Data commit

Task/Element-wise-operations/Jq/element-wise-operations-1.jq

@@ -0,0 +1,12 @@
+# Occurrences of .[0] in "operator" will refer to an element in self,
+# and occurrences of .[1] will refer to the corresponding element in other.
+def elementwise( operator; other ):
+  length as $rows
+  | if $rows == 0 then .
+    else . as $self
+    | other as $other
+    | ($self[0]|length) as $cols
+    | reduce range(0; $rows) as $i
+        ([]; reduce range(0; $cols) as $j
+          (.; .[$i][$j] = ([$self[$i][$j], $other[$i][$j]] | operator) ) )
+    end ;

Task/Element-wise-operations/Jq/element-wise-operations-2.jq

@@ -0,0 +1,4 @@
+[[3,1,4],[1,5,9]] as $m1 | [[2,7,1],[8,2,2]] as $m2
+| ( ($m1|elementwise(.[0] + .[1]; $m2) ),
+    ($m1|elementwise(.[0] + 2 * .[1]; $m2) ),
+    ($m1|elementwise(.[0] < .[1]; $m2) ) )

Task/Element-wise-operations/Jq/element-wise-operations-3.jq

@@ -0,0 +1,3 @@
+[[5,8,5],[9,7,11]]
+[[7,15,6],[17,9,13]]
+[[false,true,false],[true,false,false]]

Task/Element-wise-operations/Jq/element-wise-operations-4.jq

@@ -0,0 +1,23 @@
+def elementwise2( operator; other ):
+  def pow(i): . as $in | reduce range(0;i) as $i (1; .*$in);
+  def operation(x; op; y):
+    [x,y] | op as $op
+    | if $op == "+" then x+y
+      elif $op == "-" then x-y
+      elif $op == "*" then x*y
+      elif $op == "/" then x/y
+      elif $op == "%" then x%y
+      elif $op == "//" then x/y|floor
+      elif $op == "**" or $op == "^" or $op == "pow" then x|pow(y)
+      else $op
+      end;
+
+  length as $rows
+  | if $rows == 0 then .
+    else . as $self
+    | other as $other
+    | ($self[0]|length) as $cols
+    | reduce range(0; $rows) as $i
+        ([]; reduce range(0; $cols) as $j
+          (.; .[$i][$j] = operation($self[$i][$j]; operator; $other[$i][$j] ) ) )
+    end;

Task/Element-wise-operations/Jq/element-wise-operations-5.jq

@@ -0,0 +1,4 @@
+[[3,1,4],[1,5,9]] as $m1 | [[2,7,1],[8,2,2]] as $m2
+  | ( ($m1|elementwise2("+"; $m2) ),
+      ($m1|elementwise2("//"; $m2)),
+      ($m1|elementwise2(.[0] < .[1]; $m2) ) )

Task/Element-wise-operations/Jq/element-wise-operations-6.jq

@@ -0,0 +1,3 @@
+[[5,8,5],[9,7,11]]
+[[1,0,4],[0,2,4]]
+[[false,true,false],[true,false,false]]