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The Multiply function returns the product of the inputs.
If you wire two waveform values or two dynamic data type values to this function, error in and error out terminals appear on the function. The connector pane displays the default data types for this polymorphic function.
You also can multiply two or more values using the Compound Arithmetic function.
You cannot use this function to multiply a matrix and a vector. Use the A x Vector VI instead. When multiplying two matrices, if the number of rows in the second matrix does not match the number of columns in the first matrix, this function returns an empty matrix. Refer to the A x B VI for more information about matrix multiplication.
When you wire matrix data as an input to this function, a VI that includes subVIs that work with the matrix data type replaces the function. The resulting VI has the same icon but contains a matrix-specific algorithm. The node remains a VI if you disconnect the matrix from the input(s). Wire other data types as inputs to restore the original function. If you wire a data type to a function and that data type causes a basic math operation to fail, the function returns an empty matrix or NaN.
If you wire fixed-point values to Numeric functions such as Add, Subtract, Multiply, and Square, the functions usually return values that do not lose any bits of word length. However, if the operation creates a value that exceeds the maximum word length that LabVIEW accepts, overflow or rounding conditions can occur. LabVIEW accepts a maximum word length of 64 bits. Use the Numeric Node Properties dialog box to configure how LabVIEW handles overflow or rounding of fixed-point data.
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