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LangChain.js - v0.0.213
LangChain.js
langchain/util/math
normalize
Function normalize
normalize
(
M
,
similarity
?
)
:
number
[]
[]
Parameters
M
:
number
[]
[]
Optional
similarity
:
boolean
Returns
number
[]
[]
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Chain.js -
v0.0.213
langchain-
anthropic
langchain-
community/agents/toolkits/aws_
sfn
langchain-
community/agents/toolkits/base
langchain-
community/agents/toolkits/connery
langchain-
community/caches/cloudflare_
kv
langchain-
community/caches/ioredis
langchain-
community/caches/momento
langchain-
community/caches/upstash_
redis
langchain-
community/callbacks/handlers/llmonitor
langchain-
community/chat_
models/baiduwenxin
langchain-
community/chat_
models/bedrock
langchain-
community/chat_
models/bedrock/web
langchain-
community/chat_
models/cloudflare_
workersai
langchain-
community/chat_
models/fireworks
langchain-
community/chat_
models/googlepalm
langchain-
community/chat_
models/googlevertexai
langchain-
community/chat_
models/googlevertexai/web
langchain-
community/chat_
models/iflytek_
xinghuo
langchain-
community/chat_
models/iflytek_
xinghuo/web
langchain-
community/chat_
models/llama_
cpp
langchain-
community/chat_
models/minimax
langchain-
community/chat_
models/ollama
langchain-
community/chat_
models/portkey
langchain-
community/chat_
models/yandex
langchain-
community/document_
transformers/html_
to_
text
langchain-
community/document_
transformers/mozilla_
readability
langchain-
community/embeddings/bedrock
langchain-
community/embeddings/cloudflare_
workersai
langchain-
community/embeddings/cohere
langchain-
community/embeddings/googlepalm
langchain-
community/embeddings/googlevertexai
langchain-
community/embeddings/gradient_
ai
langchain-
community/embeddings/hf
langchain-
community/embeddings/hf_
transformers
langchain-
community/embeddings/llama_
cpp
langchain-
community/embeddings/minimax
langchain-
community/embeddings/ollama
langchain-
community/embeddings/tensorflow
langchain-
community/embeddings/togetherai
langchain-
community/embeddings/voyage
langchain-
community/graphs/neo4j_
graph
langchain-
community/llms/ai21
langchain-
community/llms/aleph_
alpha
langchain-
community/llms/bedrock
langchain-
community/llms/bedrock/web
langchain-
community/llms/cloudflare_
workersai
langchain-
community/llms/cohere
langchain-
community/llms/fireworks
langchain-
community/llms/googlepalm
langchain-
community/llms/googlevertexai
langchain-
community/llms/googlevertexai/web
langchain-
community/llms/gradient_
ai
langchain-
community/llms/hf
langchain-
community/llms/llama_
cpp
langchain-
community/llms/ollama
langchain-
community/llms/portkey
langchain-
community/llms/raycast
langchain-
community/llms/replicate
langchain-
community/llms/sagemaker_
endpoint
langchain-
community/llms/togetherai
langchain-
community/llms/watsonx_
ai
langchain-
community/llms/writer
langchain-
community/llms/yandex
langchain-
community/load
langchain-
community/load/serializable
langchain-
community/memory/chat_
memory
langchain-
community/memory/motorhead_
memory
langchain-
community/memory/zep
langchain-
community/retrievers/amazon_
kendra
langchain-
community/retrievers/chaindesk
langchain-
community/retrievers/databerry
langchain-
community/retrievers/metal
langchain-
community/retrievers/supabase
langchain-
community/retrievers/tavily_
search_
api
langchain-
community/retrievers/vectara_
summary
langchain-
community/retrievers/zep
langchain-
community/storage/convex
langchain-
community/storage/ioredis
langchain-
community/storage/upstash_
redis
langchain-
community/storage/vercel_
kv
langchain-
community/stores/doc/base
langchain-
community/stores/doc/in_
memory
langchain-
community/stores/message/cassandra
langchain-
community/stores/message/cloudflare_
d1
langchain-
community/stores/message/convex
langchain-
community/stores/message/dynamodb
langchain-
community/stores/message/firestore
langchain-
community/stores/message/in_
memory
langchain-
community/stores/message/ioredis
langchain-
community/stores/message/momento
langchain-
community/stores/message/mongodb
langchain-
