10 examples of 'function multiply(a b) a * b' in JavaScript

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26export function multiply(
27 a: Vector,
28 b: Vector | number
29): Vector | number {
30 return math.multiply(a, b) as Vector | number;
31}
42export function multiply(a, b) {
43 const a00 = a[0], a01 = a[1], a02 = a[2];
44 const a10 = a[3], a11 = a[4], a12 = a[5];
45 const a20 = a[6], a21 = a[7], a22 = a[8];
46
47 const b00 = b[0], b01 = b[1], b02 = b[2];
48 const b10 = b[3], b11 = b[4], b12 = b[5];
49 const b20 = b[6], b21 = b[7], b22 = b[8];
50
51 a[0] = b00 * a00 + b01 * a10 + b02 * a20;
52 a[1] = b00 * a01 + b01 * a11 + b02 * a21;
53 a[2] = b00 * a02 + b01 * a12 + b02 * a22;
54
55 a[3] = b10 * a00 + b11 * a10 + b12 * a20;
56 a[4] = b10 * a01 + b11 * a11 + b12 * a21;
57 a[5] = b10 * a02 + b11 * a12 + b12 * a22;
58
59 a[6] = b20 * a00 + b21 * a10 + b22 * a20;
60 a[7] = b20 * a01 + b21 * a11 + b22 * a21;
61 a[8] = b20 * a02 + b21 * a12 + b22 * a22;
62
63 return a;
64}
3function multiply(a, b) {
4 return a * b;
5}
12function multiply (a: [ number, number ], b: [ number, number ]): [ number, number ] {
13 return [ ((a[0] * b[0]) - (a[1] * b[1])), ((a[0] * b[1]) + (a[1] * b[0])) ];
14}
41export function multiply(a, b) {
42 return [
43 a[0] * b[0] + a[1] * b[3] + a[2] * b[6],
44 a[0] * b[1] + a[1] * b[4] + a[2] * b[7],
45 a[0] * b[2] + a[1] * b[5] + a[2] * b[8],
46 a[3] * b[0] + a[4] * b[3] + a[5] * b[6],
47 a[3] * b[1] + a[4] * b[4] + a[5] * b[7],
48 a[3] * b[2] + a[4] * b[5] + a[5] * b[8],
49 a[6] * b[0] + a[7] * b[3] + a[8] * b[6],
50 a[6] * b[1] + a[7] * b[4] + a[8] * b[7],
51 a[6] * b[2] + a[7] * b[5] + a[8] * b[8]
52 ];
53}
8export function multiply(
9 a: Transformation,
10 b: Transformation
11): Transformation {
12 return Matrix.multiply(a, b);
13}
9function multiply(a, b) {
10 return (a * b) || 0;
11}
229mul(b:Matrix4):Matrix4 {
230 var a:Matrix4 = this;
231 var m:Matrix4 = new Matrix4();
232 m.x00 = a.x00 * b.x00 + a.x01 * b.x10 + a.x02 * b.x20 + a.x03 * b.x30;
233 m.x10 = a.x10 * b.x00 + a.x11 * b.x10 + a.x12 * b.x20 + a.x13 * b.x30;
234 m.x20 = a.x20 * b.x00 + a.x21 * b.x10 + a.x22 * b.x20 + a.x23 * b.x30;
235 m.x30 = a.x30 * b.x00 + a.x31 * b.x10 + a.x32 * b.x20 + a.x33 * b.x30;
236 m.x01 = a.x00 * b.x01 + a.x01 * b.x11 + a.x02 * b.x21 + a.x03 * b.x31;
237 m.x11 = a.x10 * b.x01 + a.x11 * b.x11 + a.x12 * b.x21 + a.x13 * b.x31;
238 m.x21 = a.x20 * b.x01 + a.x21 * b.x11 + a.x22 * b.x21 + a.x23 * b.x31;
239 m.x31 = a.x30 * b.x01 + a.x31 * b.x11 + a.x32 * b.x21 + a.x33 * b.x31;
240 m.x02 = a.x00 * b.x02 + a.x01 * b.x12 + a.x02 * b.x22 + a.x03 * b.x32;
241 m.x12 = a.x10 * b.x02 + a.x11 * b.x12 + a.x12 * b.x22 + a.x13 * b.x32;
242 m.x22 = a.x20 * b.x02 + a.x21 * b.x12 + a.x22 * b.x22 + a.x23 * b.x32;
243 m.x32 = a.x30 * b.x02 + a.x31 * b.x12 + a.x32 * b.x22 + a.x33 * b.x32;
244 m.x03 = a.x00 * b.x03 + a.x01 * b.x13 + a.x02 * b.x23 + a.x03 * b.x33;
245 m.x13 = a.x10 * b.x03 + a.x11 * b.x13 + a.x12 * b.x23 + a.x13 * b.x33;
246 m.x23 = a.x20 * b.x03 + a.x21 * b.x13 + a.x22 * b.x23 + a.x23 * b.x33;
247 m.x33 = a.x30 * b.x03 + a.x31 * b.x13 + a.x32 * b.x23 + a.x33 * b.x33;
248 return m
249}
44export function multiply (C: Matrix, A: Matrix, B: Matrix) {
45 let i = 0
46 let j = 0
47 let k = 0
48 let Ap = 0
49 let pA = 0
50 let pB = 0
51 let _pB = 0
52 let Cp = 0
53 const ncols = A.cols
54 const nrows = A.rows
55 const mcols = B.cols
56 const ad = A.data
57 const bd = B.data
58 const cd = C.data
59 let sum = 0.0
60
61 for (; i < nrows; Ap += ncols, i++) {
62 for (_pB = 0, j = 0; j < mcols; Cp++, _pB++, j++) {
63 pB = _pB
64 pA = Ap
65 sum = 0.0
66 for (k = 0; k < ncols; pA++, pB += mcols, k++) {
67 sum += ad[pA] * bd[pB]
68 }
69 cd[Cp] = sum
70 }
71 }
72}
46function multiply( C, A, B ){
47 var i=0,j=0,k=0;
48 var Ap=0,pA=0,pB=0,p_B=0,Cp=0;
49 var ncols=A.cols,nrows=A.rows,mcols=B.cols;
50 var ad=A.data,bd=B.data,cd=C.data;
51 var sum=0.0;
52
53 for (; i < nrows; Ap += ncols, i++) {
54 for (p_B = 0, j = 0; j < mcols; Cp++, p_B++, j++) {
55 pB = p_B;
56 pA = Ap;
57 sum = 0.0;
58 for (k = 0; k < ncols; pA++, pB += mcols, k++) {
59 sum += ad[pA] * bd[pB];
60 }
61 cd[Cp] = sum;
62 }
63 }
64}

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