Array formation and parentheses-style indexing with objects of class 'nodeClass' is not allowed. Use objects of class 'nodeClass' only as scalars or use a cell array.

2021 5 15
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更新时间：2021 5 24
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I have extended the helperPacketizedModemNode class to nodeClass with 2 properties
classdef nodeClass < helperPacketizedModemNode
properties
Energy = 100
isClusterHead = true
end
methods
function obj = nodeClass(addr)
obj.Address = addr;
obj.DestinationList = 0;
obj.Energy = 100;
obj.isClusterHead = true;
obj.NumPayloadBits = 19530;
obj.PacketArrivalRate= 0.2;
obj.ACKTimeOut = 0.25;
obj.MaxBackoffTime = 10;
obj.MaxDataRetries = 5;
obj.QueueSize = 10;
obj.CarrierDetectorThreshold = 1e-5;
obj.AGCMaxPowerGain = 65;
obj.SamplesPerFrame = 2000;
obj.Verbose = true;
obj.SampleRate = 200e3;
end
end
end
for i = 1:5
node(i) = nodeClass(1);
end

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Steven Lord
Steven Lord 2021-5-24

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The helperPacketizedModemNode class used in, among other places, this example specifically disallows being stored as a non-scalar array of objects. You can create a scalar helperPacketizedModemNode object or you could create a cell array of helperPacketizedModemNode objects but you cannot create (as you're trying to do) a 5 element array of them.

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