[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [Range1d](./rc-js-util.range1d.md) > [mat2Multiply](./rc-js-util.range1d.mat2multiply.md) ## Range1d.mat2Multiply() method **Signature:** ```typescript mat2Multiply(_mat: Readonly>, _writeTo?: Range1d): Range1d; ``` ## Parameters

Parameter	Type	Description
\_mat	Readonly<[Mat2](./rc-js-util.mat2.md)<[TTypedArray](./rc-js-util.ttypedarray.md)>>
\_writeTo	[Range1d](./rc-js-util.range1d.md)<TResult>	_(Optional)_

**Returns:** [Range1d](./rc-js-util.range1d.md)<TResult>