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Fixed constant number at different time in Simulink

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Jason Lee
Jason Lee le 17 Juil 2011
Hi guys, i would like to have a scenario like this: A constant "1" from 0 seconds to 1 seconds. Then a constant "2" from 1 second onwards. Mayb i know if this is possible in Simulink Matlab?

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Fangjun Jiang
Fangjun Jiang le 17 Juil 2011
Use the Step block from the Source library, set the initial value to be 1 and final value to be 2.
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Jason Lee
Jason Lee le 20 Juil 2011
Thanks FJ Jiang. The answer above given is useable. But what if i want to gradually increases by 4 times? Like from 1 to 2 to 3 and finally to 4? I dont think step can do it right?

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