Logic functions
Truth value testing
| Test whether all array elements along a given axis evaluate to True. |
| Test whether any array element along a given axis evaluates to True. |
Array contents
| Test element-wise for finiteness (not infinity or not Not a Number). |
| Test element-wise for positive or negative infinity. |
| Test element-wise for NaN and return result as a boolean array. |
| Test element-wise for NaT (not a time) and return result as a boolean array. |
| Test element-wise for negative infinity, return result as bool array. |
| Test element-wise for positive infinity, return result as bool array. |
Array type testing
| Returns a bool array, where True if input element is complex. |
| Check for a complex type or an array of complex numbers. |
| Check if the array is Fortran contiguous but not C contiguous. |
| Returns a bool array, where True if input element is real. |
| Return True if x is a not complex type or an array of complex numbers. |
| Returns True if the type of |
Logical operations
| Compute the truth value of x1 AND x2 element-wise. |
| Compute the truth value of x1 OR x2 element-wise. |
| Compute the truth value of NOT x element-wise. |
| Compute the truth value of x1 XOR x2, element-wise. |
Comparison
| Returns True if two arrays are element-wise equal within a tolerance. |
| Returns a boolean array where two arrays are element-wise equal within a tolerance. |
| True if two arrays have the same shape and elements, False otherwise. |
| Returns True if input arrays are shape consistent and all elements equal. |
| Return the truth value of (x1 > x2) element-wise. |
| Return the truth value of (x1 >= x2) element-wise. |
| Return the truth value of (x1 < x2) element-wise. |
| Return the truth value of (x1 <= x2) element-wise. |
| Return (x1 == x2) element-wise. |
| Return (x1 != x2) element-wise. |
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https://numpy.org/doc/1.20/reference/routines.logic.html