python has matplotlib,. I don t know whether CPP has the same level of drawing library. If you want to achieve the drawing effect of matlab in the MFC framework, you can achieve some simple operations like matlab, such as zooming in and out, coordinate ...
topic description A rookie of matlab programming asks all the great gods to give you an idea to create an entry in the Filter data filter with matlab programming sources of topics and their own ideas there is a raw data on hand, no tags, only numb...
import sympy x em sympy.sin (f) z=r*sympy.sin (l) how to find the Jacobian matrix? xpenr sympy.cos (l) sympy.cos (f) ypenr sympy.cos (l) sympy.sin (f) z=r*sympy.sin (l) ? J = [cos (l) cos (f),-r sin (l) cos (f),-r cos (l) * sin (f)] [c...
Why can t symbolic variables be logarithmic? an is a symbolic variable, and I want to generate another symbolic variable, ln (a), to display an error. But pow (a pencils 4) is OK. Why? ...
how does matlab use one time column matrix [time] to find another 4-column matrix [time, XMagi X] corresponding to row data-the two matrices are not the same length? ...
has already bought a domain name on Aliyun. What should I do next? ...
1 ES6 template string does not work in $.ajax 2 normal code: let title = 1; let info = 2; ${title} 1 ${info} 2 not shown if you put it in $.ajax, code: $.ajax({ type: get , url: xxxxx.json , dataType: "json", ...
problem description A new one is cute. Now when we practice VUE, we will encounter the problem of passing values between pages, using the method of passing values through $router give me a chestnut A page passes this.$router.push ({path: adminM...
A group of pictures that can be dragged with the mouse to change the value of left ((mousedown mousemove mouseup,) double-click one of the pictures to change the Boolean value of its corresponding v-if (to delete the picture), but the view is not u...
when using SourceTree s discard line discard block, have you ever encountered that the committed code still contains undiscarded changes? ...