Documentation of tensor.basic elementwise logic functions.

doc/library/tensor/basic.txt

@@ -257,6 +257,87 @@ Casting
 Logic Functions
 ---------------
 
+.. function:: lt(a, b)
+    Returns a variable representing the result of logical less than (a<b).
+      :Parameter:  *a* - symbolic Tensor (or compatible)
+      :Parameter:  *b* - symbolic Tensor (or compatible)
+      :Return type: symbolic Tensor
+      :Returns: a symbolic tensor representing the application of logical 
+      elementwise less than.
+
+.. code-block:: python 
+    import theano.tensor as T
+    x,y = T.dmatrices('x','y')
+    z = T.lt(x,y)
+
+.. function:: gt(a, b)
+    Returns a variable representing the result of logical greater than (a>b).
+      :Parameter:  *a* - symbolic Tensor (or compatible)
+      :Parameter:  *b* - symbolic Tensor (or compatible)
+      :Return type: symbolic Tensor
+      :Returns: a symbolic tensor representing the application of logical 
+      elementwise greater than.
+
+.. code-block:: python 
+    import theano.tensor as T
+    x,y = T.dmatrices('x','y')
+    z = T.gt(x,y)
+
+.. function:: le(a, b)
+    Returns a variable representing the result of logical less than or
+    equal (a<=b).
+      :Parameter:  *a* - symbolic Tensor (or compatible)
+      :Parameter:  *b* - symbolic Tensor (or compatible)
+      :Return type: symbolic Tensor
+      :Returns: a symbolic tensor representing the application of logical 
+      elementwise less than or equal.
+
+.. code-block:: python 
+    import theano.tensor as T
+    x,y = T.dmatrices('x','y')
+    z = T.le(x,y)
+
+.. function:: ge(a, b)
+    Returns a variable representing the result of logical greater or equal
+     than (a>=b).
+      :Parameter:  *a* - symbolic Tensor (or compatible)
+      :Parameter:  *b* - symbolic Tensor (or compatible)
+      :Return type: symbolic Tensor
+      :Returns: a symbolic tensor representing the application of logical 
+      elementwise greater than or equal.
+
+.. code-block:: python 
+    import theano.tensor as T
+    x,y = T.dmatrices('x','y')
+    z = T.ge(x,y)
+
+.. function:: eq(a, b)
+    Returns a variable representing the result of logical equality (a==b).
+      :Parameter:  *a* - symbolic Tensor (or compatible)
+      :Parameter:  *b* - symbolic Tensor (or compatible)
+      :Return type: symbolic Tensor
+      :Returns: a symbolic tensor representing the application of logical 
+      elementwise equality.
+
+.. code-block:: python 
+    import theano.tensor as T
+    x,y = T.dmatrices('x','y')
+    z = T.eq(x,y)
+
+.. function:: neq(a, b)
+    Returns a variable representing the result of logical inequality
+    (a!=b).
+      :Parameter:  *a* - symbolic Tensor (or compatible)
+      :Parameter:  *b* - symbolic Tensor (or compatible)
+      :Return type: symbolic Tensor
+      :Returns: a symbolic tensor representing the application of logical 
+      elementwise inequality.
+
+.. code-block:: python 
+    import theano.tensor as T
+    x,y = T.dmatrices('x','y')
+    z = T.neq(x,y)
+
 Mathematical
 ------------