# infinity

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**Content Feed**

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.

ongeveer 3 jaar ago | 1

| accepted

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...

ongeveer 3 jaar ago | 0

| accepted

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...

ongeveer 3 jaar ago | 0

How to plot axial velocity profiles

Hello, You can refer this code z = [0,9.99999953400000e-05,0.000219999991200000,0.000363999986200000,0.000536799977600000,0....

ongeveer 3 jaar ago | 1

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...

ongeveer 3 jaar ago | 0

Legend label - differential dot above letter with a subscript

Hello, How about this name = legend('$\dot{X}_{Piston}$'); set(name,'Interpreter','latex');

ongeveer 3 jaar ago | 2

| accepted

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...

ongeveer 3 jaar ago | 0

| accepted

I am unable to store values for every iteration, values are overwritten in each iteration.

Hello, Try this fr{Fr} = frame(:);

ongeveer 3 jaar ago | 0

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) ...

ongeveer 3 jaar ago | 0

| accepted

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...

ongeveer 3 jaar ago | 1

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...

ongeveer 3 jaar ago | 1

| accepted

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}_...

ongeveer 3 jaar ago | 0

| accepted

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] =...

ongeveer 3 jaar ago | 0

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...

ongeveer 3 jaar ago | 1

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...

ongeveer 3 jaar ago | 0

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 ...

ongeveer 3 jaar ago | 0

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...

ongeveer 3 jaar ago | 1

| accepted

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; ...

ongeveer 3 jaar ago | 0

| accepted

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)

ongeveer 3 jaar ago | 0

How to select numbers?

Hello, You can simply type F = rand(3) M = rand(3) result = F(F<M)

ongeveer 3 jaar ago | 1

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...

ongeveer 3 jaar ago | 0

| accepted

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(...

ongeveer 3 jaar ago | 1

| accepted

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...

ongeveer 3 jaar ago | 0

| accepted

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...

ongeveer 3 jaar ago | 0

| accepted

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...

ongeveer 3 jaar ago | 0

| accepted

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...

ongeveer 3 jaar ago | 0

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...

ongeveer 3 jaar ago | 0

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...

ongeveer 3 jaar ago | 0

| accepted

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...

ongeveer 3 jaar ago | 1

| accepted

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...

ongeveer 3 jaar ago | 0

| accepted