symbolic integer, Why doesn't it work?

2021 2 1
1 个回答
更新时间：2021 2 8
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0 个投票

I want to find the sum:
I tried finding with symbolic integer
syms n t
evalin(symengine,'assume(n,Type::Integer)');
symsum(exp(-k^2*t),k,1,n-1)
or
syms n t
evalin(symengine,'assume(n,Type::Integer)');
symsum(exp(-k*k*t),k,1,n-1)
I have got the next answer

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回答（1 个）

Shubham Rawat
Shubham Rawat 2021-2-4

0 个投票

Hi Katalin,
You may try this:
syms k t
evalin(symengine,'assume(n,Type::Integer)');
n = 3; %taking input from workspace
symsum(exp(-k*k*t),k,1,n-1)
Result :
ans =
exp(-t) + exp(-4*t)
Hope this Helps!

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