ml-matrix - npm Package Compare versions

Comparing version 5.2.1 to 5.3.0

History.md

@@ -0,1 +1,16 @@
+# [5.3.0](https://github.com/mljs/matrix/compare/v5.2.1...v5.3.0) (2019-03-23)
+
+
+### Bug Fixes
+
+* add isEchelonForm and isReducedEchelonForm to typings ([690edd1](https://github.com/mljs/matrix/commit/690edd1))
+* correct matrix.d.ts file. ([#86](https://github.com/mljs/matrix/issues/86)) ([ebb273c](https://github.com/mljs/matrix/commit/ebb273c))
+
+
+### Features
+
+* add isEchelonForm and isReducedEchelonForm ([#84](https://github.com/mljs/matrix/issues/84)) ([dee2a94](https://github.com/mljs/matrix/commit/dee2a94))
+
+
+
 ## [5.2.1](https://github.com/mljs/matrix/compare/v5.2.0...v5.2.1) (2019-01-07)
@@ -2,0 +17,0 @@

matrix.d.ts

@@ -67,7 +67,11 @@ declare module 'ml-matrix' {
   }
-  class Matrix {
+  export class Matrix {
     readonly size: number;
+    readonly rows: number;
+    readonly columns: number;
+
     constructor(nRows: number, nColumns: number);
     constructor(data: number[][]);
     constructor(otherMatrix: Matrix);
+
     static from1DArray(
@@ -99,2 +103,3 @@ newRows: number,
     static isMatrix(value: any): value is Matrix;
+
     apply(callback: Function): Matrix;
@@ -108,8 +113,11 @@ to1DArray(): number[];
     isSymmetric(): boolean;
+    isEchelonForm(): boolean;
+    isReducedEchelonForm(): boolean;
     set(rowIndex: number, columnIndex: number, value: number): Matrix;
     get(rowIndex: number, columnIndex: number): number;
     repeat(rowRep: number, colRep: number): Matrix;
-    fill(value: number): Matrix;
+    fill(value: number): this;
     neg(): Matrix;
     negate(): Matrix;
+    addRow(index: number, array: number[] | Matrix): this;
     getRow(index: number): number[];
@@ -119,2 +127,3 @@ getRowVector(index: number): Matrix;
     swapRows(row1: number, row2: number): Matrix;
+    addColumn(index: number, array: number[] | Matrix): this;
     getColumn(index: number): number[];
@@ -207,3 +216,3 @@ getColumnVector(index: number): Matrix;
     determinant(): number;
-    pseudoInverse(threshold: number): Matrix;
+    pseudoInverse(threshold?: number): Matrix;
     clone(): Matrix;
@@ -321,3 +330,2 @@
   export default Matrix;
-  export { Matrix };
 
@@ -324,0 +332,0 @@ class SingularValueDecomposition {

package.json

 {
   "name": "ml-matrix",
-  "version": "5.2.1",
+  "version": "5.3.0",
   "description": "Matrix manipulation and computation library",
@@ -55,13 +55,13 @@ "main": "matrix.js",
     "benchmark": "^2.1.4",
-    "csv-parse": "^4.2.0",
-    "eslint": "^5.10.0",
-    "eslint-config-cheminfo": "^1.19.1",
-    "eslint-plugin-import": "^2.14.0",
-    "eslint-plugin-jest": "^22.1.2",
-    "jest": "^23.6.0",
+    "csv-parse": "^4.3.4",
+    "eslint": "^5.15.3",
+    "eslint-config-cheminfo": "^1.20.0",
+    "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-jest": "^22.4.1",
+    "jest": "^24.5.0",
     "jest-matcher-deep-close-to": "^1.3.0",
-    "mathjs": "^5.4.0",
+    "mathjs": "^5.8.0",
     "numeric": "^1.2.6",
     "pretty-hrtime": "^1.0.3",
-    "rollup": "^0.67.4"
+    "rollup": "^1.7.0"
   },
@@ -68,0 +68,0 @@ "dependencies": {

