Cannot set camera position because of negative integers

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link 2021-1-30
评论： link 2021-1-31
So I want to set the camera position depending on a 3d point in the figure. If I print the current camera position to the console, I get the following output
campos =
279.5283
-101.4030
-740.6563
If I want to set the camera position
cpos =
347.2583
-96.3936
-711.3793
campos(cpos');
I get the error 'Array indices must be positive integers or logical values.'
I don't understand what I am doing wrong, because the campos cleary also has negative values.

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Walter Roberson
Walter Roberson 2021-1-30
campos =
279.5283
-101.4030
-740.6563
That tells us that you assigned something to a variable named campos
campos(cpos');
and now you are trying to use campos as a function. But it is not a function, it is a variable because you assigned to it.
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Walter Roberson
Walter Roberson 2021-1-31
Notice your output had "compos =" at the beginning of it. If you had been calling the campos() function, then the result would have started "ans =" . MATLAB only displays "NAME =" when there is a variable with the given name that is being displayed.

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