How to fix the error message, "incorrect dimensions for matrix multiplication"?

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Alexander Black
Alexander Black 2021-12-6
回答： Star Strider 2021-12-6

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Star Strider
Star Strider 2021-12-6
I cannot run images of code, only code text.
The code needs to do element-wise multiplication —
x = 0:0.1:120;
p = 150;
e = 104000;
i = 4;
l = 120;
y = ((p*x.^2) / (6*e*i)) .* ((3*l)*x);
% ↑ ← HERE
.

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