diff --git a/tests/Math/Functions/BetaTest.php b/tests/Math/Functions/BetaTest.php
index 93bd8deb6..ebd1bc749 100755
--- a/tests/Math/Functions/BetaTest.php
+++ b/tests/Math/Functions/BetaTest.php
@@ -32,7 +32,7 @@ final class BetaTest extends \PHPUnit\Framework\TestCase
     {
         self::assertEqualsWithDelta(1.0, Beta::beta(0, 3), 0.001);
         self::assertEqualsWithDelta(4.4776093, Beta::beta(1.5, 0.2), 0.001);
-        self::assertEqualsWithDelta(0.045648, Beta::beta(2, 4), 0.001);
+        self::assertEqualsWithDelta(0.05, Beta::beta(2, 4), 0.001);
     }
 
     /**
diff --git a/tests/Math/Matrix/MatrixTest.php b/tests/Math/Matrix/MatrixTest.php
index 4dd36eab5..b2cda891f 100755
--- a/tests/Math/Matrix/MatrixTest.php
+++ b/tests/Math/Matrix/MatrixTest.php
@@ -527,12 +527,12 @@ final class MatrixTest extends \PHPUnit\Framework\TestCase
 
     public function testDotVectorMatrix() : void
     {
-        $v = Vector::fromArray([3, 4]);
+        $v = Vector::fromArray([3, 4])->transpose();
 
         self::assertEquals(
             [11, 39, 53],
             $v->dot(
-                MAtrix::fromArray([
+                Matrix::fromArray([
                     [1, 5, 7],
                     [2, 6, 8],
                 ])