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harley


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質問


finding certain points in data
hello, if I have a row of data say: x = 1, 1.4, 2, 2.2, 3, 3.7, 4..... where the corresponding y = 2, 3, 1, 6 ,5...

9年弱 前 | 1 件の回答 | 0

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質問


Simulink ODE Solver Question
hi, i have a differential equation that im trying to solve in simulink. The equations is dx/dt = -(A*B*(x-C))/D. What block co...

10年弱 前 | 0 件の回答 | 0

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質問


ode solvers & loops for various values
hello i have shown part of a code below. The first 'Rh' value of 70 is used to find 'EMC' & 'Kx' and the 'Kx' is used in the od...

10年弱 前 | 2 件の回答 | 0

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質問


for loops and arrays
Hello, part of a script below. How can i write this without typing every in c(j-1,5). I am planning on expanding the array. T...

10年弱 前 | 1 件の回答 | 0

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質問


loops for different variables
hello i have part of a script below that i have stripped back, (there is also a function file that i have not included & a bunch...

10年弱 前 | 1 件の回答 | 0

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質問


fourier series for function and period
hi, trying to calculate the fourier series expansion in the period -3<t<3 f(t)={2, -3<t<0; {0, 0<t<3. any help would be ...

約10年 前 | 1 件の回答 | 0

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質問


roots of complex numbers
trying to find all possible roots of the following; [125/2(1-sqrt(3i))]^1/3 tried the below, but keep getting error; ...

10年以上 前 | 1 件の回答 | 0

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質問


complex number root solving
trying to use matlab to solve some complex numbers, as a basic example how does one command matlab to find all the roots of; ...

10年以上 前 | 2 件の回答 | 0

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質問


using roots function to find values
f(x) = 3x^3 – 5x^2 + 10. How do i find 'x' when y = 0, using roots function.

11年弱 前 | 1 件の回答 | 0

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質問


??? Subscripted assignment dimension mismatch
how do I fix this assignment error? lambdaMJ = 7.2; MJ_Flow = (30/60)*2; ...

11年弱 前 | 2 件の回答 | 0

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質問


how to find a mean across rows
i have a code that produces a matrix, i want it to find the mean across the rows rather than down each column. i tried the below...

11年弱 前 | 1 件の回答 | 0

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質問


mean across rows and columns
i have a code that produces 10 x 5 matrix, i want it to find the mean across the rows rather than down each column. for a=(...

11年弱 前 | 1 件の回答 | 0

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質問


storing values from loops
how do i store the values of MJ_V12, they are being overwritten in each loop. Should end up with a 41 x 100 matrix. i've tried ...

11年弱 前 | 1 件の回答 | 0

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質問


horizontal bar graphs/ figures
how do i plot specific colours with a barh graph. i can plot specific colours for the first stacked bar graph but not for the s...

11年弱 前 | 1 件の回答 | 0

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質問


bar type graph/ figure
i have some values that i want to graph on a figure. This is for traffic signals. example %Road 1 Phase Green...

11年弱 前 | 2 件の回答 | 0

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質問


display values in particular order
i have a code that displays the minimum value. I want to display the rest of the values from lowest to highest value, how do i d...

11年弱 前 | 1 件の回答 | 0

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質問


PDF data analysis and comparison
i have some theoretical PDF's. I want Matlab to decide which one is the best fit for my experimental PDF. How would i do this. ...

11年弱 前 | 1 件の回答 | 0

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質問


normal distribution from data
is there a more efficient way to derive a normal distribution. % Deriving Normal Distribution From the Data x=0:1:1...

11年弱 前 | 3 件の回答 | 0

3

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質問


smoothing plots from data
im trying to plot some data "smoothed" out. when i use the below code it is still un-smoothed. How do i improve the smoothing? ...

11年弱 前 | 1 件の回答 | 0

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質問


controlling array data when calculating
im try to avoiding having a w = 0. how do i code this? a = 10; w = -a:(a/1000):a F = 2*sin(a*w)./w;

11年弱 前 | 3 件の回答 | 0

3

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質問


Error in Poisson's distribution.
have some example data, trying to use poisson's PDF, (this is a small part of the overall code) but keep getting a error of. Any...

11年弱 前 | 1 件の回答 | 0

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質問


Bisection Method to find root
im trying to write code using the Bisection method to find the max of F(w) like a have with the cubic spline method, any help w...

11年弱 前 | 1 件の回答 | 0

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質問


using end value in next iteration
want the Vo at the end of each loop to be used in the start of the next iteration, just can't get to work, I display Vn but its ...

11年弱 前 | 1 件の回答 | 0

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質問


loop until condition met
im trying to create a loop until a certain condition exists by using the results at the end of each loop to calculate the next i...

11年弱 前 | 2 件の回答 | 0

2

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質問


array from matrix equations
i have a matrix that solves 4 unknowns, instead of writing Va1 = ....(see below) four times is there a more efficient way to do ...

11年弱 前 | 1 件の回答 | 0

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質問


solving unknown in algebraic equations
trying to use matlab to solve the following for V2 & V3, how do i do this? All variables are known apart from V2 & V3. Q1 =...

11年弱 前 | 1 件の回答 | 0

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質問


function handle error with matirx
i get the error below, any ideas where i've gone wrong? Also with the way i've wrote my D & L vectors will D(1) and the correspo...

11年弱 前 | 1 件の回答 | 0

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質問


random number generation for known sum
i what do generate some 15 random numbers that sum for each separate value of say, 60 , 70, 40, 65. How would i go abouts this? ...

11年弱 前 | 2 件の回答 | 0

2

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質問


iterations while in loop
having trouble making this iterate for each increment of Vn, it goes straight to Vn = 30, i want it to also to calc a new Re, f,...

11年弱 前 | 1 件の回答 | 0

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質問


returning values for iterations
Partial code below. I want to use the Va calculated at the bottom as the Vo in the next iteration, how would i do this. The init...

11年弱 前 | 1 件の回答 | 0

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