community/stores/message/planetscale
langchain-
community/stores/message/redis
langchain-
community/stores/message/upstash_
redis
langchain-
community/stores/message/xata
langchain-
community/tools/aiplugin
langchain-
community/tools/aws_
lambda
langchain-
community/tools/aws_
sfn
langchain-
community/tools/bingserpapi
langchain-
community/tools/brave_
search
langchain-
community/tools/connery
langchain-
community/tools/dadjokeapi
langchain-
community/tools/dataforseo_
api_
search
langchain-
community/tools/discord
langchain-
community/tools/dynamic
langchain-
community/tools/gmail
langchain-
community/tools/google_
custom_
search
langchain-
community/tools/google_
places
langchain-
community/tools/ifttt
langchain-
community/tools/searchapi
langchain-
community/tools/searxng_
search
langchain-
community/tools/serpapi
langchain-
community/tools/serper
langchain-
community/tools/tavily_
search
langchain-
community/tools/wikipedia_
query_
run
langchain-
community/tools/wolframalpha
langchain-
community/utils/convex
langchain-
community/utils/event_
source_
parse
langchain-
community/vectorstores/analyticdb
langchain-
community/vectorstores/astradb
langchain-
community/vectorstores/azure_
cosmosdb
langchain-
community/vectorstores/cassandra
langchain-
community/vectorstores/chroma
langchain-
community/vectorstores/clickhouse
langchain-
community/vectorstores/closevector/node
langchain-
community/vectorstores/closevector/web
langchain-
community/vectorstores/cloudflare_
vectorize
langchain-
community/vectorstores/convex
langchain-
community/vectorstores/elasticsearch
langchain-
community/vectorstores/faiss
langchain-
community/vectorstores/googlevertexai
langchain-
community/vectorstores/hnswlib
langchain-
community/vectorstores/lancedb
langchain-
community/vectorstores/milvus
langchain-
community/vectorstores/momento_
vector_
index
langchain-
community/vectorstores/mongodb_
atlas
langchain-
community/vectorstores/myscale
langchain-
community/vectorstores/neo4j_
vector
langchain-
community/vectorstores/opensearch
langchain-
community/vectorstores/pgvector
langchain-
community/vectorstores/pinecone
langchain-
community/vectorstores/prisma
langchain-
community/vectorstores/qdrant
langchain-
community/vectorstores/redis
langchain-
community/vectorstores/rockset
langchain-
community/vectorstores/singlestore
langchain-
community/vectorstores/supabase
langchain-
community/vectorstores/tigris
langchain-
community/vectorstores/typeorm
langchain-
community/vectorstores/typesense
langchain-
community/vectorstores/usearch
langchain-
community/vectorstores/vectara
langchain-
community/vectorstores/vercel_
postgres
langchain-
community/vectorstores/voy
langchain-
community/vectorstores/weaviate
langchain-
community/vectorstores/xata
langchain-
community/vectorstores/zep
langchain-
google-
genai
langchain-
mistralai
langchain-
openai
langchain/agents
langchain/agents/format_
scratchpad/log
langchain/agents/format_
scratchpad/log_
to_
message
langchain/agents/format_
scratchpad/openai_
functions
langchain/agents/format_
scratchpad/openai_
tools
langchain/agents/format_
scratchpad/xml
langchain/agents/load
langchain/agents/openai/output_
parser
langchain/agents/react/output_
parser
langchain/agents/toolkits
langchain/agents/toolkits/aws_
sfn
langchain/agents/toolkits/connery
langchain/agents/toolkits/sql
langchain/agents/xml/output_
parser
langchain/base_
language
langchain/cache
langchain/cache/cloudflare_
kv
langchain/cache/file_
system
langchain/cache/ioredis
langchain/cache/momento
langchain/cache/redis
langchain/cache/upstash_
redis
langchain/callbacks
langchain/callbacks/handlers/llmonitor
langchain/chains
langchain/chains/combine_
documents
langchain/chains/combine_
documents/reduce
langchain/chains/graph_
qa/cypher
langchain/chains/history_
aware_
retriever
langchain/chains/load
langchain/chains/openai_
functions
langchain/chains/query_
constructor
langchain/chains/query_
constructor/ir
langchain/chains/retrieval
langchain/chains/sql_
db
langchain/chat_
models/anthropic
langchain/chat_
models/baiduwenxin
langchain/chat_
models/base
langchain/chat_
models/bedrock
langchain/chat_
models/bedrock/web
langchain/chat_
