{"id":26031,"date":"2022-12-15T03:14:32","date_gmt":"2022-12-14T21:44:32","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-php-data-strucure-to-hold-matrix-of-strings-and-numeric-values\/"},"modified":"2022-12-15T03:14:32","modified_gmt":"2022-12-14T21:44:32","slug":"solved-php-data-strucure-to-hold-matrix-of-strings-and-numeric-values","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-php-data-strucure-to-hold-matrix-of-strings-and-numeric-values\/","title":{"rendered":"[Solved] PHP – Data Strucure to hold Matrix of Strings and Numeric Values"},"content":{"rendered":"

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I found the answer i was looking for from below link.
\n[http:\/\/hawkee.com\/snippet\/10086\/]<\/a><\/p>\n

for anyone who is interested in this finding out i will post it here.<\/p>\n

There is second solution for this also using array within array. Which i will post below this, <\/p>\n

<?php \nclass Matrix {\n    public $arr, $rows, $cols;\n\n    function Matrix($row, $col) {\n        if ($row > 0 && $col > 0) {\n            $arr        = array();\n            $this->rows = $row;\n            $this->cols = $col;\n\n            for ($a=0; $a < $this->rows; $a++) {\n                array_push($arr,array());\n\n                for ($b=0; $b < $this->cols; $b++) {\n                    array_push($arr[$a],0);\n                }\n            }\n        }\n    }\n\n    function SetElem($x, $y, $val) {\n        if ($x > -1 && $x < $this->rows) {\n            if ($y > -1 && $y < $this->cols) {\n                $this->arr[$x][$y] = $val;\n            }\n        }\n    }\n\n    function GetElem($x, $y) {\n        if ($x > -1 && $x < $this->rows) {\n            if ($y > -1 && $y < $this->cols) {\n                return $this->arr[$x][$y];\n            }\n        }\n    }\n\n    function Add($matrix) {\n        if ($this->rows == $matrix->rows && $this->cols == $matrix->cols) {\n            $rslt = new Matrix($this->rows,$this->cols);\n\n            for ($a=0; $a < $this->rows; $a++) {\n                for ($b=0; $b < $this->cols; $b++) {\n                    $rslt->SetElem($a,$b,$this->GetElem($a,$b) + $matrix->GetElem($a,$b));\n                }\n            }\n\n            return $rslt;\n        }\n    }\n\n    function Subtract($matrix) {\n        if ($this->rows == $matrix->rows && $this->cols == $matrix->cols) {\n            $rslt = new Matrix($this->rows,$this->cols);\n\n            for ($a=0; $a < $this->rows; $a++) {\n                for ($b=0; $b < $this->cols; $b++) {\n                    $rslt->SetElem($a,$b,$this->GetElem($a,$b) - $matrix->GetElem($a,$b));\n                }\n            }\n\n            return $rslt;\n        }\n    }\n\n    function Multiply($matrix) {\n        if ($this->cols == $matrix->rows) {\n            $rslt = new Matrix($this->rows, $matrix->cols);\n\n            for ($a=0; $a < $rslt->rows; $a++) {\n                for ($b=0; $b < $rslt->cols; $b++) {\n                    $total = 0;\n\n                    for ($c=0; $c < $matrix->rows; $c++) {\n                        $total += $this->GetElem($a,$c) * $matrix->GetElem($c,$b);\n                    }\n\n                    $rslt->SetElem($a,$b,$total);\n                }\n            }\n\n            return $rslt;\n        }\n    }\n\n    function ScalarMultiply($num) {\n        $rslt = new Matrix($this->rows,$this->cols);\n\n        for  ($a=0; $a < $rslt->rows; $a++) {\n            for  ($b=0; $b < $rslt->cols; $b++) {\n                $rslt->SetElem($a,$b,$this->GetElem($a,$b) * $num);\n            }\n        }\n\n        return $rslt;\n    }\n}\n?>\n<\/code><\/pre>\n
Usage:<\/p>\n
<?php include 'Matrix.php'; \n$mat = new Matrix(2,2);\n\n$mat->SetElem(0,0,1);\n$mat->SetElem(0,1,2);\n$mat->SetElem(1,0,3);\n$mat->SetElem(1,1,4);\n\n$mat2 = new Matrix(2,2);\n\n$mat2->SetElem(0,0,5);\n$mat2->SetElem(0,1,6);\n$mat2->SetElem(1,0,7);\n$mat2->SetElem(1,1,8);\n\n$MultiplyResult = $mat->Multiply($mat2);\n$ScalarResult   = $mat->ScalarMultiply(2);\n$AddResult      = $mat->Add($mat2);\n$SubtractResult = $mat->Subtract($mat2);\n<\/code><\/pre>\n
second solution was to not all that good but still will do the work.<\/p>\n
$graha = array\n  (\n  array(\"Sun\",5,5,0,4 ... ),\n  array(\"Moon\",5,3,...),\n  ... \n);\n<\/code><\/pre>\n
In this you have to keep the index[1=Sun,2=Moon,] somewhere else to find out which element it matches when requesting elements from the matrix.<\/p>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            <\/span> <\/p><\/div>\n<\/div>\n
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solved PHP – Data Strucure to hold Matrix of Strings and Numeric Values <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] I found the answer i was looking for from below link. [http:\/\/hawkee.com\/snippet\/10086\/] for anyone who is interested in this finding out i will post it here. There is second solution for this also using array within array. Which i will post below this, <?php class Matrix { public $arr, $rows, $cols; function Matrix($row, $col) … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[859,1331,339],"class_list":["post-26031","post","type-post","status-publish","format-standard","hentry","category-solved","tag-data-structures","tag-matrix","tag-php"],"yoast_head":"\n[Solved] PHP - Data Strucure to hold Matrix of Strings and Numeric Values - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-php-data-strucure-to-hold-matrix-of-strings-and-numeric-values\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] PHP - Data Strucure to hold Matrix of Strings and Numeric Values - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I found the answer i was looking for from below link. [http:\/\/hawkee.com\/snippet\/10086\/] for anyone who is interested in this finding out i will post it here. There is second solution for this also using array within array. Which i will post below this, <?php class Matrix { public $arr, $rows, $cols; function Matrix($row, $col) ... 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[http:\/\/hawkee.com\/snippet\/10086\/] for anyone who is interested in this finding out i will post it here. There is second solution for this also using array within array. Which i will post below this, <?php class Matrix { public $arr, $rows, $cols; function Matrix($row, $col) ... 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