Hi all,
i've written a function to explain the rule of sarrus. Is there a
possibility to return latex code insted of a text? I'd like to use
something like $\sage{sarrus(A)}$ in sagetex.
Thanks a lot,
Georg
P.S.: I expirimented with JSMathExpr from sage.misc.latex, but i
couldn't improve the output.
def sarrus(A):
res=""
for i in range(3):
if (A[0,i]>=0):
res+="+"+latex(A[0,i])
else:
res+="+("+latex(A[0,i])+")"
if (A[1,(i+1)%3]>=0):
res+="*"+latex(A[1,(i+1)%3])
else:
res+="*("+latex(A[1,(i+1)%3])+")"
if (A[2,(i+2)%3]>=0):
res+="*"+latex(A[2,(i+2)%3])
else:
res+="*("+latex(A[2,(i+2)%3])+")"
for i in range(2,5):
if (A[0,i%3]>=0):
res+="-"+latex(A[0,i%3])
else:
res+="-("+latex(A[0,i%3])+")"
if (A[1,(i-1)%3] >= 0):
res+="*"+latex(A[1,(i-1)%3])
else:
res+="*("+latex(A[1,(i-1)%3])+")"
if (A[2,(i-2)%3]>=0):
res+="*"+latex(A[2,(i-2)%3])
else:
res+="*("+latex(A[2,(i-2)%3])+")"
return res
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