models/cloudflare_
workersai
langchain/chat_
models/fake
langchain/chat_
models/fireworks
langchain/chat_
models/googlepalm
langchain/chat_
models/googlevertexai
langchain/chat_
models/googlevertexai/web
langchain/chat_
models/iflytek_
xinghuo
langchain/chat_
models/iflytek_
xinghuo/web
langchain/chat_
models/llama_
cpp
langchain/chat_
models/minimax
langchain/chat_
models/ollama
langchain/chat_
models/openai
langchain/chat_
models/portkey
langchain/chat_
models/yandex
langchain/document
langchain/document_
loaders/base
langchain/document_
loaders/fs/buffer
langchain/document_
loaders/fs/chatgpt
langchain/document_
loaders/fs/csv
langchain/document_
loaders/fs/directory
langchain/document_
loaders/fs/docx
langchain/document_
loaders/fs/epub
langchain/document_
loaders/fs/json
langchain/document_
loaders/fs/notion
langchain/document_
loaders/fs/obsidian
langchain/document_
loaders/fs/openai_
whisper_
audio
langchain/document_
loaders/fs/pdf
langchain/document_
loaders/fs/pptx
langchain/document_
loaders/fs/srt
langchain/document_
loaders/fs/text
langchain/document_
loaders/fs/unstructured
langchain/document_
loaders/web/apify_
dataset
langchain/document_
loaders/web/assemblyai
langchain/document_
loaders/web/azure_
blob_
storage_
container
langchain/document_
loaders/web/azure_
blob_
storage_
file
langchain/document_
loaders/web/cheerio
langchain/document_
loaders/web/college_
confidential
langchain/document_
loaders/web/confluence
langchain/document_
loaders/web/figma
langchain/document_
loaders/web/gitbook
langchain/document_
loaders/web/github
langchain/document_
loaders/web/hn
langchain/document_
loaders/web/imsdb
langchain/document_
loaders/web/notionapi
langchain/document_
loaders/web/notiondb
langchain/document_
loaders/web/pdf
langchain/document_
loaders/web/playwright
langchain/document_
loaders/web/puppeteer
langchain/document_
loaders/web/recursive_
url
langchain/document_
loaders/web/s3
langchain/document_
loaders/web/searchapi
langchain/document_
loaders/web/serpapi
langchain/document_
loaders/web/sonix_
audio
langchain/document_
loaders/web/sort_
xyz_
blockchain
langchain/document_
loaders/web/youtube
langchain/document_
transformers/html_
to_
text
langchain/document_
transformers/mozilla_
readability
langchain/document_
transformers/openai_
functions
langchain/embeddings/base
langchain/embeddings/bedrock
langchain/embeddings/cache_
backed
langchain/embeddings/cloudflare_
workersai
langchain/embeddings/cohere
langchain/embeddings/fake
langchain/embeddings/googlepalm
langchain/embeddings/googlevertexai
langchain/embeddings/gradient_
ai
langchain/embeddings/hf
langchain/embeddings/hf_
transformers
langchain/embeddings/llama_
cpp
langchain/embeddings/minimax
langchain/embeddings/ollama
langchain/embeddings/openai
langchain/embeddings/tensorflow
langchain/embeddings/voyage
langchain/evaluation
langchain/experimental/autogpt
langchain/experimental/babyagi
langchain/experimental/chains/violation_
of_
expectations
langchain/experimental/chat_
models/anthropic_
functions
langchain/experimental/chat_
models/bittensor
langchain/experimental/chat_
models/ollama_
functions
langchain/experimental/generative_
agents
langchain/experimental/hubs/makersuite/googlemakersuitehub
langchain/experimental/llms/bittensor
langchain/experimental/masking
langchain/experimental/multimodal_
embeddings/googlevertexai
langchain/experimental/openai_
assistant
langchain/experimental/openai_
files
langchain/experimental/plan_
and_
execute
langchain/experimental/tools/pyinterpreter
langchain/graphs/neo4j_
graph
langchain/hub
langchain/llms/ai21
langchain/llms/aleph_
alpha
langchain/llms/base
langchain/llms/bedrock
langchain/llms/bedrock/web
langchain/llms/cloudflare_
workersai
langchain/llms/cohere
langchain/llms/fake
langchain/llms/fireworks
langchain/llms/googlepalm
langchain/llms/googlevertexai
langchain/llms/googlevertexai/web
langchain/llms/gradient_
ai
langchain/llms/hf
langchain/llms/llama_
cpp
langchain/llms/load
langchain/llms/ollama
langchain/llms/openai
langchain/llms/portkey
langchain/llms/raycast
langchain/llms/replicate
langchain/llms/sagemaker_
endpoint
langchain/llms/watsonx_
ai
langchain/llms/writer
