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Test if a value is an ndarray-like object containing single-precision floating-point numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- array
- nd
- View more
Return an array of an object's own and inherited non-enumerable symbol properties.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- object
- obj
- symbols
- sym
- enumerable
- non-enumerable
- own
- View more
Return a partial object copy containing properties for which a predicate (function) returns a truthy value.
Test if a value is an empty array-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- array-like
- empty
- is
- isarraylike
- object
- View more
While a test condition is true, invoke a function for each element in a collection.
Test if a value is an array-like object containing only negative numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only nonpositive numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Until a test condition is true, invoke a function for each element in a collection.
Convert a collection to an object whose keys are determined by a provided function and whose values are the collection values.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- key
- object
- obj
- convert
- transform
- iterate
- collection
- View more
Return an object's own and inherited property descriptors.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- object
- obj
- descriptors
- descriptor
- desc
- descriptors-in
- own
- View more
Test if a value is a 2-dimensional ndarray-like object containing single-precision floating-point numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- matrix
- ismatrix
- View more
Group an object's own and inherited property values according to an indicator function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- group
- groupby
- group-by
- aggregate
- partition
- split
- object
- View more
Apply a function to each element in an array and assign the result to an element in an output array, iterating from right to left.
Return an array of an object's inherited enumerable and non-enumerable property names.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- object
- obj
- names
- keys
- keys-in
- enumerable
- non-enumerable
- View more
Test if a value is a valid array length.
Test whether a collection contains at least `n` elements which are truthy.
Test whether all elements in a collection fail a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- none
- noneright
- every
- all
- array.every
- View more
Return an object's inherited property descriptors.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- object
- obj
- descriptors
- descriptor
- desc
- inherited
- properties
- View more
Test if a value is a persymmetric matrix.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- matrix
- ismatrix
- View more
Return a specified flag for a provided ndarray.