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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /**
* @license Apache-2.0
*
* Copyright (c) 2021 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MAIN //
/**
* Generates a linearly spaced numeric array.
*
* @param {number} x1 - first array value
* @param {number} x2 - last array value
* @param {NonNegativeInteger} len - length of output array
* @returns {Array} linearly spaced numeric array
*
* @example
* var arr = linspace( 0, 100, 6 );
* // returns [ 0, 20, 40, 60, 80, 100 ]
*/
function linspace( x1, x2, len ) {
var arr;
var N;
var d;
var i;
if ( len === 0 ) {
return [];
}
// Calculate the increment:
N = len - 1;
d = ( x2-x1 ) / N;
// Build the output array...
arr = [ x1 ];
for ( i = 1; i < N; i++ ) {
arr.push( x1 + (d*i) );
}
arr.push( x2 );
return arr;
}
// EXPORTS //
module.exports = linspace;
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