Method $MathOps

src/danfojs-base/core/frame.ts:309–350

(tensors: typeof tensorflow.Tensor[], operation: string, inplace: boolean)

    }

    private $MathOps(tensors: typeof tensorflow.Tensor[], operation: string, inplace: boolean) {
        let tensorResult

        switch (operation) {
            case 'add':
                tensorResult = tensors[0].add(tensors[1])
                break;
            case 'sub':
                tensorResult = tensors[0].sub(tensors[1])
                break;
            case 'pow':
                tensorResult = tensors[0].pow(tensors[1])
                break;
            case 'div':
                tensorResult = tensors[0].div(tensors[1])
                break;
            case 'divNoNan':
                tensorResult = tensors[0].divNoNan(tensors[1])
                break;
            case 'mul':
                tensorResult = tensors[0].mul(tensors[1])
                break;
            case 'mod':
                tensorResult = tensors[0].mod(tensors[1])
                break;
        }

        if (inplace) {
            const newData = tensorResult?.arraySync() as ArrayType2D
            this.$setValues(newData)
        } else {
            return new DataFrame(
                tensorResult,
                {
                    index: [...this.index],
                    columns: [...this.columns],
                    dtypes: [...this.dtypes],
                    config: { ...this.config }
                })

        }
    }

    /**
    * Purely integer-location based indexing for selection by position.