langchain/llms/yandex
langchain/load
langchain/load/serializable
langchain/memory
langchain/memory/zep
langchain/output_
parsers
langchain/output_
parsers/expression
langchain/prompts
langchain/prompts/load
langchain/retrievers/amazon_
kendra
langchain/retrievers/chaindesk
langchain/retrievers/contextual_
compression
langchain/retrievers/databerry
langchain/retrievers/document_
compressors
langchain/retrievers/document_
compressors/chain_
extract
langchain/retrievers/document_
compressors/embeddings_
filter
langchain/retrievers/hyde
langchain/retrievers/metal
langchain/retrievers/multi_
query
langchain/retrievers/multi_
vector
langchain/retrievers/parent_
document
langchain/retrievers/remote
langchain/retrievers/score_
threshold
langchain/retrievers/self_
query
langchain/retrievers/self_
query/chroma
langchain/retrievers/self_
query/functional
langchain/retrievers/self_
query/pinecone
langchain/retrievers/self_
query/supabase
langchain/retrievers/self_
query/vectara
langchain/retrievers/self_
query/weaviate
langchain/retrievers/supabase
langchain/retrievers/tavily_
search_
api
langchain/retrievers/time_
weighted
langchain/retrievers/vectara_
summary
langchain/retrievers/vespa
langchain/retrievers/zep
langchain/runnables
langchain/runnables/remote
langchain/schema
langchain/schema/document
langchain/schema/output_
parser
langchain/schema/prompt_
template
langchain/schema/query_
constructor
langchain/schema/retriever
langchain/schema/runnable
langchain/schema/storage
langchain/sql_
db
langchain/storage/convex
langchain/storage/encoder_
backed
langchain/storage/file_
system
langchain/storage/in_
memory
langchain/storage/ioredis
langchain/storage/upstash_
redis
langchain/storage/vercel_
kv
langchain/stores/doc/gcs
langchain/stores/doc/in_
memory
langchain/stores/file/in_
memory
langchain/stores/file/node
langchain/stores/message/cassandra
langchain/stores/message/cloudflare_
d1
langchain/stores/message/convex
langchain/stores/message/dynamodb
langchain/stores/message/firestore
langchain/stores/message/in_
memory
langchain/stores/message/ioredis
langchain/stores/message/momento
langchain/stores/message/mongodb
langchain/stores/message/planetscale
langchain/stores/message/redis
langchain/stores/message/upstash_
redis
langchain/stores/message/xata
langchain/text_
splitter
langchain/tools
langchain/tools/aws_
lambda
langchain/tools/aws_
sfn
langchain/tools/calculator
langchain/tools/connery
langchain/tools/gmail
langchain/tools/google_
calendar
langchain/tools/google_
places
langchain/tools/render
langchain/tools/retriever
langchain/tools/sql
langchain/tools/webbrowser
langchain/util/convex
langchain/util/document
langchain/util/math
cosine
Similarity
euclidean
Distance
inner
Product
matrix
Func
maximal
Marginal
Relevance
normalize
langchain/util/time
langchain/vectorstores/analyticdb
langchain/vectorstores/base
langchain/vectorstores/cassandra
langchain/vectorstores/chroma
langchain/vectorstores/clickhouse
langchain/vectorstores/closevector/node
langchain/vectorstores/closevector/web
langchain/vectorstores/cloudflare_
vectorize
langchain/vectorstores/convex
langchain/vectorstores/elasticsearch
langchain/vectorstores/faiss
langchain/vectorstores/googlevertexai
langchain/vectorstores/hnswlib
langchain/vectorstores/lancedb
langchain/vectorstores/memory
langchain/vectorstores/milvus
langchain/vectorstores/momento_
vector_
index
langchain/vectorstores/mongo
langchain/vectorstores/mongodb_
atlas
langchain/vectorstores/myscale
langchain/vectorstores/neo4j_
vector
langchain/vectorstores/opensearch
langchain/vectorstores/pgvector
langchain/vectorstores/pinecone
langchain/vectorstores/prisma
langchain/vectorstores/qdrant
langchain/vectorstores/redis
langchain/vectorstores/rockset
langchain/vectorstores/singlestore
langchain/vectorstores/supabase
langchain/vectorstores/tigris
langchain/vectorstores/typeorm
langchain/vectorstores/typesense
langchain/vectorstores/usearch
langchain/vectorstores/vectara
langchain/vectorstores/vercel_
postgres
langchain/vectorstores/voy
langchain/vectorstores/weaviate
langchain/vectorstores/xata
langchain/vectorstores/zep
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