Error: Invalid operands to binary /

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yigui zhang
yigui zhang 2018-7-6
编辑： Image Analyst 2020-4-4
How can I solve this problem?
Error: Invalid operands to binary / (have 'real_T {aka const double}' and 'const real_T * {aka const double *}')
dx[3] = xC[11]*xC[4] - xC[10]*xC[5] + u[0]/Mass;
^
The '/' is where the error happens.

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回答（2 个）

Jiaming Wu
Jiaming Wu 2020-4-4
编辑：Image Analyst 2020-4-4
Change this
dx[3] = xC[11]*xC[4] - xC[10]*xC[5] + u[0]/Mass;
to
dx[3] = xC[11]*xC[4] - xC[10]*xC[5] + u[0]/Mass[0];
Image Analyst
Image Analyst 2018-7-6
MATLAB uses round parentheses, not square brackets, to indicate array elements. Arrays also start at 1, not 0.
dx(3) = xC(12) * xC(5) - xC(11) * xC(6) + u(1)/Mass

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