# Sum

block Sum "Output the sum of the elements of the input vector"
extends Interfaces.MISO;

parameter Real k[nin] = ones(nin) "Optional: sum coefficients";
equation
y = k * u;

annotation (
defaultComponentName = "sum1",
Documentation(info = "<html>\n<p>\nThis blocks computes output <strong>y</strong> as\n<em>sum</em> of the elements of the input signal vector\n<strong>u</strong>:\n</p>\n<pre>\n    <strong>y</strong> = <strong>u</strong>[1] + <strong>u</strong>[2] + ...;\n</pre>\n<p>\nExample:\n</p>\n<pre>\n     parameter:   nin = 3;\n\n  results in the following equations:\n\n     y = u[1] + u[2] + u[3];\n</pre>\n\n</html>"),
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end Sum;