 
   describe 'transp() function', ->
 
-    it 'transposes a matrix to a new one', ->
+    it 'transposes a matrix to a new matrix', ->
       B = A.clone()
       C = B.transp() # tested function
       expect(C).toEqual M [ 1, 2


      expect(-> M [ 1, 2, 3 ]).toThrow()


  describe 'isSameSize() function', ->


      expect(B).toEqual A2_A # source unchanged ?
      expect(B2).toEqual A

    it 'adds two matrices to the second matrix', ->
      B = A2_A.clone()
      B2 = A.clone()
      C = B.add(B2, B2) # tested function
