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| Go to YouTube and copy the video link, open the 4K Video Downloader window, and click "Paste Link". The parsing process should take up to several seconds, depending on the video length. Another smaller window will pop up. Select the "Extract Audio"... |
| The function SocialMediaData[] doesn´t seem to be working at all in version 11.3. June 2020. |
| Thank you Jim. I still think sometimes stacked bars may be useful to illustrate some phenomena. Please see the following application I did: https://www.wolframcloud.com/env/ricardomar/Published/AnalizadorTablerosControlPRODI_v20.nb Even... |
| Thanks! though I don't think this the issue (the Mathematica on my machine was just installed). I think there is a lag in Mathematica when typing on cmd+c, and therefore id does not copy. It happens to me on my desktop as well. |
| You can use the Mathematica function 'Derivative'. NDSolve[{D[u[t, x], t] == D[u[t, x], x, x], u[0, x] == 0, u[t, 0] == Sin[t], Derivative[0, 1][u][t, 5] == 0}, u, {t, 0, 10}, {x, 0, 5}] Plot3D[u[t, x] /. %, {x, 0, 5}, {t, 0, 10}]![enter... |
| Nice project! Last year at WSS18, a student did a very similar project: "Predicting the Scale of Satellite Images Using Neural Network." https://community.wolfram.com/web/community/groups/-/m/t/1379645 |
| While you can't use FinancialData with older versions of Mathematica, you might consider using the wolfram cloud, which will (I think) will allow you to try most of it out for free. [https://www.wolframcloud.com/][1] Also, you might contact our... |
| Hi Sean, Got it. Many thanks, Walter |
| Sorry, I didn't learn how to post codes. But when I edit the post again, there is no such code formatting button on top of the frame. I just learned from the forum help, and put something like " ", " " around the code. |
| It would seem to me that this should be equivalent to the above, with the {x,-1,0} range: Clear[f]; Do[f[x, y, z] = (x + y + z + 10)^2, {x, -1, 0}, {y, 0, 2}, {z, 0, 2, 2}]; ?f The numbers are the same, but with "`=`"... |