symbolic calculation in MATLAB

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YOGESHWARI PATEL
YOGESHWARI PATEL 2021 年 11 月 30 日
コメント済み: YOGESHWARI PATEL 2021 年 12 月 12 日
syms x t
U=zeros(1,2,'sym');
series1(x,t)=sym(zeros(1,1));
for k=1:10
U(k)=(-x)^k-1/(factorial(k))
end
for k=1:9
series1(x,t)=simplify(series1(x,t)+U(k)*(power(t,k-1)));
end
series1
C1=zeros(1);
for x=1:3:6
e=(x-1);
for t=1:3:6
f=(t-1)/10;
C1(x,t)=series1(e,f);
end
end
vpa(C1,15)
In command window following result is dispalyed:
[ -1.0, 0, 0, -1.16619602524777]
[ 0, 0, 0, 0]
[ 0, 0, 0, 0]
[ -4.0, 0, 0, -3.35685995524777]
Why in between zeros are diaplayed and if I dont want to dispaly the zeros what changes should I make?
  1 件のコメント
YOGESHWARI PATEL
YOGESHWARI PATEL 2021 年 12 月 12 日
thank you

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採用された回答

Awais Saeed
Awais Saeed 2021 年 12 月 7 日
You are not storing in C1 properly. You are using x and t, whihc are incrementing with a step size of 3.
syms x t
U=zeros(1,2,'sym');
series1(x,t)=sym(zeros(1,1));
for k=1:10
U(k)=(-x)^k-1/(factorial(k));
end
for k=1:9
series1(x,t)=simplify(series1(x,t)+U(k)*(power(t,k-1)));
end
row = 0;
for x=1:3:6
row = row + 1;
col = 0;
e=(x-1);
for t=1:3:6
col = col + 1;
f=(t-1)/10;
C1(row,col)=series1(e,f);
end
end
vpa(C1,15)
ans = 
  1 件のコメント
YOGESHWARI PATEL
YOGESHWARI PATEL 2021 年 12 月 12 日
thank you

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