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当我执行以下 MAXIMA 代码时:
kill(all); depends([trt, trz], [r, t, z])$ eq1 : cos(t)*diff(trz,z) + cos(t)*diff(trt,t) = 0$ limit(eq1, t, 0);
我得到:
如何删除该限制,以便答案是:
我正在使用 Maxima 版本:5.37.2,在 Linux Mint 18.3 下