Output argument "loc" (and possibly others) not assigned a value in the execution with "KALMANradatst>kalman" function.

当你看到这样的错误消息 "Output argument "loc" (and possibly others) not assigned a value in the execution with "KALMANradatst>kalman" function"，通常意味着你在尝试使用 `kalman` 函数时，该函数期望返回一些结果，比如位置（loc），但你的代码没有明确地接收并存储这些返回值。

在MATLAB的Kalman滤波 (`kalman` 函数或其他与滤波相关的函数) 中，如果你想要利用估计出的结果，你需要将函数的输出赋值给一个变量。例如：

[filtered_states, loc] = kalman(states, transitionMatrix, observationMatrix, processNoiseCovariance, measurementNoiseCovariance);

在这里，`states`、`transitionMatrix` 等是输入参数，`filtered_states` 和 `loc` 是预期的输出。确保你在调用函数后分配了这些变量，以便后续处理。

相关问题

Output argument "Wth" (and possibly others) not assigned a value in the execution with "Carry" function.

这个错误通常表示在使用函数时，某些输出参数没有被赋值。在执行 "Carry" 函数时，"Wth" 参数（以及可能还有其他参数）没有被赋值。

要解决这个问题，你需要确保在函数的所有分支或条件语句中都为输出参数赋值。检查一下你的代码，确保在每个可能的情况下都给 "Wth" 参数赋值。

另外，还要确保在调用 "Carry" 函数时，将输出参数传递给接收它们的变量。例如，如果你有一个变量 "output" 用于接收 "Wth" 参数的值，那么调用函数时应该是这样的： "output = Carry(...)"。

如果你能提供更多的代码细节，我可以给出更具体的建议。

Output argument "sphere" (and possibly others) not assigned a value in the execution with "runica" function.

This error message typically indicates that the output argument "sphere" in the "runica" function has not been assigned a value. The "runica" function is a built-in function in MATLAB for computing the independent components of a multivariate signal.

To resolve this error, you should check that you have provided all the necessary input arguments for the "runica" function, including the input data matrix, the number of independent components to extract, and any optional parameters. Additionally, you should make sure that the output argument "sphere" is properly defined and initialized before calling the "runica" function.

If you continue to experience this error, you may want to consult the MATLAB documentation for more information on using the "runica" function, or seek assistance from the MATLAB community or a qualified MATLAB expert.