisions"}],"predecessor-version":[{"id":4537,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4524\/revisions\/4537"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media\/4535"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=4524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=4524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=4524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}