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Last seen: 4 years 前 自 2019 起处于活动状态

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已回答
Integration of a function.
Hello, You just need to remove "." in the formulation of I2, I3, fun2 and fun3. The code will run withour errors.

4 years 前 | 1

| 已接受

已回答
Combination of sub-matrices generated within a for loop
Hello, There are various solutions for this question, one of the closet one to your current code could be clear; clc; clos...

4 years 前 | 0

| 已接受

已回答
Using different colours in a quiver plot
Hello, My suggestion is that you plot the first figure for the vectors that have magnitude less than 1.0 (using blue color) the...

4 years 前 | 0

已回答
How to plot axial velocity profiles
Hello, You can refer this code z = [0,9.99999953400000e-05,0.000219999991200000,0.000363999986200000,0.000536799977600000,0....

4 years 前 | 1

已回答
Removing Points Along a Diagonal Line
Hello, I would suggest you a solution, Since you have known two points of slope, which are (40,35) and (74.4, 15), you can e...

4 years 前 | 0

已回答
Legend label - differential dot above letter with a subscript
Hello, How about this name = legend('$\dot{X}_{Piston}$'); set(name,'Interpreter','latex');

4 years 前 | 2

| 已接受

已回答
Exponential decay extrap to y=0
Hello, You could try this clear close all x0 = linspace(0,100,100); x = [0;10;20;30;40;50;60]; %time in minutes y = [12...

4 years 前 | 0

| 已接受

已回答
I am unable to store values for every iteration, values are overwritten in each iteration.
Hello, Try this fr{Fr} = frame(:);

4 years 前 | 0

已回答
Circle rotating and whirling
Hello, You can also refer this code, close all t = linspace(0,2*pi); x = cos(t); y = sin(t); r1 = 3; plot(r1*x,r1*y) ...

4 years 前 | 0

| 已接受

已回答
Finding eigen vectors of a matrix
Thank for @Rik 's comment. I have moved my comment to this section. Since Matlab response with these lines Error using eigs...

4 years 前 | 1

已回答
How do you update the legend of Figure 2 instead of Figure 1?
Hello, In the code of figure 2, you should change a bit like this figure Class1_Synthetic = scatter(SLClass1_Normalized,PWCl...

4 years 前 | 1

| 已接受

已回答
Interpreter latex label problem
Hello, The error come from the typing of latex syntax. You should change a bit in your latex, for example ylabel('$R_{{m}_...

4 years 前 | 0

| 已接受

已回答
Splitting based on delimiter but only once
Hello, You can refer this idea to extend you the case of longer string clear input = 'Country ˈk ʌ n t r i'; [val,idx] =...

4 years 前 | 0

已回答
Assembling global stiffness matrix
Hello, I have taken a look in your code, I relize that in each element there are four nodes and each node has two degree of fr...

4 years 前 | 1

已回答
question about how to plot a for loop in matlab
Hello, Try to put plot inside the loop for Fn=0.1:0.01:10; Mg=abs((Ln*Fn*Fn)/(((Ln+1)*Fn*Fn-1)+((Fn^2-1)*Fn*Qe*Ln)*i)) plo...

4 years 前 | 0

已回答
polar plot to create circular shape with varying radius
Hello, How about if you change a bit like this clear close all % k = round(rand(1,50)*10)+10; k = round(rand(1,50)); Th ...

4 years 前 | 0

已回答
How to solve matrix equation for variable inside a summation? Analytical or numerical.
Hello, There are several ways that you can apply. Here, I just show you an example how to solve this problem by using solve fu...

4 years 前 | 1

| 已接受

已回答
Regarding the matrix indexing,
Hello, How about if you modify your function like this function T = Euler_explicit(T_0, L, P,C, h) A = inv(C)*L; ...

4 years 前 | 0

| 已接受

已回答
Finding the nonzero element in a specific row
Hello, Yes, there is. You can refer this simple example A = [1 2; 0 3] [rows,cols,vals] = find(A==0)

4 years 前 | 0

已回答
How to select numbers?
Hello, You can simply type F = rand(3) M = rand(3) result = F(F<M)

4 years 前 | 1

已回答
Result of FEA does not change, on changing the Material properties with same load
Hello, I have run your code, results were not constants when parameters had changed. For example, if you set "PR" (poisson r...

4 years 前 | 0

| 已接受

已回答
Calculating time duration of a signal
Hello, You also could refer this code to get the output clear signal=[0 0 0 1 1 1 1 0 1 1]; n = length(signal); a = diff(...

4 years 前 | 1

| 已接受

已回答
make the for loop run faster
Hello, How about if you try to use this time = 1:100; T0 = 0; sunrise = 10; Tmin = 1; Tmax = 100; Tmax_time = 50; suns...

4 years 前 | 0

| 已接受

已回答
While solving boundary value problems (using bvp4c) the graph is plotted as the command ""plot (x,BS(1,:))"" but if I want the graph between x and y and not x and boundary solution (BS) what should I do ?
Hello, You might simply plot x and y like this plot(sol.x, sol.y, '-o') Several examples of how to use bvp4 and deval can b...

4 years 前 | 0

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已回答
How to integral a composite function in yalmip?
Hello, You define z as a function of x1, x2, and u1. But, you apply the integral function to compute the integral of z over th...

4 years 前 | 0

| 已接受

已回答
How to draw cumulative histogram?
Hello, You shoud do some tasks to approximate cumulative probability from your data. Then you just plot it. Below, will be a r...

4 years 前 | 0

已回答
Combining two sets of data into a singular array
Hello, How about if you can combine into matrix with many column like this for ii=1:5 time=randn(5,1); data1=randn(5,1); c...

4 years 前 | 0

已回答
Calculate minimum distance between point and steady but NON differentiable function
Hello, There is two options that you can think Assume we have a point P(xp, yp) and a function f(x) that we may not have der...

4 years 前 | 0

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已回答
Go back to initializing values using for loop when condition is not met
Hello, There are several ways, one approach that you can use as follows clear n = 100; x = zeros(1,n); y = zeros(1,n); fo...

4 years 前 | 1

| 已接受

已回答
Plotting integral over an interval
Hello, The way you try to plot the integral may be not correct, for x0 you can compute the integral by using the integral fuct...

4 years 前 | 0

| 已接受

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