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make loop if two variable (x and y) present calculate value for (x1 and y1) and store separate name for same formula another calculate for (x2,y2) and store by separate?

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Arvind
Arvind 2023-4-10
评论： Walter Roberson 2023-4-10
x = [1 2 3 4 5];
y= [ 8 3 2 1 6];
z = exp(x)+x*y^3 +y;
calculate it and store as
z1(x1,y1)
z2(x2,y2)
...so on..
and
plot(x1,z1)
hold on
plot(x2,z2)
hold on
plot(x3,z3)
.....
hold off

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回答（1 个）

VBBV
VBBV 2023-4-10
编辑：VBBV 2023-4-10
Ran in:
x = [1 2 3 4 5];
y= [ 8 3 2 1 6];
% vectorize the equation (easier approach)
z = exp(x)+x.*y.^3 +y;
% using for loop
hold on
for k = 1:numel(z)
z(k) = exp(x(k))+x(k)*y(k)^3 +y(k);
plot(x(k),z(k),'ro','MarkerSize',10,'linewidth',2);
end
figure
plot(x,z)
  5 个评论
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VBBV
VBBV 2023-4-10
Ran in:
Can this be made in a loop?
Yes, that i what has been shown in below code
x = [1 2 3 4 5];
y= [ 8 3 2 1 6];
hold on
for k = 1:numel(x)
z(k) = exp(x(k))+x(k)*y(k)^3 +y(k); % as an array
plot(x(k),z(k),'ro','MarkerSize',10,'linewidth',2);
end
figure
hold on
for k = 1:numel(x)
% without array (only scalar z !) as you wanted
z = exp(x(k))+x(k)*y(k)^3 +y(k); % z will have only last value at end of loop !!!
plot(x(k),z,'bo','MarkerSize',10,'linewidth',2);
end

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