Mathcad contour plot12/8/2023 I don't know in which version the behaviour of the 3D plots was changed and why - I was not even aware that there had been this convenient way in the good old days. If you are happy with the contour plots with wrong labels you can do that, but otherwise I found no other solution than to create those interpoation function to get what we obviously could have much easier with old Mathcad versions. Please look more closely at the axis labels/scales to see why all the work was done to create plots which equal the desired result which is seen in the pdfs.Īs already written i t is quite easy to bring the seemingly bad areas back to life simply by checking autoscaling for the axis - no need to insert a new plot. Inserts a new axis expression into the active axis expression list. How? A new contour plot still shows just the index numbers for abscissa and ordinate, not the real frequency and range. Is there a less cumbersome and elaborate way of getting that result?. In retrospective I like the bahaviour of the older version. The contour plot can show this intersection. Actually, that is to find the intersection between the surface plot of wf(k,theta) and plane ww0. Now, I need to find all of 'k' for a given 'ww0' with variable 'theta'. We see that it worked in MC2K by looking at the html-version of the sheet (the second of Valerys links). I have a complex function wf(k,theta) and it cannot be expressed as kf(w, theta). In MC2000 the matrix calues are mapped to that range while in MC15 we don't see anything because the x values are out of the range 0.35. But in MC2000 it was obviously possible to cope with that by manually setting the axis scales (not the quickplot data) - in case of the sheet 50<=x<=800 and 1<=x.<=4. In MC15 there is no way to handle that if we plot a matrix. We plot a 36x36 matrix and so we only see a plot for 0<=x,y<=35, which does not reflect the true abscissa and ordinate values. I don't remember and I just had a look at the Mathcad2000 manual without being wiser, but it seems that the contourplot behaved differently in older versions. The software comes with plenty of useful and time-saving features. In short, it reverse-engineers your visual graphs into numbers. Plotdigitizer is an online data extraction tool that allows users to extract data from images in numerical format. Set both to autoscale and you get the same as a newly created contourplot would show. All-in-One Tool to Extract Data from Graphs, Plots & Images. contour plot, surface plot and polynomial of any selected order (n) d t fit l tdata fit plot. Visualize 3D data sets and functional models with polar, contour and surface plots. The problem is the scaling of the x- and y-axis. using Excels calculation and formatting tolls inside PTC Mathcad. The contour plot should not have this problem though, so I think the file must be corrupted in some way.
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