made changes to matrix questions.
authorAnoop Jacob Thomas<anoop@fossee.in>
Sun, 07 Nov 2010 16:56:37 +0530
changeset 397 4aea9ed09983
parent 396 f0c97fd60e5c
child 398 36295bb91766
made changes to matrix questions.
matrices/questions.rst
--- a/matrices/questions.rst	Sun Nov 07 16:51:41 2010 +0530
+++ b/matrices/questions.rst	Sun Nov 07 16:56:37 2010 +0530
@@ -3,14 +3,14 @@
 
 .. A mininum of 8 questions here (along with answers)
 
-1. ``matrix(A) * matrix(B)`` and ``array(A) * array(B)`` are the same.
+1. ``array(A) * array(B)`` does matrix multiplication.
 
     a. True
     #. False
 
 Answer: False
 
-2. ``matrix(A) * array(B)`` does,
+2. ``array(A) * array(B)`` does,
 
    a. Element wise multiplication.
    #. Matrix multiplication.
@@ -19,9 +19,9 @@
       multiplication will be done, otherwise element wise
       multiplication.
 
-Answer: Matrix multiplication
+Answer: Element wise multiplication.
 
-3. A and B are two matrix objects. Element wise multiplication in
+3. A and B are two array objects. Element wise multiplication in
    matrices are done by,
 
    a. A * B
@@ -29,7 +29,7 @@
    #. ``dot(A, B)``
    #. ``element_multiply(A,B)``
 
-Answer: multiply(A, B)
+Answer: dot(A, B)
 
 4. ``norm(A)`` method determines the,
 
@@ -50,7 +50,7 @@
 6. The code snippet will work without an error,
    ::
 
-       A = matrix([[1, 2, 3, 4], [5, 6, 7, 8]])
+       A = array([[1, 2, 3, 4], [5, 6, 7, 8]])
        inv(A)
 
    a. True