Question

How can i plot a 3d curve ?

Hello How can i plot a 3d curve like (Figure 3D) as attached ? For example: x1 = [1 2 3 4 5 6 7 8 9 10]; x2 = [5 4 ...

casi 4 años ago | 1 answer | 0

Question

How can i define the marge of the y axis ?

Hello How can i define the y axis of a curve like this [10^-4:10:10^-2] ? Thanks

casi 4 años ago | 0 answers | 0

Question

How can i use a symbol as a variable ?

Hi I want to define a varibale alpha_ks as a symbol \alpha_ks but an error will be appeared. function [a, x, ...]= MFC ()...

alrededor de 4 años ago | 1 answer | 0

Question

How can i plot a vertical line (x=constant) in a maximum of a curve ?

Hi How can i add three vertical line in the maximums of this curve. The program and the curve are attached.

alrededor de 4 años ago | 1 answer | 0

Question

How can i display the abscissa of the three maximum in the x axis ?

Hi the input are attached and the rest of the problem is below. I want to add the abscissa of the three maximum in the x ...

alrededor de 4 años ago | 1 answer | 0

Question

How can i plot a vibration cantilever beam ?

Hi How can i plot an undamped (like fig1) and damped cantilever beam ?

alrededor de 4 años ago | 0 answers | 0

Question

How displayin a number with its subscript ?

Hi, I want to display a number hs0 as h with subscript s0. plot (x,y1,x,y2) legend('h=hs0','h=2hs0')

alrededor de 4 años ago | 1 answer | 0

Question

How can i amelirate the smooth of this curve ?

Hi I want to ameliorate the smooth of attached curve. rload=[100;1e3;10e3;100e3;1e6;10e6]; power_hs=[1.570642571; 15.2...

alrededor de 4 años ago | 2 answers | 0

Question

How can i determine a point of intersection in a curve ?

Hi How can i determine the point of intersection in this curve ? x=[0;5.00E-05;1.00E-04;1.50E-04;2.00E-04;2.50E-04;3.00E-...

alrededor de 4 años ago | 2 answers | 0

Question

How can i determine the points of the intersection of the curve with an axis parallel to x axis ?

Hi I have this curve and i want to determine the points of the intersection with the red curve h1. Please help me.

alrededor de 4 años ago | 1 answer | 0

Question

How can i ameliorate this curve ?

Hi How can i ameliorate the curve power_R to obtain the nice figure ?

más de 4 años ago | 1 answer | 0

Question

How can i solve this system ?

Hi To determine the damping ratio (psij and psik ), i have to solve the attached system where all other name are constan...

más de 4 años ago | 2 answers | 0

Question

How can i determine the analytical expression of the derived funtion "df(x)/dx" ?

How can i determine the analytical expression of the derived funtion "df(x)/dx"? x=linspace (0:40) L=3; sol(1)=2; p...

más de 4 años ago | 1 answer | 0

Question

How can i display a funtion dependenet to x ?

Hi How can i can i display f with values in function of x ? L=3; sol(1)=2; psi=1; f (x) = @(x) cos ( (sol(1)/L) *x)...

más de 4 años ago | 1 answer | 0

Question

How can i delate the same values in a vector ?

Hi To find the zeros of the following equation, i have done the following program but sometimes it displays a repeated solut...

más de 4 años ago | 1 answer | 0

Question

How can i add vpasolve function on matlab 2012 ?

Hi How can i add vpasolve function on matlab 2012 ? Please help me

más de 4 años ago | 1 answer | 0

Question

How can i solve this equation ?

Hi How ca i solve the attached equation to find lamda ? When all the other terms are known.

más de 4 años ago | 2 answers | 0

Question

How can i solve this equation ?

Hi How can i solve the attached equation to find a ? When Mt, It, hs and hp are known.

más de 4 años ago | 1 answer | 0

Question

How can i obtain a nice curve ?

Hi How can i obtain a nice curve (like attached curve or logarithmic scale), when my program is x= [1e3; 1e4; 1e5; 1e6; 1e...

más de 4 años ago | 2 answers | 0

Question

What does this refer ?

Hi Can you explain me this : each term alone tot_V = 2*sum( cat(2,V_freq{:}) , 2) V_freq=<500*1 complex double>

más de 4 años ago | 1 answer | 0

Question

How can i plot a cantilever beam with tip mass ?

Hi How can i plot a cantilever beam (fixed-free end) with tip mass on matlab ? Please help me.

más de 4 años ago | 1 answer | 0

Question

How can i display a list of maximum of a curve ?

Hi I have a curve Amplitude=f(frequency) and i want to know the abscissa of all maximums. Please help me.

más de 4 años ago | 1 answer | 0

Question

How can i know the abscissa of the maximum of a curve ?

Hi I have a curve Amplitude=f(frequency) and i want to know the abscissa of the maximum. Please help me.

más de 4 años ago | 1 answer | 0

Question

How can i correct the subscript of a vector in a for loop ?

Hi I want to plot X=f(wr) but i have this error Subscript indices must either be real positive integers or logicals. K...

más de 4 años ago | 2 answers | 0

Question

How displaying a matrix in its classical form ?

Hi I have a displayed matrix like this : (1,1) 0.00075602592 (3,1) 0.00013085064 ...

más de 4 años ago | 1 answer | 0

Question

Whqt's the alternative of the function symmmd ?

Hi i have an old version of matlab program that use the function "symmd" like this : iDOF = symmmd(k); But, an error wa...

más de 4 años ago | 1 answer | 0

Question

How can i correct this error ?

Hi In my program, i use the function eig to return the eigenvalues : [V,D]=eig(k,m); But i have obtained this error: ...

más de 4 años ago | 1 answer | 0

Question

How can i correct this error ?

Hi My problem is about a three node cantilever beam. I do a program that estimate the mass and stiffness matrix. c is an ...

casi 5 años ago | 0 answers | 0

Question

Why is the array content displayed different from its input ?

Hi When i display this array : pl =[1 1 10.5e+10 3.4e-01 9e+03]; with the instruction disp(pl) The result disp...

casi 5 años ago | 1 answer | 0

Question

How to transform a mass matrix de dim 12*12 into 6*6 ?

Hi I want to do a model of FEM of a cantilever beam divided into two element (Three node) . I have a part of program that e...

casi 5 años ago | 1 answer | 0