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  1. Only showing results from ptolemy.berkeley.edu

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  2. ptolemy.berkeley.edu

    4 Composite Data Types 4.1 Arrays Arrays are specified with curly brackets, e.g., " ... The types are denoted "{int}" and "{string}" respectively. An array is an ordered list of tokens of any type, with the only constraint being that the elements all have the same type. If an array is given with mixed types, the expression evaluator will ...
  3. ptolemy.berkeley.edu

    2.Consider the model shown in Figure3.1. Assume that data types are allV =f0;1g. Assume f is a dataflow actor that implements an identity function and that Const is an actor that produces an infinite sequence (0;0;0; ). Obviously, the overall out-put of this model should be this same infinite sequence. The box labeled g indicates a composite ...
  4. ptolemy.berkeley.edu

    2.3.Data Types 20 2.4.Hierarchy 23 2.4.1. Creating a Composite Actor 23 2.4.2. Adding Ports to a Composite Actor 24 2.4.3. Setting the Types of Ports 25 2.5.Discrete Signals and Mixed-Signal Models 26 2.6.Navigating Larger Models 27 3. Hybrid Systems 28 3.1.Examining a Pre-Built Model 28 3.2.Numerical Precision and Zeno Conditions 30
  5. ptolemy.berkeley.edu

    particles of any type; this mechanism is described in Section 4.6. Finally, some experimental types that are not officially supported by Ptolemy are described in Section 4.7. 4.2 Scalar Numeric Types There are four scalar numeric data types defined in the Ptolemy kernel: complex, fixed-point, double precision floating-point, and integer.
  6. ptolemy.berkeley.edu

    3.4.Composite Data Types 106. 3.4.1. Arrays 106 3.4.2. Matrices 109 3.4.3. Records 111. 3.5.Invoking Methods 113 3.6.Defining Functions 114 3.7.Built-In Functions 116 3.8.Nil Tokens 120 3.9.Fixed Point Numbers 121 3.10.Units 122. Trigonometric Functions 125 Basic Mathematical Functions 127 Matrix, Array, and Record Functions. 129
  7. ptolemy.berkeley.edu

    2.3.Tokens and Data Types 2-7 2.4.Hierarchy 2-9 2.4.1. Creating a Composite Actor 2-10 2.4.2. Adding Ports to a Composite Actor 2-10 2.4.3. Setting the Types of Ports 2-12 2.5.Annotations and Parameterization 2-13 2.6.Navigating Larger Models 2-14 2.7.Domains 2-15 2.7.1. SDF and Multirate Systems 2-16
  8. ptolemy.berkeley.edu

    3.4.Composite Data Types 102 3.4.1. Arrays 102 3.4.2. Matrices 103 3.4.3. Records 105 3.5.Invoking Methods 107 3.6.Defining Functions 108 3.7.Built-In Functions 110 3.8.Fixed Point Numbers 114 3.9.Units 115 Trigonometric Functions 118 Basic Mathematical Functions 119 Matrix, Array, and Record Functions. 121 Functions for Evaluating Expressions 122
  9. ptolemy.berkeley.edu

    most data types, including arrays, records, and matrices. The ˆ operator computes "to the power of" or exponentiation, where the exponent can only be a type that losslessly converts to an integer such as an int, short, or an unsignedByte. The unsignedByte, short, int and long types can only represent integer numbers. Opera-
  10. ptolemy.berkeley.edu

    Composite Machine ! 17 Lee 07: 33 Ill-Formed Example 1 (Existence) In state s1, we get the unique s(n)=absent. ... is only practical if the data types are small.! 19 Lee 07: 37 Must / May Analysis For the above constructive machine, in state s1, we can im-
  11. ptolemy.berkeley.edu

    Subscriber outputs data received from a Publisher (described in the Sinks Library sidebar on page 49). SubscriptionAggregator combines data from multiple Publishers using a specified operation (currently addition or multiplication). CurrentTime, CurrentMicrostep, DiscreteClock, and PoissonClock are timed sources described in Chapter 7.
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