parse error message. "Parse error at '<='. usage might be invalid syntax"

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Chas Seldon
Chas Seldon 2020-3-23
回答： Fangjun Jiang 2020-3-23
This code:
i=0;
for i <= 3
[X,Y,t] = meshgrid(0:2,0:2,0:i);
U = X;
V = t.^2;
quiver(X,Y,U,V);
i+1;
end
gives the error message: "Parse error at '<='. usage might be invalid syntax". I don't know why this would be invalid syntax.

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回答（1 个）

Fangjun Jiang
Fangjun Jiang 2020-3-23
Looks like it needs to be "while i<=3"

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