根据MATLAB中的find函数，写了三个常用的寻址函数。分别用于查找大于、小于数组特定值的数组元素，以及等于图像中特定值的元素坐标。-According to MATLAB s find function, write the three commonly used addressing function. Were used to search for more than, less than a specific value of an array of array elements, a