Invalid array indexing. Column 77. Help

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Binh
Binh 2023-5-26
回答： VBBV 2023-5-26
quiver3(position(1), position(2), position(3), normalAcceleration * cross(velocity, acceleration)(1), normalAcceleration * cross(velocity, acceleration)(2), normalAcceleration * cross(velocity, acceleration)(3), 'g', 'LineWidth', 1.5);
Error: File: plotIntersection.m Line: 40 Column: 77
Invalid array indexing.
I don't know how to fix it. Help me, pls.

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回答（1 个）

VBBV
VBBV 2023-5-26
delete the (1), (2) & (3) after cross function and place it inside as shown
quiver3(position(1), position(2), position(3), ...
normalAcceleration * cross(velocity(1), acceleration(1)), normalAcceleration * cross(velocity(2), acceleration(2)),...
normalAcceleration * cross(velocity(3), acceleration(3)), 'g', 'LineWidth', 1.5);

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