Math Operations

R2026b

Blocks for arithmetic, trigonometric, and algebraic operations on signals, such as Gain, Sum, Trigonometric Function, and Math Function

Use blocks from the Math Operations library to perform arithmetic, trigonometric, and algebraic computations on signals. You can add, multiply, divide, take absolute values, compute trigonometric functions, or evaluate polynomial and matrix expressions.

To add blocks from this library to your model, see Add Blocks to Models.

Blocks

	Abs	Output absolute value of input
	Algebraic Constraint	Constrain signal value when solving algebraic loop
	Assignment	Assign values to specified elements of signal
	Bias	Add bias to input
	Complex to Magnitude-Angle	Compute magnitude and/or phase angle of complex signal
	Complex to Real-Imag	Output real and imaginary parts of complex input signal
	Divide	Divide one input by another
	Dot Product	Generate dot product of two vectors
	Find Nonzero Elements	Find nonzero elements in array
	Gain	Multiply input by constant
	Magnitude-Angle to Complex	Convert magnitude and/or a phase angle signal to complex signal
	Math Function	Perform mathematical function
	Matrix Concatenate	Concatenate input matrices of same data type for iterative processing
	MinMax	Output minimum or maximum input value
	MinMax Running Resettable	Determine minimum or maximum of signal over time
	Permute Dimensions	Rearrange dimensions of multidimensional array dimensions
	Polynomial	Perform evaluation of polynomial coefficients on input values
	Product of Elements	Copy or invert one scalar input, or collapse one nonscalar input
	Product, Matrix Multiply	Multiply and divide scalars and nonscalars or multiply and invert matrices
	Real-Imag to Complex	Convert real and/or imaginary inputs to complex signal
	Reshape	Change dimensionality of signal
	Rounding Function	Apply rounding function to signal
	Sign	Indicate sign of input
	Sine Wave Function	Generate sine wave, using external signal as time source
	Slider Gain	Vary scalar gain using slider
	Sqrt	Calculate square root, signed square root, or reciprocal of square root
	Squeeze	Remove singleton dimensions from multidimensional signal
	Sum	Add or subtract inputs
	Trigonometric Function	Specified trigonometric function on input
	Unary Minus	Negate input
	Vector Concatenate	Concatenate input vectors of same data type for iterative processing
	Weighted Sample Time Math	Support calculations involving sample time

Tools

Library Browser

Find and add blocks to model

Topics

Add Blocks to Models
Use the Library Browser and quick insert menu to insert blocks.

Related Information

Interactive Model Editing
Programmatic Model Editing

Featured Examples

Solve Algebraic Loops as Differential-Algebraic Equations (DAEs)

Solve the algebraic loop in a practical drivetrain model as a differential-algebraic equation (DAE). The example compares the DAE approach to the algebraic loop solver and explains how to decide when to use each option.

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