About Keras
Getting started
Developer guides
Keras 3 API documentation
Models API
Layers API
Callbacks API
Ops API
NumPy ops
NN ops
Linear algebra ops
Core ops
Image ops
FFT ops
Optimizers
Metrics
Losses
Data loading
Built-in small datasets
Keras Applications
Mixed precision
Multi-device distribution
RNG API
Utilities
KerasTuner
KerasCV
KerasNLP
KerasHub
Keras 2 API documentation
Code examples
KerasTuner: Hyperparameter Tuning
KerasHub: Pretrained Models
KerasCV: Computer Vision Workflows
KerasNLP: Natural Language Workflows
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Keras 3 API documentation
/ Ops API
Ops API
NumPy ops
absolute function
add function
all function
amax function
amin function
any function
append function
arange function
arccos function
arccosh function
arcsin function
arcsinh function
arctan function
arctan2 function
arctanh function
argmax function
argmin function
argpartition function
argsort function
array function
average function
bincount function
bitwise_and function
bitwise_invert function
bitwise_left_shift function
bitwise_not function
bitwise_or function
bitwise_right_shift function
bitwise_xor function
broadcast_to function
ceil function
clip function
concatenate function
conj function
conjugate function
copy function
correlate function
cos function
cosh function
count_nonzero function
cross function
cumprod function
cumsum function
diag function
diagonal function
diff function
digitize function
divide function
divide_no_nan function
dot function
einsum function
empty function
equal function
exp function
expand_dims function
expm1 function
eye function
flip function
floor function
floor_divide function
full function
full_like function
get_item function
greater function
greater_equal function
histogram function
hstack function
identity function
imag function
isclose function
isfinite function
isinf function
isnan function
left_shift function
less function
less_equal function
linspace function
log function
log10 function
log1p function
log2 function
logaddexp function
logical_and function
logical_not function
logical_or function
logical_xor function
logspace function
matmul function
max function
maximum function
mean function
median function
meshgrid function
min function
minimum function
mod function
moveaxis function
multiply function
nan_to_num function
ndim function
negative function
nonzero function
norm function
not_equal function
ones function
ones_like function
outer function
pad function
power function
prod function
quantile function
ravel function
real function
reciprocal function
repeat function
reshape function
right_shift function
roll function
round function
searchsorted function
select function
sign function
sin function
sinh function
size function
slogdet function
sort function
split function
sqrt function
square function
squeeze function
stack function
std function
subtract function
sum function
swapaxes function
take function
take_along_axis function
tan function
tanh function
tensordot function
tile function
trace function
transpose function
tri function
tril function
triu function
true_divide function
trunc function
var function
vdot function
vectorize function
vstack function
where function
zeros function
zeros_like function
NN ops
average_pool function
batch_normalization function
binary_crossentropy function
categorical_crossentropy function
conv function
conv_transpose function
ctc_decode function
ctc_loss function
depthwise_conv function
dot_product_attention function
elu function
gelu function
hard_sigmoid function
leaky_relu function
log_sigmoid function
log_softmax function
max_pool function
moments function
multi_hot function
normalize function
one_hot function
psnr function
relu function
relu6 function
selu function
separable_conv function
sigmoid function
silu function
hard_silu function
softmax function
softplus function
softsign function
sparse_categorical_crossentropy function
swish function
hard_swish function
Linear algebra ops
cholesky function
det function
eig function
eigh function
inv function
logdet function
lstsq function
lu_factor function
norm function
qr function
solve function
solve_triangular function
svd function
Core ops
associative_scan function
cast function
cond function
convert_to_numpy function
convert_to_tensor function
custom_gradient function
dtype function
erf function
erfinv function
extract_sequences function
fori_loop function
in_top_k function
is_tensor function
logsumexp function
map function
rsqrt function
saturate_cast function
scan function
scatter function
scatter_update function
segment_max function
segment_sum function
shape function
slice function
slice_update function
stop_gradient function
switch function
top_k function
unstack function
vectorized_map function
while_loop function
Image ops
affine_transform function
crop_images function
extract_patches function
hsv_to_rgb function
map_coordinates function
pad_images function
resize function
rgb_to_hsv function
rgb_to_grayscale function
FFT ops
fft function
fft2 function
rfft function
stft function
irfft function
istft function
Ops API
NumPy ops
NN ops
Linear algebra ops
Core ops
Image ops
FFT ops