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PHP Matrix::normF方法代碼示例

本文整理匯總了PHP中Matrix::normF方法的典型用法代碼示例。如果您正苦於以下問題:PHP Matrix::normF方法的具體用法?PHP Matrix::normF怎麽用?PHP Matrix::normF使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在Matrix的用法示例。


在下文中一共展示了Matrix::normF方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的PHP代碼示例。

示例1: TestMatrix


//.........這裏部分代碼省略.........
      *   arrayTimesEquals
      *   uminus
      */
     print "<p>Testing array-like methods...</p>";
     /**
      * I/O methods:
      *   read
      *   print
      *   serializable:
      *   writeObject
      *   readObject
      */
     print "<p>Testing I/O methods...</p>";
     /**
      * Test linear algebra methods
      */
     echo "<p>Testing linear algebra methods...<p>";
     $A = new Matrix($columnwise, 3);
     if ($this->checkMatrices($A->transpose(), $T)) {
         $this->try_success("Transpose check...");
     } else {
         $errorCount = $this->try_failure($errorCount, "Transpose check...", "Matrices are not equal");
     }
     if ($this->checkScalars($A->norm1(), $columnsummax)) {
         $this->try_success("Maximum column sum...");
     } else {
         $errorCount = $this->try_failure($errorCount, "Maximum column sum...", "Incorrect: " . $A->norm1() . " != " . $columnsummax);
     }
     if ($this->checkScalars($A->normInf(), $rowsummax)) {
         $this->try_success("Maximum row sum...");
     } else {
         $errorCount = $this->try_failure($errorCount, "Maximum row sum...", "Incorrect: " . $A->normInf() . " != " . $rowsummax);
     }
     if ($this->checkScalars($A->normF(), sqrt($sumofsquares))) {
         $this->try_success("Frobenius norm...");
     } else {
         $errorCount = $this->try_failure($errorCount, "Frobenius norm...", "Incorrect:" . $A->normF() . " != " . sqrt($sumofsquares));
     }
     if ($this->checkScalars($A->trace(), $sumofdiagonals)) {
         $this->try_success("Matrix trace...");
     } else {
         $errorCount = $this->try_failure($errorCount, "Matrix trace...", "Incorrect: " . $A->trace() . " != " . $sumofdiagonals);
     }
     $B = $A->getMatrix(0, $A->getRowDimension(), 0, $A->getRowDimension());
     if ($B->det() == 0) {
         $this->try_success("Matrix determinant...");
     } else {
         $errorCount = $this->try_failure($errorCount, "Matrix determinant...", "Incorrect: " . $B->det() . " != " . 0);
     }
     $A = new Matrix($columnwise, 3);
     $SQ = new Matrix($square);
     if ($this->checkMatrices($SQ, $A->times($A->transpose()))) {
         $this->try_success("times(Matrix)...");
     } else {
         $errorCount = $this->try_failure($errorCount, "times(Matrix)...", "Unable to multiply matrices");
         $SQ->toHTML();
         $AT->toHTML();
     }
     $A = new Matrix($columnwise, 4);
     $QR = $A->qr();
     $R = $QR->getR();
     $Q = $QR->getQ();
     if ($this->checkMatrices($A, $Q->times($R))) {
         $this->try_success("QRDecomposition...", "");
     } else {
         $errorCount = $this->try_failure($errorCount, "QRDecomposition...", "incorrect qr decomposition calculation");
開發者ID:sysraj86,項目名稱:carnivalcrm,代碼行數:67,代碼來源:TestMatrix.php


注:本文中的Matrix::normF方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。