Mathcad

I cannot make the graph similar to this. Please help me.

please help me to graph similar to this image.

Hello All,I would like to know more about "genfit" algorithm. My main question is:Why "genfit" routine cannot find a good fit when the guess values are not chosen properly. What is the normal behavior of the genfit outputs with respect to different guess values? I appreciate if you introduce me some references or articles for further information.Thank you.Payman

Hello Everyone, Now I need help with creating a function with the output like as the following ( or a similar ) : Thanks in advance for your time and help. Regards.

I want "omega" to restrict 12.1rpm. So I tried such as a upper picture.But I got error. I can't understand why I got error.could you help me?

Dear Mathcad community,I made an elaborate Mathcad 15 sheet about the offshore pipeline stability according to the DNV code. The sheet turned out to be very elaborate abouth 25 pages of calculations, including iterations, interpolation in tables etc. The sheet works fine and I am very happy with the sheet . However, I would now like expand this sheet so that I can see the stability of the pipeline at multiple locations in the same sheet. I would like to avoid saving my sheet for one location and then save another for another location. I thouhgt of these options:Copy paste everyting in the sheet in a new area in the sheet basically do everything more than once. This is an very ugly method but at least I know this will eventually work.making a matrix of my input and output. However this does not contribute to the readability of the sheet and I am not sure if I am able to rewrite all formulas for matrices (iterarations in particular).Making a function of actually the entire sheet. Is this

HiI need help,because I dont know what I do wrong. Please help.Thanks for help

I have a round paper for filtration with a fixed D.What size must have a cone for filtration with minimum time:We need numerical, graph & symbolic solutions!

Hello. I had a question.I want to make "C" by plusing A and BIt means that "B" from 2 rows(5) should add under 4 rows in "A" automatically.Could you help me?

The attached Prime 3.0 worksheet is a simplified version of what I am trying to do. I am working on a fairly lengthy program function that will accept single-column input arrays (vectors) of varying lengths (or even just a single number) and output an array with several elements. Input/output-wise, it is no different than the simple example in the attached worksheet.When I use the whole data array as the input, the output is an array with vertical subarrays for the three columns. When I use the data array one element at a time (range variable), the output is an array with horizontal subarrays for the rows. This makes sense to me, but it's not quite what I want. What I really want is a single array without subarrays so I can do other things with the output more easily. I don't see that Prime 3.0 has a simple function to "un-subarray" an array.I need some ideas on the best / most efficient / most elegent method for producing a single array from an array with subarrays.Thanks.

Hello,How can we convert a matrix (nxn) into a single column (vector)?Regards,Keshab

HelloI want to import the ground motion data from txt file. I have to escape first few lines of text in txt file then, read only the numeric value.Could you guide me how can I do it?Regards,Keshab

I am using MC v.11.2, and I attempted to plot a column vector (3x1), as one would do in Vector algebra.I saw in the forum for help, and I found the following method:1. Take the vector and turn it in the first row of a matrix of dimension 2x32. Place in the second row of the matrix the coordinates of the origin of the vector (in my case zero)3. Create a 3D Scatter (or Field) Plot and write the three columns of the above matrix.I tried in MC 15, and it works for more than one vector. I re-tried several times the same with v.11.2 and the following error is shown (see figure).I timidly ask:a) Is it possible to plot more than one vector in MC v.11.2 with the above method?b) If it is possibile with the method above, where is my error and how many vectors can one plot (I would need at least 3 or 4).c) If it is impossible, are there some other effective methods able to do it with MC v11.2?Thanks for any feedback. BTW, this is one field where MC lies behind as compare to competitors, where ther

Hi everyone, I am currently trying to design a framework by carrying out the Method of Joints and checking all forces on Mathcad. I have managed to get all calculations, however, when I input it into Mathcad, it came up as an error:"This calculation does not converge into a solution"I have attached the file and I would appreciate it if someone could tell me what the problem is.Thanks for your help in advance.

