質問

integrating function from -inf to +inf

I'm trying to integrate the following function from -inf to +inf with repsect to x. fun = @(x) -3.*v.^2 -4.*v.*a./((x.^2+a.^2)...

約4年 前 | 1 件の回答 | 0

質問

contour plot of stream function for a tornado

I have a stream function for a tornado and I watned to plot it using contour function, but it's not working: m1=-3000; m2 = 58...

約4年 前 | 1 件の回答 | 0

質問

plotting concentric circles using contour

I'm trying to plot a few concentric circles with the following codes, but what I get is an ellipse, i don't know why: [x,y] = m...

約4年 前 | 1 件の回答 | 0

質問

I got a matrix dimensions error while plotting a pressure field

I got this error while trying to plot a pressure field. I have pressure P in terms of x and y: [X1,Y1] = meshgrid(0:0.01:3,0:0....

約4年 前 | 1 件の回答 | 0

質問

Plotting a rankine half body

I'm trying to plot a rankine half body, a flow field formed by superposition of a horizontal uniform flow and a source flow. The...

約4年 前 | 1 件の回答 | 0

質問

Converting values in eigenvector to rational forms that include square roots

I tried computing the eigen vectors and eigen values for a 3x3 matrix, but the result is given in fractions after I used format ...

約4年 前 | 1 件の回答 | 0

質問

Problem with plotting vector fields

I keep getting this error while trying to plot a vector field: [X,Y] = meshgrid(2:10,2:10); U = X/(X^2+Y^2); V = Y/(X^2+Y^2);...

約4年 前 | 1 件の回答 | 0