technical-analysis | lib for technical analysis | Math library

I am using the package from here. What I am trying to do is to calculate the Stochastic value for each ticker. I have the following code:

I have a question about ta-lib from here: My code:

What I am trying to do is create something that looks like this,

which I have created by using the Octave pcolor and barh functions using 3 subplots with the subplot x axes scaled to look as if the figure were one plot. However, this approach is unsatisfactory as I cannot zoom or pan across it as I would be able to if it were actually one plot.

How can I plot one background figure using pcolor and then add multiple y axes at different points along the x axis to plot the horizontal histograms using barh?

For some background to this question, I am trying to create what is called a Market Profile chart, i.e. see example here or here.

I have also cross posted this question on the Octave mailing list here.

i have this source code:

I am trying to change the ticker widget of an embedded tradingview iframe onclick according to the selected symbol. The JS part inside the onclick function looks like this:

So I am using react with a news api that gives me the news info in JSON. I want to be able to get the various different components of the JSON news such as the author of the title. The object or json or array( I am confused) looks like this:

I embed a chart widget and want to render the chart dynamically by passing value from a dropdown menu into the chart's symbol as data reference. The app works, but the console log shows the error right from initializing the view.

Here is my code:

Component: