Questions tagged [mathematica]
Mathematica is a computational software program used in scientific, engineering, and mathematical fields and other areas of technical computing. It was conceived by Stephen Wolfram and is developed by Wolfram Research of Champaign, Illinois.
61
questions
0
votes
1
answer
31
views
Calculate weight of courses
I'm trying to calculate the total value of three courses that have the weights 30%, 35%, 35%. It can be that a student didn't have to do a class which means that his cell would be empty and the weight ...
0
votes
1
answer
52
views
I'm having issue with counting with multiple criteria
Excel work screenshot:
I need to count the amount of blank cells in "days utilized" judging by the year "2009" in "year started" row. The answer is 1, but I didn't get ...
0
votes
0
answers
295
views
Why can't I authenticate my SSH connection? Credentials and keygen both not working
I'm writing a bit confused because I've tried everything. Let me know if I'm missing any critical information for you to help me.
I'm trying to SSH into my Cyberpower PDU (device probably not ...
- 1
2
votes
1
answer
607
views
How to get different color for different branches in a plot in MatLab, Mathematica and Desmos
I am trying to obtain slab-waveguide dispersion plot like this (dashed line):
I tried following code in Matlab:
function main
fimplicit (@(x,y)f(x,y),[0 10])
end
function fun = f(x,y)
nc=1.45; %...
- 125
0
votes
0
answers
36
views
Encoding a PDF using matrix multiplication
I need to encode a patent application in a PDF file using matrix multiplication on Mathematica so I can save it on a cloud storage service so my partner can download the encoded file in Asia and ...
2
votes
1
answer
2k
views
Excel formula for sum of income over multiple years adjusted for inflation
I have the income X, and the number of years in the future Y, and the inflation Z. I can calculate the compound interest simply by CI(Y) = X*(1+Z)^Y for any given year, but how can I construct a ...
- 195
0
votes
1
answer
356
views
Tag Graphics in is Protected
The graph is not showing, I don't know what to do with: "Tag Graphics in is Protected"?
- 1
2
votes
1
answer
274
views
Windows 7 Shell : get accumulated page faults of process
I want to read the (accumulated) pagefaults of a process from the windows shell to decide when to kill it. The process will start dynamically.
I found the killing part (e.g. here: How to monitor and ...
- 23
0
votes
1
answer
27
views
How to send one program to sleep mode (but keep the rest of OS alive)
Is there a way to send only one program to sleep mode (in this case mathematica on linux) and keep the rest of the operating system alive?
- 165
0
votes
1
answer
6k
views
extrapolation of logarithmic graph
I need to extrapolate the following graph.
Could someone help me with the formula for the logarithmic graph?
1
vote
0
answers
38
views
How to Print charts in Mathematica 10 Report Generator?
I want to be able to collect the resulting plots from an evaluated notebook into another notebook with only the output I specify. Basically I want to be able to evaluate a notebook and collect ...
- 11
0
votes
1
answer
243
views
How to constuct Taylor expansion of arbitrary function in Matlab?
I am reading a book titled "Homotopy Analysis Method in Nonlinear Differential Equation" by Shijun Liao. In chapter 13 Application in Finance: American Put Option, there is appendix about mathematica ...
1
vote
1
answer
1k
views
How to set MATLAB R2015a as the default program for opening mfiles?
I have Mathematica 10.2 and MATLAB R2015a installed on my computer and unfortunately MATLAB m-files are recognized as Mathematica notebooks by the window.
When I right-click on an m-file and choose ...
- 333
1
vote
0
answers
337
views
How to read Wolfram CDF file in CDF player?
I would like see the source code how the project The Causal Interpretation of Exciting an Atom by Absorption of Intense Light has been done.
I have CDF player in my system but I cannot play directly ...
- 5,794
1
vote
2
answers
2k
views
wrong value from atan2 function in excel
I am trying to calculate the angle between two latitudes and longitudes but I am getting wrong result of atan2(X,Y) when used on Excel.
β = atan2(X,Y) = atan2(0.05967668696, -0.00681261948)
It ...
- 123