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Virginia Polytechnic Institute and State University
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Domanda
How do I read only specific columns in from an Excel file, not consecutive columns?
I have a set of Excel files that are ~ 17,000 rows by 6,000 columns. Needless to say, that's kind of tough to work with. I wou...
quasi 10 anni fa | 1 risposta | 1
1
rispostaDomanda
How do I write a large multi-dimensional cell array into Excel?
Hi, I have a 155X56 cell array, where each cell in the array is a ~17,100X 1 cell. (Ranges from 17102-17301 rows). First o...
circa 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How can I replace [#] entries in a .Csv file so that Matlab can read the first row as variable names?
Hi, I have seven very large .Csv data files (about 3000 columns). Whoever made the file named each variable with "[0] Label1...
circa 11 anni fa | 2 risposte | 0
2
rispostesolve an equation for perspective projection
Hi, I'm sure this isn't the best solution, but if you enter f, Xa,Xb,Ya,Yb,Za, and Zb as symbols, and then enter your four co...
oltre 11 anni fa | 0
| accettato
Domanda
Why doesn't "hold on" work when I have a figure that has opened with the title bar Figures - Figure 1?
Hi, Normally, I can make a plot and save it as a .fig file. Then, when I open it later, it will open and show just "Figure 1...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How can I use an empty matrix in a logical if statement?
Hello, I have a program that evaluates mode shapes using the null space of an 8X8 matrix, "K". It works great when the null ...
quasi 12 anni fa | 2 risposte | 2
2
risposteDomanda
Regarding finding peak values from vectors; how do I find only the max value and also write this in a loop with changing string variable names?
Hello, I am trying to make my life easier- I have something like 380 sets of data that I really don't want to find the peaks ...
oltre 12 anni fa | 1 risposta | 0
1
rispostaDomanda
Where can I find expmdemo matlab files?
Hi, I have a nasty symbolic matrix that I need the matrix exponential of- looks something like this (all capital letters are ...
oltre 12 anni fa | 1 risposta | 0
1
rispostaImport txt file into matlab using programically
I've used the command textread really successfully with .txt files where the columns of numbers were separated by spaces or tabs...
oltre 13 anni fa | 0
Domanda
Why won't a function handle plot?
I have a long and complicated symbolic expression: syms x A=(60984*x)/(203125*exp((-(243936*x^4)/203125)^(1/4))*(-(243936*...
oltre 13 anni fa | 1 risposta | 0
1
rispostaDomanda
How can I plot a symbolic function or determine a finite and real starting guess for fzero?
Hello, I have a very long and somewhat complicated complex function that I need to find the roots of. It is a function of "s...
oltre 13 anni fa | 2 risposte | 0
