Differences

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--- documentation:ref:expandtensors [2015/11/20 20:42]
poslavskysv [Examples]
+++ documentation:ref:expandtensors [2015/11/21 12:33] (current)
@@ Line 41: / Line 41: @@
 <sxh plain; gutter: false>
    > (c+r)*(c+d)*(a+b)**2*f_a*f^a + (c+r)*((a+b)*(c+d)*(k+i) +
-          (a + c))*t_a*(a+b)*f^a + (c+r)*(a+b)*(c+d)*f_a*(c+d)*t^a
+          (a + c))*(a+b)*t_a*f^a + (c+r)*(a+b)*(c+d)*(c+d)*f_a*t^a
-          + (c+r)*((a+b)*(c+d)*(k+i) + (a + c))*t_a*(c+d)*t^a
+          + (c+r)*((a+b)*(c+d)*(k+i) + (a + c))*(c+d)*t_a*t^a
 </sxh>
+----
+Specify additional simplifications:
+<sxh groovy; gutter: false>
+def simplify = 'f_a*f^a = a'.t & 'f_a*t^a = b'.t & 't_a*t^a = c'.t
+def t = '(2*(c+a)-164*a)*(f_{a}+t_{a})*f^{a}'.t
+println ExpandTensors[simplify] >> t
+</sxh>
+<sxh plain; gutter: false>
+   > a*(-164*a+2*(c+a))+b*(-164*a+2*(c+a))
+</sxh>
 ====See also====
   * Related guides: [[documentation:guide:applying_and_manipulating_transformations]], [[documentation:guide:list_of_transformations]]
   * Related transformations: [[documentation:ref:expand]],  [[documentation:ref:expandall]], [[documentation:ref:expandnumerator]], [[documentation:ref:expanddenominator]]
-  * JavaDocs: [[http://api.redberry.cc/redberry/1.1.8/java-api/cc/redberry/core/transformations/expand/ExpandTensorsTransformation.html|ExpandTensorsTransformation]]
+  * JavaDocs: [[http://api.redberry.cc/redberry/1.1.9/java-api/cc/redberry/core/transformations/expand/ExpandTensorsTransformation.html|ExpandTensorsTransformation]]
   * Source code: [[https://bitbucket.org/redberry/redberry/src/tip/core/src/main/java/cc/redberry/core/transformations/expand/ExpandTensorsTransformation.java|ExpandTensorsTransformation.java]]