Data commit

Task/Cramers-rule/Python/cramers-rule.py

@@ -0,0 +1,13 @@
+def det(m,n):
+ if n==1: return m[0][0]
+ z=0
+ for r in range(n):
+  k=m[:]
+  del k[r]
+  z+=m[r][0]*(-1)**r*det([p[1:]for p in k],n-1)
+ return z
+w=len(t)
+d=det(h,w)
+if d==0:r=[]
+else:r=[det([r[0:i]+[s]+r[i+1:]for r,s in zip(h,t)],w)/d for i in range(w)]
+print(r)