{"id":55980,"library":"colt","title":"Colt","description":"Colt provides a set of open-source libraries for high-performance scientific and technical computing in Java.","status":"active","version":"1.2.0","language":"java","source_language":null,"source_url":null,"tags":["colt","scientific","matrix","numerical","computing"],"install":[{"cmd":"<dependency>\n  <groupId>colt</groupId>\n  <artifactId>colt</artifactId>\n  <version>1.2.0</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'colt:colt:1.2.0'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"DoubleMatrix2D","correct":"cern.colt.matrix.DoubleMatrix2D"}],"quickstart":{"code":"import cern.colt.matrix.DoubleMatrix2D;\nimport cern.colt.matrix.impl.DenseDoubleMatrix2D;\n\nDoubleMatrix2D matrix = new DenseDoubleMatrix2D(3, 3);\nmatrix.set(0, 0, 1.0);\ndouble val = matrix.get(0, 0);","lang":"java","description":"Creates a dense 2D double matrix and accesses an element."},"warnings":[{"fix":"Evaluate newer libraries for performance and API improvements.","message":"Colt is an older library; consider using alternatives like Apache Commons Math or ND4J for modern scientific computing.","severity":"breaking","affected_versions":"all"}],"env_vars":null,"search_vec":"'colt':1,2,21 'comput':18,25 'high':13 'high-perform':12 'java':20 'librari':10 'matrix':23 'numer':24 'open':8 'open-sourc':7 'perform':14 'provid':3 'scientif':15,22 'set':5 'sourc':9 'technic':17","created_at":"2026-06-15T10:15:29.348824+00:00","updated_at":"2026-06-15T10:15:29.348824+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":null,"github":null,"docs":"https://appdoc.app/artifact/colt/colt/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-15","next_check":"2026-12-12","install_tag":null}}