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Awarded to Tyler on 20 Jul 2017
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How to solve nonlinear system of equations
Hi, I am trying to solve a flow network of various "nodes" or "stations" that have nonlinear relationships between them. The n...
2년 초과 전 | 답변 수: 0 | 0
0
답변질문
how to arrange data into array
Hi, i have imported some matrix data into matlab and upon parsing the data i have it in 3 vectors (columns): column 1 are ...
3년 초과 전 | 답변 수: 1 | 0
1
답변질문
looking for regular expression to parse sparse data
Hi, i have a sparse mass matrix exported from ansys, and the data looks as follows: [ 1, 1]: 1.157e-07 [ 1, ...
3년 초과 전 | 답변 수: 1 | 0
1
답변질문
How to overlay irregular grid over contour plot
Hi, i am looking to postprocess some finite element analysis data. I have a 2D mesh grid, which is non uniform, and associ...
4년 초과 전 | 답변 수: 0 | 0
0
답변질문
integrate 2D data
Hi, I have a column vector X [Nx1], a Row Vector Y [1xM] and data Z [NxM] -> is there a way to integrate Z over the area defi...
5년 초과 전 | 답변 수: 1 | 0
1
답변질문
How can i regexp this sample text?
im looking to grab all the data after "CHANNEL" into a cell array such that C{1,1} = Shell Angle and so on and looking to grab ...
5년 초과 전 | 답변 수: 2 | 0
2
답변질문
How to textscan broken, delimited line into cell array?
I have data within a text file that looks like this: CHANNEL = ['AngR', 'Time', 'Disp', 'Velo', & 'Acce', 'Load', 'Forc', '...
5년 초과 전 | 답변 수: 0 | 0
0
답변질문
How to use a cloud of points to interpolate the value at a given point?
I have a point cloud matrix A with columns 1,2,3,4 equal to X,Y,Z (locations) and Value I have a point B (xq,yq,zq) that i wa...
거의 6년 전 | 답변 수: 1 | 0
1
답변질문
Significant "very low frequency" data near DC
Hi, i am performing an FFT on some strain gauge data to try and separate out the DC and vibratory components I have Time func...
거의 6년 전 | 답변 수: 0 | 0
0
답변질문
using ODE45 to solve simultaneously independent ODE's vs. calling the function twice - different results...
Hi, i am trying to solve for the displacement of a spring & mass with rotating eccentric mass in X and Y directions. If ...
대략 6년 전 | 답변 수: 2 | 0
2
답변질문
How to solve spring-mass ODE in rotating frame (without symbolic toolbox)
Hi, I am trying to solve the ODE of a spring & mass in the rotating frame. The equations of motion are as follows: mx...
대략 6년 전 | 답변 수: 1 | 0
1
답변질문
How to code this mathematical (tensor) formula in Matlab
Hi, i'm looking to code this tensor notation formula into matlab: X = e.n - [n.e.n]n where n is a unit vector, e is a 3x3 ...
8년 초과 전 | 답변 수: 1 | 0
1
답변질문
fprintf \n not working properly
Hi all, im trying to print out some data into a specific format so it can be read into another program. The code i am enacting c...
거의 10년 전 | 답변 수: 1 | 1
1
답변질문
How to inverse a matrix efficiently?
Hi All, I have a 6x6 matrix with many symbolic variables inside. I am looking to invert this matrix. The matrix i have ...
거의 10년 전 | 답변 수: 2 | 0
2
답변질문
Integrate symbolic function & maintain constants in solutions
Hi i am looking to integrate the below equation (F1) from 0->Inf a(1), a(2), a(3) are just constants a1,a2,a3 and i'd like to...
거의 10년 전 | 답변 수: 1 | 0
1
답변질문
Integrate symbolic expression while maintaining constants
Hi i am looking to integrate the below equation (F1) from 0->Inf a(1), a(2), a(3) are just constants a1,a2,a3 and i'd like to...
거의 10년 전 | 답변 수: 1 | 0
1
답변질문
How might i optimize / vectorize this function?
I have been using the function: http://www.mathworks.com/matlabcentral/fileexchange/29130-shortest-distance-between-two-lines...
대략 10년 전 | 답변 수: 1 | 2
1
답변질문
How can i run a script in the background? How can i use more computer resources?
Hi, i am running a script with 2 outputs: [X, B] = function(inputs); which iterates up to about 10^7 times (trying to reac...
대략 10년 전 | 답변 수: 2 | 0
2
답변질문
intersection of two cylinders in 3D space
HI everyone, does anyone know of an existing algorithm to check the intersection of two cylinders in 3D space? I believe this...
대략 10년 전 | 답변 수: 4 | 3
4
답변질문
shortest vector between two line segments
Hi, im looking to find the shortest vector between two line segments. The purpose is that i generate two line segments in spa...
10년 초과 전 | 답변 수: 1 | 0
1
답변질문
ezplot of function x = constant
Hi, i am trying to ezplot the function X = constant (to overlay with other plots) using the following command: n = ezplot(x-P...
10년 초과 전 | 답변 수: 0 | 0
0
답변질문
generating randomly oriented non-intersecting cylinders in a unit cell
Hi all, Im trying to think of a way of generating non-intersecting randomly oriented cylinders within a unit cell volume for ...
10년 초과 전 | 답변 수: 0 | 1
0
답변질문
overlaying multiple plots on the same set of axes
Hi, I'm looking to overlay multiple plots on the same axes. I am using ezplot for the plot of a function, and then i want to ...
10년 초과 전 | 답변 수: 1 | 0
1
답변질문
how to plot a defined space?
F11*x^2 + F22*y^2 + F1*x + F2*y + 2*F12*x*y >= 1 I need to graphically represent the above equation over a given domain, all ...
10년 초과 전 | 답변 수: 1 | 0
1
답변질문
randomly generated non-intersecting ellipses
Hi all, i need to generate randomly distributed ellipses within square bounds that are non-intersecting generating the ran...
10년 초과 전 | 답변 수: 2 | 2
2
답변질문
Regression with multiple variables
Hi all, admittedly, i have no experience with regression analysis, but i have the following problem: I am trying to genera...
거의 11년 전 | 답변 수: 0 | 0
0
답변질문
Numerically integrating with weight factors
Hi, i am integrating a stiffness matrix over two euler angles, phi, theta. if i integrate the stiffness matrix over both angl...
거의 11년 전 | 답변 수: 0 | 0
0
답변질문
2-D probability distribution
Hi all, I am trying to create an orientational average of a stiffness matrix. The stiffness matrix is for a generic align...
거의 11년 전 | 답변 수: 0 | 0
0
답변질문
probability distribution over a sphere
Hi all, I am trying to create an orientational average of a stiffness matrix. The stiffness matrix is for a generic aligned c...
대략 11년 전 | 답변 수: 0 | 0
0
답변질문
How can i evaluate this surface integral? (It has some singularities)
Im trying to integrate the following function over X (0->Pi) and then y (0-> 2*Pi). When i create a surface (x,y,z) after a v...
11년 초과 전 | 답변 수: 1 | 0
1
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