Hello all,I have been working on filtering an existing graph through a cosine filter in mathcad. I got a txt file (array) into the sheet and started filtering, but the challange that I am facing is the fact that I for an example file that is available to me am using a single current value at one particular point, whereas now in this case I want to filter an entire graph through a cosine filter. I am confused about the subscripts and can't figure out how to extend them accurately so that the cosine filter performs well. To point this out, Ismpl+spc is a single current value, whereas I am now in contrast working with an actual graph, rather than a single point ont the graph:

Hello,in the attached sheet ,please scroll down to the arrows. i have few questions regarding symbolic evaluation? Thank you!

Has anyone else been having trouble with the links in the Mathcad Prime 3.0 "News and Information" sidebar? Many times when I click on one of the "find out more" links, all I get is a page that says, "Sorry! We can't find your page." Thanks!

Good morning, all. I need some guidance on the use of the Series command. I uinderstand the stricture of not expanding a Talyors Series too far, but I have a quotient with numerator and denonminator having many terms involving exp(x), cosh(x) etc, all based upon the exponential property. These should be solvable using expansions of exp(x) and the binomial theorem. Does Mathcad 15 or Prime have such built-in functionality built into Series to avoid Taylor?My equations contain data spanning dc to nanoseconds and I need more than a three term expansion.Practically the quotient expands into a ratio of terms involving root(s), the coomplex variable. After rationaliziing, I find thr LHP roots of the denominator and use a contour integral solution. I really need some help, here. Still pushing boundaries and learning at age 79!Thanks, John Archer.

I'm trying to get a solution to a system of equations. I've got two equations, two unknowns. I can use the solve function to get the answers, but have no way of saving those answers to a matrix that I can use further down the line. I've attached my MathCAD sheet. The function I'm having issues with is on the next to last page.Thanks for any help.Mike

Please is there anyone who kindly can tell me how to eliminate that annoyng flickers very evident when using multiple radio buttons associated with the same variable? Thank youF. M.

The purpose of this worksheet is to convert geographic coordinates between latitude/longitude (Lat/Lon) and Universal Transverse Mercator (UTM). This worksheet provides separate program functions to convert Lat/Lon coordinates to UTM and UTM coordinates to Lat/Lon. These two programs and the preliminary calculations for them use a truncated version of the Transverse Mercator flattening series derived by Johann Heinrich Louis Krüger in 1912. Results are accurate to about one millimeter within 3,000 km of a UTM Zone's central meridian. The ellipsoid data in this worksheet is for World Geodetic System 1984 (WGS 84), which is very close to North American Datum 1983 (NAD 83). This worksheet provides two data entry methods: internal tables and external Excel spreadsheets.This worksheet is in Mathcad Prime 3.0 format.  For users of other versions of Mathcad, the .zip file also contains a .pdf version.  The spreadsheet in the .zip file is used in the worksheet to read in data. 

Most of the time I use MC v.11, but I did not find (in my rapid checking) anything even in v. 15. Probably there is something in Prime, but it is not for me, yet. So here the inquiry.In other similar Math apps, there is a window or a command to list the variables used so far in the worksheet.How do MC users deal with it? So far I tried to keep up with the list of variables in a separate Excel file, or separate MC worksheet. But I also tought to use a vector in the same MC worksheet with an initial column vector of definitions and the command "stack" to update it, like this:ListV := ("v = velocity" "s =space")(and when a new variable is defined)ListV := stack (ListV, "a =acceleration") So anytime I type ListV I have the list of variables and a short definition of them (would be nice to have them in alphabetic order). Does anyone use a similar method or a better one? How does one deal with a worksheet with dozen if not hundred of variable definitions?Thanks for any feedback.

I tried to write a program using the attached algorithm. However I keep getting "This array index is invalid for this array" error. It occurs in various places when I try to fix it.

I've just started using MathCad, and I do not know why the Resultants1 variable is undefined (its probably some silly error, but its been frustrating me for a while now).Any help would be immensly appreciated.Thanks in advance all!

I would like to display an array of data with polar dependence in polar (r,phi) coordinates. The values of the data shall be color-coded. A single data point shall be represented by an area filled with the respective color. The center of the area is r_i, phi_1, the limits of the area is given by r_i +/-delta_r , phi_i +/- delta_phi. This data plot is typical for radars (PPI = plan position indicator). A example is enclosed. Any idea whether this is possible with Mathcad?