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I have the code to generate a sine wave in the javascript library- function-plot:

 functionPlot({ target: '#domain', yAxis: {domain: [-1, 1]}, xAxis: {domain: [8, 24]}, data: [{ fn: 'sin(x)' }] }) 

But it doesn't generate a graph when I plot sin(kx-wt) which is what needed for a moving wave.

I think the library only takes in strings as inputs.

Is there any way to bypass this and generate a plot of a function containing variables?

1 Answer 1

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You can declare a string as

var myfunction = "sin(kx-wt)" 

and input this function as:

data: [{ fn: myfunction }] 

Now, you can declare variables for k,w and t. In your case, you want to animate the t value. I am doing this by using setTimeout

 var t = 0; function mytimer(){ t+=.5 var funb = "sin("+k+"*x"+-t+")"; var options = { target: '#root', xAxis: { domain: [0, 10] }, yAxis: { domain: [-3, 3] }, data: [ { fn: funb }, ] } functionPlot(options) document.getElementById("test").innerHTML = "t="+t; setTimeout(mytimer, 50); } window.onload=setTimeout(mytimer,50); 

implementation example: https://pbphysics.blogspot.com/2022/09/test-python.html

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