README.md

@@ -0,0 +0,0 @@ # ml-matrix

src/abstractMatrix.js

@@ -347,2 +347,63 @@ import rescale from 'ml-array-rescale';
     /**
+          * @return true if the matrix is in echelon form
+          */
+    isEchelonForm() {
+      let i = 0;
+      let j = 0;
+      let previousColumn = -1;
+      let isEchelonForm = true;
+      let checked = false;
+      while ((i < this.rows) && (isEchelonForm)) {
+        j = 0;
+        checked = false;
+        while ((j < this.columns) && (checked === false)) {
+          if (this.get(i, j) === 0) {
+            j++;
+          } else if ((this.get(i, j) === 1) && (j > previousColumn)) {
+            checked = true;
+            previousColumn = j;
+          } else {
+            isEchelonForm = false;
+            checked = true;
+          }
+        }
+        i++;
+      }
+      return isEchelonForm;
+    }
+
+    /**
+             * @return true if the matrix is in reduced echelon form
+             */
+    isReducedEchelonForm() {
+      let i = 0;
+      let j = 0;
+      let previousColumn = -1;
+      let isReducedEchelonForm = true;
+      let checked = false;
+      while ((i < this.rows) && (isReducedEchelonForm)) {
+        j = 0;
+        checked = false;
+        while ((j < this.columns) && (checked === false)) {
+          if (this.get(i, j) === 0) {
+            j++;
+          } else if ((this.get(i, j) === 1) && (j > previousColumn)) {
+            checked = true;
+            previousColumn = j;
+          } else {
+            isReducedEchelonForm = false;
+            checked = true;
+          }
+        }
+        for (let k = j + 1; k < this.rows; k++) {
+          if (this.get(i, k) !== 0) {
+            isReducedEchelonForm = false;
+          }
+        }
+        i++;
+      }
+      return isReducedEchelonForm;
+    }
+
+    /**
          * Sets a given element of the matrix. mat.set(3,4,1) is equivalent to mat[3][4]=1
@@ -349,0 +410,0 @@ * @abstract

src/dc/cholesky.js

@@ -0,0 +0,0 @@ import { Matrix, WrapperMatrix2D } from '../index';

src/dc/evd.js

@@ -0,0 +0,0 @@ import { Matrix, WrapperMatrix2D } from '../index';

src/dc/lu.js

@@ -0,0 +0,0 @@ import { Matrix, WrapperMatrix2D } from '../index';

src/dc/qr.js

@@ -0,0 +0,0 @@ import { Matrix, WrapperMatrix2D } from '../index';

src/dc/svd.js

@@ -0,0 +0,0 @@ import { Matrix, WrapperMatrix2D } from '../index';

src/dc/util.js

@@ -0,0 +0,0 @@ export function hypotenuse(a, b) {

src/decompositions.js

@@ -0,0 +0,0 @@ import LuDecomposition from './dc/lu';

src/index.js

@@ -0,0 +0,0 @@ export { default, default as Matrix } from './matrix';

src/linearDependencies.js

@@ -0,0 +0,0 @@ import max from 'ml-array-max';

src/matrix.js

@@ -0,0 +0,0 @@ import AbstractMatrix from './abstractMatrix';

src/util.js

@@ -0,0 +0,0 @@ import Matrix from './matrix';

src/views/base.js

@@ -0,0 +0,0 @@ import AbstractMatrix from '../abstractMatrix';

src/views/column.js

@@ -0,0 +0,0 @@ import BaseView from './base';

src/views/columnSelection.js

@@ -0,0 +0,0 @@ import { checkColumnIndices } from '../util';

src/views/flipColumn.js

@@ -0,0 +0,0 @@ import BaseView from './base';

src/views/flipRow.js

@@ -0,0 +0,0 @@ import BaseView from './base';

src/views/row.js

@@ -0,0 +0,0 @@ import BaseView from './base';

src/views/rowSelection.js

@@ -0,0 +0,0 @@ import { checkRowIndices } from '../util';

src/views/selection.js

@@ -0,0 +0,0 @@ import { checkIndices } from '../util';

src/views/sub.js

@@ -0,0 +0,0 @@ import { checkRange } from '../util';

src/views/transpose.js

@@ -0,0 +0,0 @@ import BaseView from './base';

src/wrap/wrap.js

@@ -0,0 +0,0 @@ import WrapperMatrix1D from './WrapperMatrix1D';

src/wrap/WrapperMatrix1D.js

@@ -0,0 +0,0 @@ import AbstractMatrix from '../abstractMatrix';

src/wrap/WrapperMatrix2D.js

@@ -0,0 +0,0 @@ import AbstractMatrix from '../abstractMatrix';

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Total package byte prevSize

283716

increased by5.13%

Lines of code

8520

increased by1.46%

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